**Substance:** Nickel ammonium sulfate

**CAS No.:** 15699-18-0

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Nickel ammonium sulfate | 15699-18-0 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel ammonium sulfate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel carbonyl Ni(CO)4, (T-4)-

**CAS No.:** 13463-39-3

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P073

**Regulatory categories:** 4

> Nickel carbonyl Ni(CO)4, (T-4)- | 13463-39-3 | 4 | P073 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel carbonyl Ni(CO)4, (T-4)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel Carbonyl

**CAS No.:** 13463-39-3

**EPCRA TPQ (lbs):** 1

**EPCRA RQ (lbs):** 10

> 13463-39-3 | Nickel Carbonyl | | 10 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nickel Carbonyl — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel cyanide Ni(CN)2

**CAS No.:** 557-19-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P074

**Regulatory categories:** 4

> Nickel cyanide Ni(CN)2 | 557-19-7 | 4 | P074 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel cyanide Ni(CN)2 — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel hydroxide

**CAS No.:** 12054-48-7

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Nickel hydroxide | 12054-48-7 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel hydroxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel III

**CAS No.:** 7440-02-0

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 2

> Nickel III | 7440-02-0 | 2 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel III — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel nitrate

**CAS No.:** 14216-75-2

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Nickel nitrate | 14216-75-2 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel nitrate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nickel sulfate

**CAS No.:** 7786-81-4

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Nickel sulfate | 7786-81-4 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nickel sulfate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nicotine, & salts

**CAS No.:** 54-11-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P075

**Regulatory categories:** 4

> Nicotine, & salts | 54-11-5 | 4 | P075 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nicotine, & salts — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nicotine Sulfate

**CAS No.:** 65-30-5

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 100 | 65-30-5 | Nicotine Sulfate | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nicotine Sulfate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nicotine

**CAS No.:** 54-11-5

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 54-11-5 | Nicotine | b | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nicotine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitric Acid

**CAS No.:** 7697-37-2

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 7697-37-2 | Nitric Acid | | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitric Acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitric acid, thallium (1 +) salt

**CAS No.:** 10102-45-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U217

**Regulatory categories:** 4

> Nitric acid, thallium (1 +) salt | 10102-45-1 | 4 | U217 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitric acid, thallium (1 +) salt — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitric acid

**CAS No.:** 7697-37-2

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Nitric acid | 7697-37-2 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitric acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitric Oxide

**CAS No.:** 10102-43-9

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 10102-43-9 | Nitric Oxide | b | 10 | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitric Oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitric oxide

**CAS No.:** 10102-43-9

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P076

**Regulatory categories:** 4

> Nitric oxide | 10102-43-9 | 4 | P076 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitric oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrobenzene

**CAS No.:** 98-95-3

**EPCRA TPQ (lbs):** 10,000

**EPCRA RQ (lbs):** 1,000

> 98-95-3 | Nitrobenzene | f | 1,000 | 10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitrobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrobenzene

**CAS No.:** 98-95-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U169

**Regulatory categories:** 1,2,3,4

> Nitrobenzene | 98-95-3 | 1,2,3,4 | U169 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Nitrocyclohexane

**CAS No.:** 1122-60-7

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 1122-60-7 | Nitrocyclohexane | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitrocyclohexane — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrogen Dioxide

**CAS No.:** 10102-44-0

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 10102-44-0 | Nitrogen Dioxide | | 10 | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitrogen Dioxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrogen oxide NO

**CAS No.:** 10102-43-9

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P076

**Regulatory categories:** 4

> Nitrogen oxide NO | 10102-43-9 | 4 | P076 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitrogen oxide NO — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitroglycerine

**CAS No.:** 55-63-0

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P081

**Regulatory categories:** 4

> Nitroglycerine | 55-63-0 | 4 | P081 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitroglycerine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrophenol (mixed)

**CAS No.:** 25154-55-6

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Nitrophenol (mixed) | 25154-55-6 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitrophenol (mixed) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrosodimethylamine

**CAS No.:** 62-75-9

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 10

> 10 | 100 | 62-75-9 | Nitrosodimethylamine | d | 10 | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Nitrosodimethylamine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Nitrotoluene

**CAS No.:** 1321-12-6

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Nitrotoluene | 1321-12-6 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Nitrotoluene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Norbormide

**CAS No.:** 991-42-4

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 991-42-4 | Norbormide | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Norbormide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Anisidine

**CAS No.:** 90-04-0

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> o-Anisidine | 90-04-0 | 3 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Anisidine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Chlorophenol

**CAS No.:** 95-57-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U048

**Regulatory categories:** 2,4

> o-Chlorophenol | 95-57-8 | 2,4 | U048 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Chlorophenol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Cresol

**CAS No.:** 95-48-7

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> o-Cresol | 95-48-7 | 3 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Cresol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Dichlorobenzene

**CAS No.:** 95-50-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U070

**Regulatory categories:** 1,2,4

> o-Dichlorobenzene | 95-50-1 | 1,2,4 | U070 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Dichlorobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Dinitrobenzene

**CAS No.:** 528-29-0

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> o-Dinitrobenzene | 528-29-0 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Dinitrobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Nitrophenol

**CAS No.:** 88-75-5

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1,2

> o-Nitrophenol | 88-75-5 | 1,2 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Nitrophenol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Nitrotoluene

**CAS No.:** 88-72-2

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> o-Nitrotoluene | 88-72-2 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Nitrotoluene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** O,O-Diethyl O-pyrazinyl phosphorothioate

**CAS No.:** 297-97-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P040

**Regulatory categories:** 4

> O,O-Diethyl O-pyrazinyl phosphorothioate | 297-97-2 | 4 | P040 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

O,O-Diethyl O-pyrazinyl phosphorothioate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** O,O-Diethyl S-methyl dithiophosphate

**CAS No.:** 3288-58-2

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U087

**Regulatory categories:** 4

> O,O-Diethyl S-methyl dithiophosphate | 3288-58-2 | 4 | U087 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

O,O-Diethyl S-methyl dithiophosphate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Toluidine hydrochloride

