**Substance:** Chlorfenvinfos

**CAS No.:** 470-90-6

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 470-90-6 | Chlorfenvinfos | | 500 |

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

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


**Substance:** Chlorinated camphene

**CAS No.:** 8001-35-2

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P123

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

> Chlorinated camphene | 8001-35-2 | 1,2,3,4 | P123 | 1 (0.454)

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

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


**Substance:** Chlorine

**CAS No.:** 7782-50-5

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 7782-50-5 | Chlorine | | 10 | 100 |

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

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


**Substance:** Chlorine

**CAS No.:** 7782-50-5

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1,3

> Chlorine | 7782-50-5 | 1,3 | | 10 (4.54)

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


**Substance:** Chlormephos

**CAS No.:** 24934-91-6

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 24934-91-6 | Chlormephos | | 500 |

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

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


**Substance:** Chlormequat Chloride

**CAS No.:** 999-81-5

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

**EPCRA RQ (lbs):** 100

> 999-81-5 | Chlormequat Chloride | d | 100 | 100/10,000 |

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

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


**Substance:** Chlornaphazine

**CAS No.:** 494-03-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U026

**Regulatory categories:** 4

> Chlornaphazine | 494-03-1 | 4 | U026 | 100 (45.4)

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

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


**Substance:** Chloroacetaldehyde

**CAS No.:** 107-20-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P023

**Regulatory categories:** 4

> Chloroacetaldehyde | 107-20-0 | 4 | P023 | 1000 (454)

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

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


**Substance:** Chloroacetic Acid

**CAS No.:** 79-11-8

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

**EPCRA RQ (lbs):** 100

> 100/10,000 | 79-11-8 | Chloroacetic Acid | | 100 |

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

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


**Substance:** Chloroacetic acid

**CAS No.:** 79-11-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Chloroacetic acid | 79-11-8 | 3 | | 100 (45.4)

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

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


**Substance:** Chlorobenzene

**CAS No.:** 108-90-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U037

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

> Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)

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

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


**Substance:** Chlorobenzilate

**CAS No.:** 510-15-6

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U038

**Regulatory categories:** 3,4

> Chlorobenzilate | 510-15-6 | 3,4 | U038 | 10 (4.54)

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

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


**Substance:** Chlorodibromomethane

**CAS No.:** 124-48-1

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 2

> Chlorodibromomethane | 124-48-1 | 2 | | 100 (45.4)

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

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


**Substance:** Chloroethane

**CAS No.:** 75-00-3

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 2,3

> Chloroethane | 75-00-3 | 2,3 | | 100 (45.4)

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

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


**Substance:** Chloroethanol

**CAS No.:** 107-07-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 107-07-3 | Chloroethanol | | 500 |

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

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


**Substance:** Chloroethyl Chloroformate

**CAS No.:** 627-11-2

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

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

> 627-11-2 | Chloroethyl Chloroformate | | 1,000 |

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

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


**Substance:** Chloroform

**CAS No.:** 67-66-3

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

**EPCRA RQ (lbs):** 10

> Chloroethyl Chloroformate | | 1,000 | 1,000 | 67-66-3 | Chloroform | f | 10 | 10,000 |

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

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


**Substance:** Chloroform

**CAS No.:** 67-66-3

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U044

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

> Chloroform | 67-66-3 | 1,2,3,4 | U044 | 10 (4.54)

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


**Substance:** Chloromethane

**CAS No.:** 74-87-3

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U045

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

> Chloromethane | 74-87-3 | 2,3,4 | U045 | 100 (45.4)

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

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


**Substance:** Chloromethyl Ether

**CAS No.:** 542-88-1

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 10,000 | 542-88-1 | Chloromethyl Ether | d | 10 | 100 |

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

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


**Substance:** Chloromethyl Methyl Ether

**CAS No.:** 107-30-2

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 10

> 10 | 100 | 107-30-2 | Chloromethyl Methyl Ether |

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

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


**Substance:** Chloromethyl methyl ether

**CAS No.:** 107-30-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U046

**Regulatory categories:** 3,4

> Chloromethyl methyl ether | 107-30-2 | 3,4 | U046 | 10 (4.54)

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

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


**Substance:** Chlorophacinone

**CAS No.:** 3691-35-8

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

**EPCRA RQ (lbs):** 100

> 100 | 3691-35-8 | Chlorophacinone | | 100 | 100/10,000 |

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

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


**Substance:** Chloroprene

**CAS No.:** 126-99-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Chloroprene | 126-99-8 | 3 | | 100 (45.4)

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

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


**Substance:** Chlorosulfonic acid

**CAS No.:** 7790-94-5

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Chlorosulfonic acid | 7790-94-5 | 1 | | 1000 (454)

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

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


**Substance:** Chloroxuron

**CAS No.:** 1982-47-4

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

**EPCRA RQ (lbs):** 500

> 1982-47-4 | Chloroxuron | | 500 | 500/10,000 |

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

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


**Substance:** Chlorpyrifos

**CAS No.:** 2921-88-2

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Chlorpyrifos | 2921-88-2 | 1 | | 1 (0.454)

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

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


**Substance:** Chlorthiophos

**CAS No.:** 21923-23-9

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 21923-23-9 | Chlorthiophos | d | 500 |

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

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


**Substance:** Chromic acetate

**CAS No.:** 1066-30-4

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Chromic acetate | 1066-30-4 | 1 | | 1000 (454)

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

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


**Substance:** Chromic acid H 2 CrO 4 , calcium salt

**CAS No.:** 13765-19-0

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U032

**Regulatory categories:** 1,4

> Chromic acid H 2 CrO 4 , calcium salt | 13765-19-0 | 1,4 | U032 | 10 (4.54)

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

Chromic acid H 2 CrO 4 , calcium salt — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Chromic acid

**CAS No.:** 7738-94-5

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Chromic acid | 7738-94-5 | 1 | | 10 (4.54)

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

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


**Substance:** Chromic Chloride

**CAS No.:** 10025-73-7

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

**EPCRA RQ (lbs):** 1

> 10025-73-7 | Chromic Chloride | | 1 | 1/10,000 |

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

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


**Substance:** Chromic sulfate

**CAS No.:** 10101-53-8

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Chromic sulfate | 10101-53-8 | 1 | | 1000 (454)

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

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


**Substance:** Chromium III

**CAS No.:** 7440-47-3

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 2

> Chromium III | 7440-47-3 | 2 | | 5000 (2270)

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

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


**Substance:** Chromous chloride

**CAS No.:** 10049-05-5

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Chromous chloride | 10049-05-5 | 1 | | 1000 (454)

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

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


**Substance:** Chrysene

**CAS No.:** 218-01-9

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U050

**Regulatory categories:** 2,4

> Chrysene | 218-01-9 | 2,4 | U050 | 100 (45.4)

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

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


**Substance:** Cobalt, ((2,2′-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N′,O,O′)-

**CAS No.:** 62207-76-5

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

**EPCRA RQ (lbs):** 100

> 62207-76-5 | Cobalt, ((2,2′-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N′,O,O′)- | | 100 | 100/10,000 |

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

Cobalt, ((2,2′-(1,2-Ethanediylbis (Nitrilomethylidyne)) Bis(6-Fluorophenolato))(2-)-N,N′,O,O′)- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Cobalt Carbonyl

**CAS No.:** 10210-68-1

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

**EPCRA RQ (lbs):** 10

> 100/10,000 | 10210-68-1 | Cobalt Carbonyl | d | 10 | 10/10,000 |

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

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


**Substance:** Cobaltous bromide

**CAS No.:** 7789-43-7

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Cobaltous bromide | 7789-43-7 | 1 | | 1000 (454)

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

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


**Substance:** Cobaltous formate

**CAS No.:** 544-18-3

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Cobaltous formate | 544-18-3 | 1 | | 1000 (454)

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

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


**Substance:** Cobaltous sulfamate

**CAS No.:** 14017-41-5

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Cobaltous sulfamate | 14017-41-5 | 1 | | 1000 (454)

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

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


**Substance:** Colchicine

**CAS No.:** 64-86-8

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

**EPCRA RQ (lbs):** 10

> 10/10,000 | 64-86-8 | Colchicine | d | 10 |

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

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


**Substance:** Copper cyanide Cu(CN)

**CAS No.:** 544-92-3

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P029

**Regulatory categories:** 4

> Copper cyanide Cu(CN) | 544-92-3 | 4 | P029 | 10 (4.54)