**CAS No.:** 636-21-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U222

**Regulatory categories:** 4

> o-Toluidine hydrochloride | 636-21-5 | 4 | U222 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Toluidine hydrochloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Toluidine

**CAS No.:** 95-53-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U328

**Regulatory categories:** 3,4

> o-Toluidine | 95-53-4 | 3,4 | U328 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Toluidine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** o-Xylene

**CAS No.:** 95-47-6

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 3

> o-Xylene | 95-47-6 | 3 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

o-Xylene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Octamethylpyrophosphoramide

**CAS No.:** 152-16-9

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P085

**Regulatory categories:** 4

> Octamethylpyrophosphoramide | 152-16-9 | 4 | P085 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Octamethylpyrophosphoramide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Osmium oxide OsO4, (T-4)-

**CAS No.:** 20816-12-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P087

**Regulatory categories:** 4

> Osmium oxide OsO4, (T-4)- | 20816-12-0 | 4 | P087 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Osmium oxide OsO4, (T-4)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Osmium tetroxide

**CAS No.:** 20816-12-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P087

**Regulatory categories:** 4

> Osmium tetroxide | 20816-12-0 | 4 | P087 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Osmium tetroxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ouabain

**CAS No.:** 630-60-4

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 630-60-4 | Ouabain | b | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Ouabain — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxamyl

**CAS No.:** 23135-22-0

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 23135-22-0 | Oxamyl | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Oxamyl — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxamyl

**CAS No.:** 23135-22-0

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P194

**Regulatory categories:** 4

> Oxamyl | 23135-22-0 | 4 | P194 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Oxetane, 3,3-Bis(Chloromethyl)-

**CAS No.:** 78-71-7

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 78-71-7 | Oxetane, 3,3-Bis(Chloromethyl)- | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Oxetane, 3,3-Bis(Chloromethyl)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxirane, (chloromethyl)-

**CAS No.:** 106-89-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U041

**Regulatory categories:** 1,3,4

> Oxirane, (chloromethyl)- | 106-89-8 | 1,3,4 | U041 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Oxirane, (chloromethyl)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxirane

**CAS No.:** 75-21-8

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U115

**Regulatory categories:** 3,4

> Oxirane | 75-21-8 | 3,4 | U115 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Oxirane — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxiranecarboxyaldehyde

**CAS No.:** 765-34-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U126

**Regulatory categories:** 4

> Oxiranecarboxyaldehyde | 765-34-4 | 4 | U126 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Oxiranecarboxyaldehyde — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Oxydisulfoton

**CAS No.:** 2497-07-6

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 2497-07-6 | Oxydisulfoton |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Oxydisulfoton — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ozone

**CAS No.:** 10028-15-6

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 10028-15-6 | Ozone | | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Ozone — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Chloro-m-cresol

**CAS No.:** 59-50-7

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U039

**Regulatory categories:** 2,4

> p-Chloro-m-cresol | 59-50-7 | 2,4 | U039 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Chloro-m-cresol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Chloroaniline

**CAS No.:** 106-47-8

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P024

**Regulatory categories:** 4

> p-Chloroaniline | 106-47-8 | 4 | P024 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Chloroaniline — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Cresol

**CAS No.:** 106-44-5

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> p-Cresol | 106-44-5 | 3 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Cresol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Dichlorobenzene

**CAS No.:** 106-46-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U072

**Regulatory categories:** 1,2,3,4

> p-Dichlorobenzene | 106-46-7 | 1,2,3,4 | U072 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Dichlorobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Dimethylaminoazobenzene

**CAS No.:** 60-11-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U093

**Regulatory categories:** 3,4

> p-Dimethylaminoazobenzene | 60-11-7 | 3,4 | U093 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Dimethylaminoazobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Dinitrobenzene

**CAS No.:** 100-25-4

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> p-Dinitrobenzene | 100-25-4 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Dinitrobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Nitroaniline

**CAS No.:** 100-01-6

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** P077

**Regulatory categories:** 4

> p-Nitroaniline | 100-01-6 | 4 | P077 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Nitroaniline — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Nitrophenol

**CAS No.:** 100-02-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U170

**Regulatory categories:** 1,2,3,4

> p-Nitrophenol | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Nitrophenol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Nitrotoluene

**CAS No.:** 99-99-0

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> p-Nitrotoluene | 99-99-0 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Nitrotoluene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Phenylenediamine

**CAS No.:** 106-50-3

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 3

> p-Phenylenediamine | 106-50-3 | 3 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Phenylenediamine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Toluidine

**CAS No.:** 106-49-0

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U353

**Regulatory categories:** 4

> p-Toluidine | 106-49-0 | 4 | U353 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Toluidine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** p-Xylene

**CAS No.:** 106-42-3

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> p-Xylene | 106-42-3 | 3 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

p-Xylene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Paraformaldehyde

**CAS No.:** 30525-89-4

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Paraformaldehyde | 30525-89-4 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Paraformaldehyde — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Paraldehyde

**CAS No.:** 123-63-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U182

**Regulatory categories:** 4

> Paraldehyde | 123-63-7 | 4 | U182 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Paraldehyde — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Paraquat Dichloride

**CAS No.:** 1910-42-5

**EPCRA TPQ (lbs):** 10/10,000

**EPCRA RQ (lbs):** 10

> 1910-42-5 | Paraquat Dichloride | | 10 | 10/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Paraquat Dichloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Paraquat Methosulfate

**CAS No.:** 2074-50-2

**EPCRA TPQ (lbs):** 10/10,000

**EPCRA RQ (lbs):** 10

> 10/10,000 | 2074-50-2 | Paraquat Methosulfate |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Paraquat Methosulfate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Parathion

**CAS No.:** 56-38-2

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 56-38-2 | Parathion | b | 10 | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Parathion — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Parathion-Methyl

**CAS No.:** 298-00-0

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 100 | 298-00-0 | Parathion-Methyl | b | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Parathion-Methyl — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Parathion

**CAS No.:** 56-38-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P089

**Regulatory categories:** 1,3,4

> Parathion | 56-38-2 | 1,3,4 | P089 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Paris Green

**CAS No.:** 12002-03-8

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1

> 12002-03-8 | Paris Green | | 1 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Paris Green — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** PCBs

**CAS No.:** 1336-36-3

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1,2,3

> PCBs | 1336-36-3 | 1,2,3 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

PCBs — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** PCNB

**CAS No.:** 82-68-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U185

**Regulatory categories:** 3,4

> PCNB | 82-68-8 | 3,4 | U185 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

PCNB — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentaborane

**CAS No.:** 19624-22-7

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 19624-22-7 | Pentaborane | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pentaborane — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentachlorobenzene

**CAS No.:** 608-93-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U183

**Regulatory categories:** 4

> Pentachlorobenzene | 608-93-5 | 4 | U183 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pentachlorobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentachloroethane

**CAS No.:** 76-01-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U184

**Regulatory categories:** 4

> Pentachloroethane | 76-01-7 | 4 | U184 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pentachloroethane — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentachloronitrobenzene

**CAS No.:** 82-68-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U185

**Regulatory categories:** 3,4

> Pentachloronitrobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pentachloronitrobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentachlorophenol

**CAS No.:** 87-86-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** See F027

**Regulatory categories:** 1,2,3,4

> Pentachlorophenol | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pentachlorophenol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pentadecylamine

**CAS No.:** 2570-26-5

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 2570-26-5 | Pentadecylamine | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pentadecylamine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Peracetic Acid

**CAS No.:** 79-21-0

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 79-21-0 | Peracetic Acid | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Peracetic Acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Perchloroethylene

**CAS No.:** 127-18-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U210

**Regulatory categories:** 2,3,4

> Perchloroethylene | 127-18-4 | 2,3,4 | U210 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Perchloroethylene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Perchloromethylmercaptan

**CAS No.:** 594-42-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 100

> 500 | 594-42-3 | Perchloromethylmercaptan | | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Perchloromethylmercaptan — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Perfluorooctanesulfonic acid v

**CAS No.:** 1763-23-1

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 5

> Perfluorooctanesulfonic acid v | 1763-23-1 | 5 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Perfluorooctanesulfonic acid v — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Perfluorooctanoic acid v

**CAS No.:** 335-67-1

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 5

> Perfluorooctanoic acid v | 335-67-1 | 5 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Perfluorooctanoic acid v — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenacetin

**CAS No.:** 62-44-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U187

**Regulatory categories:** 4

> Phenacetin | 62-44-2 | 4 | U187 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenacetin — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenanthrene

**CAS No.:** 85-01-8

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 2

> Phenanthrene | 85-01-8 | 2 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenanthrene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-(1-methylethoxy)-, methylcarbamate

**CAS No.:** 114-26-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U411

**Regulatory categories:** 3,4

> Phenol, 2-(1-methylethoxy)-, methylcarbamate | 114-26-1 | 3,4 | U411 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-(1-methylethoxy)-, methylcarbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-(1-methylpropyl)-4,6-dinitro-

**CAS No.:** 88-85-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P020

**Regulatory categories:** 4

> Phenol, 2-(1-methylpropyl)-4,6-dinitro- | 88-85-7 | 4 | P020 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-(1-methylpropyl)-4,6-dinitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,2′-methylenebis[3,4,6- trichloro-

**CAS No.:** 70-30-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U132

**Regulatory categories:** 4

> Phenol, 2,2′-methylenebis[3,4,6- trichloro- | 70-30-4 | 4 | U132 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,2′-methylenebis[3,4,6- trichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,2′-Thiobis(4-Chloro-6-Methyl)-

**CAS No.:** 4418-66-0

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 4418-66-0 | Phenol, 2,2′-Thiobis(4-Chloro-6-Methyl)- | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenol, 2,2′-Thiobis(4-Chloro-6-Methyl)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,3,4,6-tetrachloro-

**CAS No.:** 58-90-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** See F027

**Regulatory categories:** 4

> Phenol, 2,3,4,6-tetrachloro- | 58-90-2 | 4 | See F027 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,3,4,6-tetrachloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4,5-trichloro-

**CAS No.:** 95-95-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** See F027

**Regulatory categories:** 1,3,4

> Phenol, 2,4,5-trichloro- | 95-95-4 | 1,3,4 | See F027 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4,5-trichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4,6-trichloro-

**CAS No.:** 88-06-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** See F027

**Regulatory categories:** 1,2,3,4

> Phenol, 2,4,6-trichloro- | 88-06-2 | 1,2,3,4 | See F027 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4,6-trichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4,6-trinitro-, ammonium salt

**CAS No.:** 131-74-8

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P009

**Regulatory categories:** 4

> Phenol, 2,4,6-trinitro-, ammonium salt | 131-74-8 | 4 | P009 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4,6-trinitro-, ammonium salt — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4-dichloro-

**CAS No.:** 120-83-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U081

**Regulatory categories:** 2,4

> Phenol, 2,4-dichloro- | 120-83-2 | 2,4 | U081 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4-dichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4-dimethyl-

**CAS No.:** 105-67-9

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U101

**Regulatory categories:** 2,4

> Phenol, 2,4-dimethyl- | 105-67-9 | 2,4 | U101 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4-dimethyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,4-dinitro-

**CAS No.:** 51-28-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P048

**Regulatory categories:** 1,2,3,4

> Phenol, 2,4-dinitro- | 51-28-5 | 1,2,3,4 | P048 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,4-dinitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2,6-dichloro-

**CAS No.:** 87-65-0

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U082

**Regulatory categories:** 4

> Phenol, 2,6-dichloro- | 87-65-0 | 4 | U082 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2,6-dichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-chloro-

**CAS No.:** 95-57-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U048

**Regulatory categories:** 2,4

> Phenol, 2-chloro- | 95-57-8 | 2,4 | U048 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-cyclohexyl-4,6-dinitro-

**CAS No.:** 131-89-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P034

**Regulatory categories:** 4

> Phenol, 2-cyclohexyl-4,6-dinitro- | 131-89-5 | 4 | P034 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-cyclohexyl-4,6-dinitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-methyl-4,6-dinitro-, & salts