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

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


**Substance:** Copper III

**CAS No.:** 7440-50-8

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 2

> Copper III | 7440-50-8 | 2 | | 5000 (2270)

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

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


**Substance:** Coumaphos

**CAS No.:** 56-72-4

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

**EPCRA RQ (lbs):** 10

> 56-72-4 | Coumaphos | | 10 | 100/10,000 |

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

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


**Substance:** Coumaphos

**CAS No.:** 56-72-4

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Coumaphos | 56-72-4 | 1 | | 10 (4.54)

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


**Substance:** Coumatetralyl

**CAS No.:** 5836-29-3

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

**EPCRA RQ (lbs):** 500

> 5836-29-3 | Coumatetralyl | | 500 | 500/10,000 |

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

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


**Substance:** Cresol (cresylic acid)

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U052

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

> Cresol (cresylic acid) | 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>

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


**Substance:** Cresol, o-

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

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

**EPCRA RQ (lbs):** 100

> 95-48-7 | Cresol, o- | | 100 | 1,000/10,000 |

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

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


**Substance:** Cresols (isomers and mixture)

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U052

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

> Cresols (isomers and mixture) | 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>

Cresols (isomers and mixture) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Cresylic acid (isomers and mixture)

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U052

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

> Cresylic acid (isomers and mixture) | 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>

Cresylic acid (isomers and mixture) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Crimidine

**CAS No.:** 535-89-7

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

**EPCRA RQ (lbs):** 100

> 535-89-7 | Crimidine | | 100 | 100/10,000 |

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

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


**Substance:** Crotonaldehyde, (E)-

**CAS No.:** 123-73-9

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

**EPCRA RQ (lbs):** 100

> 100 | 1,000 | 123-73-9 | Crotonaldehyde, (E)- |

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

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


**Substance:** Crotonaldehyde

**CAS No.:** 4170-30-3

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

**EPCRA RQ (lbs):** 100

> 4170-30-3 | Crotonaldehyde | | 100 | 1,000 |

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

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


**Substance:** Cumene

**CAS No.:** 98-82-8

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U055

**Regulatory categories:** 3,4

> Cumene | 98-82-8 | 3,4 | U055 | 5000 (2270)

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

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


**Substance:** Cupric acetate

**CAS No.:** 142-71-2

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Cupric acetate | 142-71-2 | 1 | | 100 (45.4)

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

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


**Substance:** Cupric acetoarsenite

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

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Cupric acetoarsenite | 12002-03-8 | 1 | | 1 (0.454)

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

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


**Substance:** Cupric chloride

**CAS No.:** 7447-39-4

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Cupric chloride | 7447-39-4 | 1 | | 10 (4.54)

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

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


**Substance:** Cupric nitrate

**CAS No.:** 3251-23-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Cupric nitrate | 3251-23-8 | 1 | | 100 (45.4)

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

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


**Substance:** Cupric oxalate

**CAS No.:** 55671-32-4

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Cupric oxalate | 55671-32-4 | 1 | | 100 (45.4)

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

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


**Substance:** Cupric sulfate, ammoniated

**CAS No.:** 10380-29-7

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Cupric sulfate, ammoniated | 10380-29-7 | 1 | | 100 (45.4)

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

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


**Substance:** Cupric sulfate

**CAS No.:** 7758-98-7

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Cupric sulfate | 7758-98-7 | 1 | | 10 (4.54)

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

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


**Substance:** Cupric tartrate

**CAS No.:** 815-82-7

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Cupric tartrate | 815-82-7 | 1 | | 100 (45.4)

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

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


**Substance:** Cyanogen bromide (CN)Br

**CAS No.:** 506-68-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U246

**Regulatory categories:** 4

> Cyanogen bromide (CN)Br | 506-68-3 | 4 | U246 | 1000 (454)

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

Cyanogen bromide (CN)Br — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Cyanogen Bromide

**CAS No.:** 506-68-3

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

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

> 1,000 | 506-68-3 | Cyanogen Bromide | | 1,000 | 500/10,000 |

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

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


**Substance:** Cyanogen chloride (CN)Cl

**CAS No.:** 506-77-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P033

**Regulatory categories:** 1,4

> Cyanogen chloride (CN)Cl | 506-77-4 | 1,4 | P033 | 10 (4.54)