**CAS No.:** 534-52-1

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P047

**Regulatory categories:** 3,4

> Phenol, 2-methyl-4,6-dinitro-, & salts | 534-52-1 | 3,4 | P047 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-methyl-4,6-dinitro-, & salts — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 2-methyl-4,6-dinitro-

**CAS No.:** 534-52-1

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P047

**Regulatory categories:** 2,3,4

> Phenol, 2-methyl-4,6-dinitro- | 534-52-1 | 2,3,4 | P047 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 2-methyl-4,6-dinitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol

**CAS No.:** 108-95-2

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1,000

> 108-95-2 | Phenol | | 1,000 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 3-(1-methylethyl)-, methyl carbamate

**CAS No.:** 64-00-6

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P202

**Regulatory categories:** 4

> Phenol, 3-(1-methylethyl)-, methyl carbamate | 64-00-6 | 4 | P202 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 3-(1-methylethyl)-, methyl carbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 3-(1-Methylethyl)-, Methylcarbamate

**CAS No.:** 64-00-6

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 10

> 100/10,000 | 64-00-6 | Phenol, 3-(1-Methylethyl)-, Methylcarbamate | | 10 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenol, 3-(1-Methylethyl)-, Methylcarbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate

**CAS No.:** 2032-65-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P199

**Regulatory categories:** 1,4

> Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate | 2032-65-7 | 1,4 | P199 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, (3,5-dimethyl-4-(methylthio)-, methylcarbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate

**CAS No.:** 2631-37-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P201

**Regulatory categories:** 4

> Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate | 2631-37-0 | 4 | P201 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 3-methyl-5-(1-methylethyl)-, methyl carbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E)

**CAS No.:** 56-53-1

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U089

**Regulatory categories:** 4

> Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E) | 56-53-1 | 4 | U089 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 4,4′-(1,2-diethyl-1,2-ethenediyl)bis-, (E) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 4-chloro-3-methyl-

**CAS No.:** 59-50-7

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U039

**Regulatory categories:** 2,4

> Phenol, 4-chloro-3-methyl- | 59-50-7 | 2,4 | U039 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 4-chloro-3-methyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester)

**CAS No.:** 315-18-4

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P128

**Regulatory categories:** 1,4

> Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) | 315-18-4 | 1,4 | P128 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 4-(dimethylamino)-3,5-dimethyl-, 4 methylcarbamate (ester) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, 4-nitro-

**CAS No.:** 100-02-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U170

**Regulatory categories:** 1,2,3,4

> Phenol, 4-nitro- | 100-02-7 | 1,2,3,4 | U170 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, 4-nitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, methyl-

**CAS No.:** 1319-77-3

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U052

**Regulatory categories:** 1,3,4

> Phenol, methyl- | 1319-77-3 | 1,3,4 | U052 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, methyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol, pentachloro-

**CAS No.:** 87-86-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** See F027

**Regulatory categories:** 1,2,3,4

> Phenol, pentachloro- | 87-86-5 | 1,2,3,4 | See F027 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenol, pentachloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenol

**CAS No.:** 108-95-2

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U188

**Regulatory categories:** 1,2,3,4

> Phenol | 108-95-2 | 1,2,3,4 | U188 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phenoxarsine, 10,10′-Oxydi-

**CAS No.:** 58-36-6

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 500

> 500/10,000 | 58-36-6 | Phenoxarsine, 10,10′-Oxydi- |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenoxarsine, 10,10′-Oxydi- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenyl Dichloroarsine

**CAS No.:** 696-28-6

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1

> 500/10,000 | 696-28-6 | Phenyl Dichloroarsine |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenyl Dichloroarsine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylhydrazine Hydrochloride

**CAS No.:** 59-88-1

**EPCRA TPQ (lbs):** 1,000/10,000

**EPCRA RQ (lbs):** 1,000

> 59-88-1 | Phenylhydrazine Hydrochloride | | 1,000 | 1,000/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenylhydrazine Hydrochloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylmercury Acetate

**CAS No.:** 62-38-4

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 100

> 62-38-4 | Phenylmercury Acetate | | 100 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenylmercury Acetate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylmercury acetate

**CAS No.:** 62-38-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P092

**Regulatory categories:** 4

> Phenylmercury acetate | 62-38-4 | 4 | P092 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phenylmercury acetate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylsilatrane

**CAS No.:** 2097-19-0

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 2097-19-0 | Phenylsilatrane | d | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenylsilatrane — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylthiourea

**CAS No.:** 103-85-5

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 100/10,000 | 103-85-5 | Phenylthiourea | | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phenylthiourea — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phenylthiourea

**CAS No.:** 103-85-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P093

**Regulatory categories:** 4

> Phenylthiourea | 103-85-5 | 4 | P093 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phorate

**CAS No.:** 298-02-2

**EPCRA TPQ (lbs):** 10

**EPCRA RQ (lbs):** 10

> 298-02-2 | Phorate | | 10 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phorate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phorate

**CAS No.:** 298-02-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P094

**Regulatory categories:** 4

> Phorate | 298-02-2 | 4 | P094 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phosacetim

**CAS No.:** 4104-14-7

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 4104-14-7 | Phosacetim | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosacetim — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosfolan

**CAS No.:** 947-02-4

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 947-02-4 | Phosfolan | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosfolan — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosgene

**CAS No.:** 75-44-5

**EPCRA TPQ (lbs):** 10

**EPCRA RQ (lbs):** 10

> 75-44-5 | Phosgene | f | 10 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosgene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosgene

**CAS No.:** 75-44-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P095

**Regulatory categories:** 1,3,4

> Phosgene | 75-44-5 | 1,3,4 | P095 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phosphamidon

**CAS No.:** 13171-21-6

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 13171-21-6 | Phosphamidon | | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphamidon — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphine

**CAS No.:** 7803-51-2

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 100

> 7803-51-2 | Phosphine | | 100 | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphine

**CAS No.:** 7803-51-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P096

**Regulatory categories:** 3,4

> Phosphine | 7803-51-2 | 3,4 | P096 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester

**CAS No.:** 2665-30-7

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 2665-30-7 | Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphonothioic Acid, Methyl-, O-(4-Nitrophenyl) O-Phenyl Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester

**CAS No.:** 2703-13-1

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 2703-13-1 | Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphonothioic Acid, Methyl-, O-Ethyl O-(4-(Methylthio) Phenyl) Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester

**CAS No.:** 50782-69-9

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 50782-69-9 | Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester | | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphonothioic Acid, Methyl-, S-(2-(Bis(1Methylethyl)Amino)Ethyl) O-Ethyl Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphoric acid, diethyl 4-nitrophenyl ester

**CAS No.:** 311-45-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P041

**Regulatory categories:** 4

> Phosphoric acid, diethyl 4-nitrophenyl ester | 311-45-5 | 4 | P041 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphoric acid, diethyl 4-nitrophenyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester

**CAS No.:** 3254-63-5

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 3254-63-5 | Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphoric Acid, Dimethyl 4-(Methylthio)Phenyl Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphoric acid, lead(2 +) salt (2:3)

**CAS No.:** 7446-27-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U145

**Regulatory categories:** 4

> Phosphoric acid, lead(2 +) salt (2:3) | 7446-27-7 | 4 | U145 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphoric acid, lead(2 +) salt (2:3) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphoric acid

**CAS No.:** 7664-38-2

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Phosphoric acid | 7664-38-2 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphoric acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester

**CAS No.:** 298-04-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P039

**Regulatory categories:** 1,4

> Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester | 298-04-4 | 1,4 | P039 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorodithioic acid, O,O-diethyl S-[2-(ethylthio)ethyl] ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester

**CAS No.:** 298-02-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P094

**Regulatory categories:** 4

> Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester | 298-02-2 | 4 | P094 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorodithioic acid, O,O-diethyl S-[(ethylthio)methyl] ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorodithioic acid, O,O-diethyl S-methyl ester

**CAS No.:** 3288-58-2

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U087

**Regulatory categories:** 4

> Phosphorodithioic acid, O,O-diethyl S-methyl ester | 3288-58-2 | 4 | U087 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorodithioic acid, O,O-diethyl S-methyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester

**CAS No.:** 60-51-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P044

**Regulatory categories:** 4

> Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester | 60-51-5 | 4 | P044 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorodithioic acid, O,O-dimethyl S-[2(methylamino)-2-oxoethyl] ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorofluoridic acid, bis(1-methylethyl) ester

**CAS No.:** 55-91-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P043

**Regulatory categories:** 4

> Phosphorofluoridic acid, bis(1-methylethyl) ester | 55-91-4 | 4 | P043 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorofluoridic acid, bis(1-methylethyl) ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester

**CAS No.:** 52-85-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P097

**Regulatory categories:** 4

> Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester | 52-85-7 | 4 | P097 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorothioic acid, O-[4-[(dimethylamino) sulfonyl]phenyl] O,O-dimethyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester

**CAS No.:** 56-38-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P089

**Regulatory categories:** 1,3,4

> Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester | 56-38-2 | 1,3,4 | P089 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorothioic acid, O,O-diethyl O-(4-nitrophenyl) ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester

**CAS No.:** 297-97-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P040

**Regulatory categories:** 4

> Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester | 297-97-2 | 4 | P040 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorothioic acid, O,O-diethyl O-pyrazinyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester

**CAS No.:** 298-00-0

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P071

**Regulatory categories:** 1,4

> Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester | 298-00-0 | 1,4 | P071 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorothioic acid, O,O-dimethyl O-(4-nitrophenyl) ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester

**CAS No.:** 2587-90-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 2587-90-8 | Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphorothioic Acid, O,O-Dimethyl-S-(2-Methylthio) Ethyl Ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus

**CAS No.:** 7723-14-0

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 1

> 7723-14-0 | Phosphorus | a, d | 1 | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphorus — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus Oxychloride

**CAS No.:** 10025-87-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1,000

> 10025-87-3 | Phosphorus Oxychloride | | 1,000 | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphorus Oxychloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus oxychloride

**CAS No.:** 10025-87-3

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Phosphorus oxychloride | 10025-87-3 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorus oxychloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus Pentachloride

**CAS No.:** 10026-13-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 10026-13-8 | Phosphorus Pentachloride |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphorus Pentachloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus pentasulfide

**CAS No.:** 1314-80-3

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U189

**Regulatory categories:** 1,4

> Phosphorus pentasulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorus pentasulfide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus sulfide

**CAS No.:** 1314-80-3

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U189

**Regulatory categories:** 1,4

> Phosphorus sulfide | 1314-80-3 | 1,4 | U189 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorus sulfide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus Trichloride

**CAS No.:** 7719-12-2

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 7719-12-2 | Phosphorus Trichloride | | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Phosphorus Trichloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus trichloride

**CAS No.:** 7719-12-2

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Phosphorus trichloride | 7719-12-2 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phosphorus trichloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Phosphorus

**CAS No.:** 7723-14-0

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1,3

> Phosphorus | 7723-14-0 | 1,3 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Phthalic anhydride

**CAS No.:** 85-44-9

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U190

**Regulatory categories:** 3,4

> Phthalic anhydride | 85-44-9 | 3,4 | U190 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Phthalic anhydride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Physostigmine

**CAS No.:** 57-47-6

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 57-47-6 | Physostigmine | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Physostigmine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Physostigmine, Salicylate (1:1)

**CAS No.:** 57-64-7

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 100/10,000 | 57-64-7 | Physostigmine, Salicylate (1:1) |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Physostigmine, Salicylate (1:1) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Physostigmine salicylate

**CAS No.:** 57-64-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P188

**Regulatory categories:** 4

> Physostigmine salicylate | 57-64-7 | 4 | P188 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Physostigmine salicylate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Physostigmine

**CAS No.:** 57-47-6

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P204

**Regulatory categories:** 4

> Physostigmine | 57-47-6 | 4 | P204 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Picrotoxin

**CAS No.:** 124-87-8

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 500

> 124-87-8 | Picrotoxin | | 500 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Picrotoxin — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Piperidine, 1-nitroso-