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

Cyanogen chloride (CN)Cl — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Cyanogen Iodide

**CAS No.:** 506-78-5

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

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

> 506-78-5 | Cyanogen Iodide | | 1,000 | 1,000/10,000 |

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

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


**Substance:** Cyanogen

**CAS No.:** 460-19-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P031

**Regulatory categories:** 4

> Cyanogen | 460-19-5 | 4 | P031 | 100 (45.4)

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

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


**Substance:** Cyanophos

**CAS No.:** 2636-26-2

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

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

> 2636-26-2 | Cyanophos | | 1,000 |

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

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


**Substance:** Cyanuric Fluoride

**CAS No.:** 675-14-9

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 675-14-9 | Cyanuric Fluoride | | 100 |

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

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


**Substance:** Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1α, 2α, 3β-, 4α, 5α, 6β)

**CAS No.:** 58-89-9

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U129

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

> Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1α, 2α, 3β-, 4α, 5α, 6β) | 58-89-9 | 1,2,3,4 | U129 | 1 (0.454)

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

Cyclohexane, 1,2,3,4,5,6-hexachloro-, (1α, 2α, 3β-, 4α, 5α, 6β) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Cyclohexane

**CAS No.:** 110-82-7

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U056

**Regulatory categories:** 1,4

> Cyclohexane | 110-82-7 | 1,4 | U056 | 1000 (454)

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

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


**Substance:** Cyclohexanone

**CAS No.:** 108-94-1

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U057

**Regulatory categories:** 4

> Cyclohexanone | 108-94-1 | 4 | U057 | 5000 (2270)

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

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


**Substance:** Cycloheximide

**CAS No.:** 66-81-9

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

**EPCRA RQ (lbs):** 100

> 100 | 66-81-9 | Cycloheximide | | 100 | 100/10,000 |

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

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


**Substance:** Cyclohexylamine

**CAS No.:** 108-91-8

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

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

> 100/10,000 | 108-91-8 | Cyclohexylamine |

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

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


**Substance:** Cyclophosphamide

**CAS No.:** 50-18-0

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U058

**Regulatory categories:** 4

> Cyclophosphamide | 50-18-0 | 4 | U058 | 10 (4.54)

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

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


**Substance:** (d) 1,1,1-Trichloroethane

**CAS No.:** 71-55-6

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U226

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

> (d) 1,1,1-Trichloroethane | 71-55-6 | 2,3,4 | U226 | 1000 (454)

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

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


**Substance:** D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]-

**CAS No.:** 18883-66-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U206

**Regulatory categories:** 4

> D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- | 18883-66-4 | 4 | U206 | 1 (0.454)

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

D-Glucose, 2-deoxy-2-[[(methylnitrosoamino)-carbonyl]amino]- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** (d) Isobutanol

**CAS No.:** 78-83-1

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U140

**Regulatory categories:** 4

> (d) Isobutanol | 78-83-1 | 4 | U140 | 5000 (2270)

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

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


**Substance:** Daunomycin

**CAS No.:** 20830-81-3

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U059

**Regulatory categories:** 4

> Daunomycin | 20830-81-3 | 4 | U059 | 10 (4.54)

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

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


**Substance:** DDD

**CAS No.:** 72-54-8

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U060

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

> DDD | 72-54-8 | 1,2,4 | U060 | 1 (0.454)

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

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


**Substance:** DDE b

**CAS No.:** 72-55-9

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 2,4

> DDE b | 72-55-9 | 2,4 | | 1 (0.454)

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

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


**Substance:** DDT

**CAS No.:** 50-29-3

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U061

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

> DDT | 50-29-3 | 1,2,4 | U061 | 1 (0.454)

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

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


**Substance:** Decaborane(14)

**CAS No.:** 17702-41-9

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

**EPCRA RQ (lbs):** 500

> 17702-41-9 | Decaborane(14) | | 500 | 500/10,000 |

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

Decaborane(14) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** DEHP

**CAS No.:** 117-81-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U028

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

> DEHP | 117-81-7 | 2,3,4 | U028 | 100 (45.4)

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

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


**Substance:** delta-BHC

**CAS No.:** 319-86-8

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 2

> delta-BHC | 319-86-8 | 2 | | 1 (0.454)