**CAS No.:** 100-75-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U179

**Regulatory categories:** 4

> Piperidine, 1-nitroso- | 100-75-4 | 4 | U179 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Piperidine, 1-nitroso- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Piperidine

**CAS No.:** 110-89-4

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 110-89-4 | Piperidine | | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Piperidine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pirimifos-Ethyl

**CAS No.:** 23505-41-1

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 23505-41-1 | Pirimifos-Ethyl | | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pirimifos-Ethyl — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Plumbane, tetraethyl-

**CAS No.:** 78-00-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P110

**Regulatory categories:** 1,4

> Plumbane, tetraethyl- | 78-00-2 | 1,4 | P110 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Plumbane, tetraethyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** POLYCHLORINATED BIPHENYLS

**CAS No.:** 1336-36-3

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1,2,3

> POLYCHLORINATED BIPHENYLS | 1336-36-3 | 1,2,3 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

POLYCHLORINATED BIPHENYLS — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium arsenate

**CAS No.:** 7784-41-0

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Potassium arsenate | 7784-41-0 | 1 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium arsenate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium Arsenite

**CAS No.:** 10124-50-2

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1

> 10124-50-2 | Potassium Arsenite | | 1 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Potassium Arsenite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium arsenite

**CAS No.:** 10124-50-2

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Potassium arsenite | 10124-50-2 | 1 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium arsenite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium bichromate

**CAS No.:** 7778-50-9

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Potassium bichromate | 7778-50-9 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium bichromate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium chromate

**CAS No.:** 7789-00-6

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Potassium chromate | 7789-00-6 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium chromate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium cyanide K(CN)

**CAS No.:** 151-50-8

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P098

**Regulatory categories:** 1,4

> Potassium cyanide K(CN) | 151-50-8 | 1,4 | P098 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium cyanide K(CN) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium Cyanide

**CAS No.:** 151-50-8

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 500/10,000 | 151-50-8 | Potassium Cyanide | a | 10 | 100 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Potassium Cyanide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium hydroxide

**CAS No.:** 1310-58-3

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Potassium hydroxide | 1310-58-3 | 1 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium hydroxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium permanganate

**CAS No.:** 7722-64-7

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Potassium permanganate | 7722-64-7 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium permanganate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium Silver Cyanide

**CAS No.:** 506-61-6

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1

> 506-61-6 | Potassium Silver Cyanide | a | 1 | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Potassium Silver Cyanide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Potassium silver cyanide

**CAS No.:** 506-61-6

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P099

**Regulatory categories:** 4

> Potassium silver cyanide | 506-61-6 | 4 | P099 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Potassium silver cyanide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Promecarb

**CAS No.:** 2631-37-0

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1,000

> 2631-37-0 | Promecarb | d | 1,000 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Promecarb — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Promecarb

**CAS No.:** 2631-37-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P201

**Regulatory categories:** 4

> Promecarb | 2631-37-0 | 4 | P201 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Pronamide

**CAS No.:** 23950-58-5

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U192

**Regulatory categories:** 4

> Pronamide | 23950-58-5 | 4 | U192 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pronamide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime

**CAS No.:** 1646-88-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P203

**Regulatory categories:** 4

> Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime | 1646-88-4 | 4 | P203 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanal, 2-methyl-2-(methyl- sulfonyl)-, O-[(methylamino)carbonyl] oxime — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime

**CAS No.:** 116-06-3

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P070

**Regulatory categories:** 4

> Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime | 116-06-3 | 4 | P070 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanal, 2-methyl-2-(methylthio)-, O-[(methylamino)carbonyl]oxime — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propane, 1,2-dibromo-3-chloro-

**CAS No.:** 96-12-8

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U066

**Regulatory categories:** 3,4

> Propane, 1,2-dibromo-3-chloro- | 96-12-8 | 3,4 | U066 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propane, 1,2-dibromo-3-chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propane, 1,2-dichloro-

**CAS No.:** 78-87-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U083

**Regulatory categories:** 1,2,3,4

> Propane, 1,2-dichloro- | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propane, 1,2-dichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propane, 2,2′-oxybis[2-chloro-

**CAS No.:** 108-60-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U027

**Regulatory categories:** 2,4

> Propane, 2,2′-oxybis[2-chloro- | 108-60-1 | 2,4 | U027 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propane, 2,2′-oxybis[2-chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propane, 2-nitro-

**CAS No.:** 79-46-9

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U171

**Regulatory categories:** 3,4

> Propane, 2-nitro- | 79-46-9 | 3,4 | U171 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propane, 2-nitro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanedinitrile

**CAS No.:** 109-77-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U149

**Regulatory categories:** 4

> Propanedinitrile | 109-77-3 | 4 | U149 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanedinitrile — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanenitrile, 2-hydroxy-2-methyl-

**CAS No.:** 75-86-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P069

**Regulatory categories:** 1,4

> Propanenitrile, 2-hydroxy-2-methyl- | 75-86-5 | 1,4 | P069 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanenitrile, 2-hydroxy-2-methyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanenitrile, 3-chloro-

**CAS No.:** 542-76-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P027

**Regulatory categories:** 4

> Propanenitrile, 3-chloro- | 542-76-7 | 4 | P027 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanenitrile, 3-chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanenitrile

**CAS No.:** 107-12-0

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P101

**Regulatory categories:** 4

> Propanenitrile | 107-12-0 | 4 | P101 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanenitrile — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propanoic acid, 2-(2,4,5-trichlorophenoxy)-

**CAS No.:** 93-72-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** See F027

**Regulatory categories:** 1,4

> Propanoic acid, 2-(2,4,5-trichlorophenoxy)- | 93-72-1 | 1,4 | See F027 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propanoic acid, 2-(2,4,5-trichlorophenoxy)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propargite

**CAS No.:** 2312-35-8

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Propargite | 2312-35-8 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propargite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propargyl alcohol

**CAS No.:** 107-19-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P102

**Regulatory categories:** 4

> Propargyl alcohol | 107-19-7 | 4 | P102 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propargyl alcohol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propargyl Bromide

**CAS No.:** 106-96-7

**EPCRA TPQ (lbs):** 10

**EPCRA RQ (lbs):** 10

> 500/10,000 | 106-96-7 | Propargyl Bromide |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propargyl Bromide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propham

**CAS No.:** 122-42-9

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U373

**Regulatory categories:** 4

> Propham | 122-42-9 | 4 | U373 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propham — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propiolactone, Beta-

**CAS No.:** 57-57-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 10

> 10 | 57-57-8 | Propiolactone, Beta- | | 10 | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propiolactone, Beta- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propionaldehyde

**CAS No.:** 123-38-6

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 3

> Propionaldehyde | 123-38-6 | 3 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propionaldehyde — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propionic acid

**CAS No.:** 79-09-4

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Propionic acid | 79-09-4 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propionic acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propionic anhydride

**CAS No.:** 123-62-6

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Propionic anhydride | 123-62-6 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propionic anhydride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propionitrile, 3-Chloro-

**CAS No.:** 542-76-7

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 542-76-7 | Propionitrile, 3-Chloro- | | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propionitrile, 3-Chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propionitrile

**CAS No.:** 107-12-0

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 10

> 500 | 107-12-0 | Propionitrile | | 10 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propionitrile — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propiophenone, 4-Amino-

**CAS No.:** 70-69-9

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 70-69-9 | Propiophenone, 4-Amino- | c | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propiophenone, 4-Amino- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propoxur (Baygon)

**CAS No.:** 114-26-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U411

**Regulatory categories:** 3,4

> Propoxur (Baygon) | 114-26-1 | 3,4 | U411 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propoxur (Baygon) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propyl Chloroformate

**CAS No.:** 109-61-5

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 109-61-5 | Propyl Chloroformate | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propyl Chloroformate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propylene dichloride

**CAS No.:** 78-87-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U083

**Regulatory categories:** 1,2,3,4

> Propylene dichloride | 78-87-5 | 1,2,3,4 | U083 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propylene dichloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propylene Oxide

**CAS No.:** 75-56-9

**EPCRA TPQ (lbs):** 10,000

**EPCRA RQ (lbs):** 100

> 75-56-9 | Propylene Oxide | f | 100 | 10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propylene Oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propylene oxide

**CAS No.:** 75-56-9

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1,3

> Propylene oxide | 75-56-9 | 1,3 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Propylene oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Propyleneimine

**CAS No.:** 75-55-8

**EPCRA TPQ (lbs):** 10,000

**EPCRA RQ (lbs):** 1

> 10,000 | 75-55-8 | Propyleneimine |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Propyleneimine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Prosulfocarb

**CAS No.:** 52888-80-9

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U387

**Regulatory categories:** 4

> Prosulfocarb | 52888-80-9 | 4 | U387 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Prosulfocarb — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Prothoate

**CAS No.:** 2275-18-5

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 2275-18-5 | Prothoate | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Prothoate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyrene

**CAS No.:** 129-00-0

**EPCRA TPQ (lbs):** 1,000/10,000

**EPCRA RQ (lbs):** 5,000

> 129-00-0 | Pyrene | b | 5,000 | 1,000/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pyrene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyrene

**CAS No.:** 129-00-0

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 2

> Pyrene | 129-00-0 | 2 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>


**Substance:** Pyridine, 2-Methyl-5-Vinyl-

**CAS No.:** 140-76-1

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 140-76-1 | Pyridine, 2-Methyl-5-Vinyl- | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pyridine, 2-Methyl-5-Vinyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyridine, 2-methyl-

**CAS No.:** 109-06-8

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U191

**Regulatory categories:** 4

> Pyridine, 2-methyl- | 109-06-8 | 4 | U191 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pyridine, 2-methyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts

**CAS No.:** 54-11-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P075

**Regulatory categories:** 4

> Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts | 54-11-5 | 4 | P075 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pyridine, 3-(1-methyl-2-pyrrolidinyl)-, (S)-, & salts — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyridine, 4-Amino-

**CAS No.:** 504-24-5

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1,000

> 504-24-5 | Pyridine, 4-Amino- | d | 1,000 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pyridine, 4-Amino- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyridine, 4-Nitro-,l-Oxide

**CAS No.:** 1124-33-0

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 500

> 500/10,000 | 1124-33-0 | Pyridine, 4-Nitro-,l-Oxide |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pyridine, 4-Nitro-,l-Oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyridine

**CAS No.:** 110-86-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U196

**Regulatory categories:** 4

> Pyridine | 110-86-1 | 4 | U196 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pyridine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyriminil

**CAS No.:** 53558-25-1

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 53558-25-1 | Pyriminil | d | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Pyriminil — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyrrolidine, 1-nitroso-

**CAS No.:** 930-55-2

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U180

**Regulatory categories:** 4

> Pyrrolidine, 1-nitroso- | 930-55-2 | 4 | U180 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pyrrolidine, 1-nitroso- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)-

**CAS No.:** 57-47-6

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P204

**Regulatory categories:** 4

> Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- | 57-47-6 | 4 | P204 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Pyrrolo[2,3-b]indol-5-ol, 1,2,3,3a,8,8a- hexahydro-1,3a,8-trimethyl-, methylcarbamate (ester), (3aS-cis)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Quinoline

**CAS No.:** 91-22-5

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1,3

> Quinoline | 91-22-5 | 1,3 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Quinoline — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Quinone

**CAS No.:** 106-51-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U197

**Regulatory categories:** 3,4

> Quinone | 106-51-4 | 3,4 | U197 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Quinone — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Quintobenzene

**CAS No.:** 82-68-8

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U185

**Regulatory categories:** 3,4

> Quintobenzene | 82-68-8 | 3,4 | U185 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Quintobenzene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Reserpine

**CAS No.:** 50-55-5

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U200

**Regulatory categories:** 4

> Reserpine | 50-55-5 | 4 | U200 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Reserpine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Resorcinol

**CAS No.:** 108-46-3

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U201

**Regulatory categories:** 1,4

> Resorcinol | 108-46-3 | 1,4 | U201 | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Resorcinol — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Safrole