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

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


**Substance:** Demeton-S-Methyl

**CAS No.:** 919-86-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 919-86-8 | Demeton-S-Methyl |

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

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


**Substance:** Demeton

**CAS No.:** 8065-48-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 8065-48-3 | Demeton | | 500 |

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

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


**Substance:** Di-n-butyl phthalate

**CAS No.:** 84-74-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U069

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

> Di-n-butyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)

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

Di-n-butyl phthalate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Di-n-octyl phthalate

**CAS No.:** 117-84-0

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U107

**Regulatory categories:** 2,4

> Di-n-octyl phthalate | 117-84-0 | 2,4 | U107 | 5000 (2270)

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

Di-n-octyl phthalate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Di-n-propylnitrosamine

**CAS No.:** 621-64-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U111

**Regulatory categories:** 2,4

> Di-n-propylnitrosamine | 621-64-7 | 2,4 | U111 | 10 (4.54)

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

Di-n-propylnitrosamine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Dialifor

**CAS No.:** 10311-84-9

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

**EPCRA RQ (lbs):** 100

> 10311-84-9 | Dialifor | | 100 | 100/10,000 |

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

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


**Substance:** Diallate

**CAS No.:** 2303-16-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U062

**Regulatory categories:** 4

> Diallate | 2303-16-4 | 4 | U062 | 100 (45.4)

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

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


**Substance:** Diazinon

**CAS No.:** 333-41-5

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Diazinon | 333-41-5 | 1 | | 1 (0.454)

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

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


**Substance:** Diazomethane

**CAS No.:** 334-88-3

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Diazomethane | 334-88-3 | 3 | | 100 (45.4)

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

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


**Substance:** Dibenz[a,h]anthracene

**CAS No.:** 53-70-3

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U063

**Regulatory categories:** 2,4

> Dibenz[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)

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

Dibenz[a,h]anthracene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Dibenzo[a,h]anthracene

**CAS No.:** 53-70-3

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U063

**Regulatory categories:** 2,4

> Dibenzo[a,h]anthracene | 53-70-3 | 2,4 | U063 | 1 (0.454)

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

Dibenzo[a,h]anthracene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Dibenzo[a,i]pyrene

**CAS No.:** 189-55-9

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U064

**Regulatory categories:** 4

> Dibenzo[a,i]pyrene | 189-55-9 | 4 | U064 | 10 (4.54)

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

Dibenzo[a,i]pyrene — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Dibenzofuran

**CAS No.:** 132-64-9

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Dibenzofuran | 132-64-9 | 3 | | 100 (45.4)

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

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


**Substance:** Diborane

**CAS No.:** 19287-45-7

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 19287-45-7 | Diborane | | 100 |

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

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


**Substance:** Dibromoethane

**CAS No.:** 106-93-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U067

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

> Dibromoethane | 106-93-4 | 1,3,4 | U067 | 1 (0.454)

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

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


**Substance:** Dibutyl phthalate

**CAS No.:** 84-74-2

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U069

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

> Dibutyl phthalate | 84-74-2 | 1,2,3,4 | U069 | 10 (4.54)

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

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


**Substance:** Dicamba

**CAS No.:** 1918-00-9

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Dicamba | 1918-00-9 | 1 | | 1000 (454)

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

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


**Substance:** Dichlobenil

**CAS No.:** 1194-65-6

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Dichlobenil | 1194-65-6 | 1 | | 100 (45.4)

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

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


**Substance:** Dichlone

**CAS No.:** 117-80-6

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 1

> Dichlone | 117-80-6 | 1 | | 1 (0.454)

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

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


**Substance:** Dichlorobenzene

**CAS No.:** 25321-22-6

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1,2

> Dichlorobenzene | 25321-22-6 | 1,2 | | 100 (45.4)

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

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


**Substance:** Dichlorobromomethane

**CAS No.:** 75-27-4

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 2

> Dichlorobromomethane | 75-27-4 | 2 | | 5000 (2270)

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

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


**Substance:** Dichlorodifluoromethane

**CAS No.:** 75-71-8

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U075

**Regulatory categories:** 4

> Dichlorodifluoromethane | 75-71-8 | 4 | U075 | 5000 (2270)

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

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


**Substance:** Dichloroethyl ether

**CAS No.:** 111-44-4

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

**EPCRA RQ (lbs):** 10

> 111-44-4 | Dichloroethyl ether | | 10 | 10,000 |

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

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


**Substance:** Dichloroethyl ether

**CAS No.:** 111-44-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U025

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

> Dichloroethyl ether | 111-44-4 | 2,3,4 | U025 | 10 (4.54)

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


**Substance:** Dichloroisopropyl ether

**CAS No.:** 108-60-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U027

**Regulatory categories:** 2,4

> Dichloroisopropyl ether | 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>

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


**Substance:** Dichloromethane

**CAS No.:** 75-09-2

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U080

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

> Dichloromethane | 75-09-2 | 2,3,4 | U080 | 1000 (454)

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

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


**Substance:** Dichloromethoxy ethane

**CAS No.:** 111-91-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U024

**Regulatory categories:** 2,4

> Dichloromethoxy ethane | 111-91-1 | 2,4 | U024 | 1000 (454)

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

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


**Substance:** Dichloromethyl ether

**CAS No.:** 542-88-1

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P016

**Regulatory categories:** 3,4

> Dichloromethyl ether | 542-88-1 | 3,4 | P016 | 10 (4.54)

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

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


**Substance:** Dichloromethylphenylsilane

**CAS No.:** 149-74-6

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

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

> 149-74-6 | Dichloromethylphenylsilane | | 1,000 |

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

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


**Substance:** Dichlorophenylarsine

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

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P036

**Regulatory categories:** 4

> Dichlorophenylarsine | 696-28-6 | 4 | P036 | 1 (0.454)

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

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


**Substance:** Dichloropropane—Dichloropropene (mixture)

**CAS No.:** 8003-19-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Dichloropropane—Dichloropropene (mixture) | 8003-19-8 | 1 | | 100 (45.4)

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

Dichloropropane—Dichloropropene (mixture) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Dichloropropane

**CAS No.:** 26638-19-7

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1,2

> Dichloropropane | 26638-19-7 | 1,2 | | 1000 (454)

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

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


**Substance:** Dichloropropene

**CAS No.:** 26952-23-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1,2

> Dichloropropene | 26952-23-8 | 1,2 | | 100 (45.4)

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

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


**Substance:** Dichlorvos

**CAS No.:** 62-73-7

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

**EPCRA RQ (lbs):** 10

> 1,000 | 62-73-7 | Dichlorvos | | 10 |

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

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


**Substance:** Dichlorvos

**CAS No.:** 62-73-7

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1,3

> Dichlorvos | 62-73-7 | 1,3 | | 10 (4.54)

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


**Substance:** Dicofol

**CAS No.:** 115-32-2

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Dicofol | 115-32-2 | 1 | | 10 (4.54)

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

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


**Substance:** Dicrotophos

**CAS No.:** 141-66-2

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 141-66-2 | Dicrotophos | | 100 |

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

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


**Substance:** Dieldrin

**CAS No.:** 60-57-1

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P037

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

> Dieldrin | 60-57-1 | 1,2,4 | P037 | 1 (0.454)

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

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


**Substance:** Diepoxybutane

**CAS No.:** 1464-53-5

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 10

> 1464-53-5 | Diepoxybutane | | 10 | 500 |

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

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


**Substance:** Diethanolamine

**CAS No.:** 111-42-2

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Diethanolamine | 111-42-2 | 3 | | 100 (45.4)

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

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


**Substance:** Diethyl Chlorophosphate

**CAS No.:** 814-49-3

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 814-49-3 | Diethyl Chlorophosphate |

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

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


**Substance:** Diethyl-p-nitrophenyl phosphate

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P041

**Regulatory categories:** 4

> Diethyl-p-nitrophenyl phosphate | 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>

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


**Substance:** Diethyl phthalate

**CAS No.:** 84-66-2

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U088

**Regulatory categories:** 2,4

> Diethyl phthalate | 84-66-2 | 2,4 | U088 | 1000 (454)

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

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


**Substance:** Diethyl sulfate

**CAS No.:** 64-67-5

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 3

> Diethyl sulfate | 64-67-5 | 3 | | 10 (4.54)

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

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


**Substance:** Diethylamine

**CAS No.:** 109-89-7

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Diethylamine | 109-89-7 | 1 | | 100 (45.4)