**CAS No.:** 94-59-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U203

**Regulatory categories:** 4

> Safrole | 94-59-7 | 4 | U203 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Safrole — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Salcomine

**CAS No.:** 14167-18-1

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 500

> 14167-18-1 | Salcomine | | 500 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Salcomine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sarin

**CAS No.:** 107-44-8

**EPCRA TPQ (lbs):** 10

**EPCRA RQ (lbs):** 10

> 107-44-8 | Sarin | d | 10 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Sarin — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** sec-Amyl acetate

**CAS No.:** 626-38-0

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> sec-Amyl acetate | 626-38-0 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

sec-Amyl acetate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** sec-Butyl acetate

**CAS No.:** 105-46-4

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> sec-Butyl acetate | 105-46-4 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

sec-Butyl acetate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenious Acid

**CAS No.:** 7783-00-8

**EPCRA TPQ (lbs):** 1,000/10,000

**EPCRA RQ (lbs):** 10

> 10 | 7783-00-8 | Selenious Acid | | 10 | 1,000/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Selenious Acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenious acid, dithallium (1 +) salt

**CAS No.:** 12039-52-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P114

**Regulatory categories:** 4

> Selenious acid, dithallium (1 +) salt | 12039-52-0 | 4 | P114 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenious acid, dithallium (1 +) salt — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenious acid

**CAS No.:** 7783-00-8

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U204

**Regulatory categories:** 4

> Selenious acid | 7783-00-8 | 4 | U204 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenious acid — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenium dioxide

**CAS No.:** 7746-08-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U204

**Regulatory categories:** 1,4

> Selenium dioxide | 7746-08-4 | 1,4 | U204 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenium dioxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenium III

**CAS No.:** 7782-49-2

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 2

> Selenium III | 7782-49-2 | 2 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenium III — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenium oxide

**CAS No.:** 7746-08-4

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Selenium oxide | 7746-08-4 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenium oxide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenium Oxychloride

**CAS No.:** 7791-23-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 7791-23-3 | Selenium Oxychloride | | 500 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Selenium Oxychloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenium sulfide SeS2

**CAS No.:** 7488-56-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U205

**Regulatory categories:** 4

> Selenium sulfide SeS2 | 7488-56-4 | 4 | U205 | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenium sulfide SeS2 — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Selenourea

**CAS No.:** 630-10-4

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P103

**Regulatory categories:** 4

> Selenourea | 630-10-4 | 4 | P103 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Selenourea — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Semicarbazide Hydrochloride

**CAS No.:** 563-41-7

**EPCRA TPQ (lbs):** 1,000/10,000

**EPCRA RQ (lbs):** 1,000

> 563-41-7 | Semicarbazide Hydrochloride | | 1,000 | 1,000/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Semicarbazide Hydrochloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Silane, (4-Aminobutyl)Diethoxymethyl-

**CAS No.:** 3037-72-7

**EPCRA TPQ (lbs):** 1,000

**EPCRA RQ (lbs):** 1,000

> 1,000/10,000 | 3037-72-7 | Silane, (4-Aminobutyl)Diethoxymethyl- |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Silane, (4-Aminobutyl)Diethoxymethyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Silver cyanide Ag(CN)

**CAS No.:** 506-64-9

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P104

**Regulatory categories:** 4

> Silver cyanide Ag(CN) | 506-64-9 | 4 | P104 | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Silver cyanide Ag(CN) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Silver III

**CAS No.:** 7440-22-4

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 2

> Silver III | 7440-22-4 | 2 | | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Silver III — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Silver nitrate

**CAS No.:** 7761-88-8

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Silver nitrate | 7761-88-8 | 1 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Silver nitrate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Silvex (2,4,5-TP)

**CAS No.:** 93-72-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** See F027

**Regulatory categories:** 1,4

> Silvex (2,4,5-TP) | 93-72-1 | 1,4 | See F027 | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Silvex (2,4,5-TP) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium Arsenate

**CAS No.:** 7631-89-2

**EPCRA TPQ (lbs):** 1,000/10,000

**EPCRA RQ (lbs):** 1

> 7631-89-2 | Sodium Arsenate | | 1 | 1,000/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Sodium Arsenate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium arsenate

**CAS No.:** 7631-89-2

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Sodium arsenate | 7631-89-2 | 1 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium arsenate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium Arsenite

**CAS No.:** 7784-46-5

**EPCRA TPQ (lbs):** 500/10,000

**EPCRA RQ (lbs):** 1

> 7784-46-5 | Sodium Arsenite | | 1 | 500/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Sodium Arsenite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium arsenite

**CAS No.:** 7784-46-5

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Sodium arsenite | 7784-46-5 | 1 | | 1 (0.454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium arsenite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium Azide (Na(N 3 ))

**CAS No.:** 26628-22-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1,000

> 500/10,000 | 26628-22-8 | Sodium Azide (Na(N 3 )) | a | 1,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Sodium Azide (Na(N 3 )) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium azide

**CAS No.:** 26628-22-8

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P105

**Regulatory categories:** 4

> Sodium azide | 26628-22-8 | 4 | P105 | 1000 (454)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium azide — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium bichromate

**CAS No.:** 10588-01-9

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Sodium bichromate | 10588-01-9 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium bichromate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium bifluoride

**CAS No.:** 1333-83-1

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Sodium bifluoride | 1333-83-1 | 1 | | 100 (45.4)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium bifluoride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium bisulfite

**CAS No.:** 7631-90-5

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Sodium bisulfite | 7631-90-5 | 1 | | 5000 (2270)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium bisulfite — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium Cacodylate

**CAS No.:** 124-65-2

**EPCRA TPQ (lbs):** 100/10,000

**EPCRA RQ (lbs):** 100

> 124-65-2 | Sodium Cacodylate | | 100 | 100/10,000 |

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-355>

Sodium Cacodylate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Sodium chromate

**CAS No.:** 7775-11-3

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Sodium chromate | 7775-11-3 | 1 | | 10 (4.54)

Source: <https://www.ecfr.gov/current/title-40/chapter-I/subchapter-J/part-302/section-302.4>

Sodium chromate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)