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

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


**Substance:** Diethylarsine

**CAS No.:** 692-42-2

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P038

**Regulatory categories:** 4

> Diethylarsine | 692-42-2 | 4 | P038 | 1 (0.454)

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

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


**Substance:** Diethylene glycol, dicarbamate

**CAS No.:** 5952-26-1

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U395

**Regulatory categories:** 4

> Diethylene glycol, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)

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

Diethylene glycol, dicarbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Diethylhexyl phthalate

**CAS No.:** 117-81-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U028

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

> Diethylhexyl phthalate | 117-81-7 | 2,3,4 | U028 | 100 (45.4)

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

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


**Substance:** Diethylstilbestrol

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

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U089

**Regulatory categories:** 4

> Diethylstilbestrol | 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>

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


**Substance:** Digitoxin

**CAS No.:** 71-63-6

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

**EPCRA RQ (lbs):** 100

> 71-63-6 | Digitoxin | b | 100 | 100/10,000 |

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

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


**Substance:** Diglycidyl Ether

**CAS No.:** 2238-07-5

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

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

> 2238-07-5 | Diglycidyl Ether | | 1,000 |

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

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


**Substance:** Digoxin

**CAS No.:** 20830-75-5

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

**EPCRA RQ (lbs):** 10

> 20830-75-5 | Digoxin | d | 10 | 10/10,000 |

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

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


**Substance:** Dihydrosafrole

**CAS No.:** 94-58-6

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U090

**Regulatory categories:** 4

> Dihydrosafrole | 94-58-6 | 4 | U090 | 10 (4.54)

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

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


**Substance:** Diisopropylfluorophosphate (DFP)

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P043

**Regulatory categories:** 4

> Diisopropylfluorophosphate (DFP) | 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>

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


**Substance:** Dimefox

**CAS No.:** 115-26-4

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 115-26-4 | Dimefox | | 500 |

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

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


**Substance:** Dimethoate

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

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

**EPCRA RQ (lbs):** 10

> 60-51-5 | Dimethoate | | 10 | 500/10,000 |

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

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


**Substance:** Dimethoate

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

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P044

**Regulatory categories:** 4

> Dimethoate | 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>


**Substance:** Dimethyl aminoazobenzene

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

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U093

**Regulatory categories:** 3,4

> Dimethyl aminoazobenzene | 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>

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


**Substance:** Dimethyl-p-Phenylenediamine

**CAS No.:** 99-98-9

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

**EPCRA RQ (lbs):** 10

> 10 | 1,000 | 99-98-9 | Dimethyl-p-Phenylenediamine | | 10 | 10/10,000 |

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

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


**Substance:** Dimethyl Phosphorochloridothioate

**CAS No.:** 2524-03-0

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500/10,000 | 2524-03-0 | Dimethyl Phosphorochloridothioate |

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

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


**Substance:** Dimethyl phthalate

**CAS No.:** 131-11-3

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U102

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

> Dimethyl phthalate | 131-11-3 | 2,3,4 | U102 | 5000 (2270)

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

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


**Substance:** Dimethyl sulfate

**CAS No.:** 77-78-1

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 100

> 500 | 77-78-1 | Dimethyl sulfate | | 100 |

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

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


**Substance:** Dimethyl sulfate

**CAS No.:** 77-78-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U103

**Regulatory categories:** 3,4

> Dimethyl sulfate | 77-78-1 | 3,4 | U103 | 100 (45.4)

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


**Substance:** Dimethylamine

**CAS No.:** 124-40-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U092

**Regulatory categories:** 1,4

> Dimethylamine | 124-40-3 | 1,4 | U092 | 1000 (454)

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

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


**Substance:** Dimethylcarbamoyl chloride

**CAS No.:** 79-44-7

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U097

**Regulatory categories:** 3,4

> Dimethylcarbamoyl chloride | 79-44-7 | 3,4 | U097 | 1 (0.454)

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

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


**Substance:** Dimethyldichlorosilane

**CAS No.:** 75-78-5

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500 | 75-78-5 | Dimethyldichlorosilane |

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

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


**Substance:** Dimethylformamide

**CAS No.:** 68-12-2

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 3

> Dimethylformamide | 68-12-2 | 3 | | 100 (45.4)

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

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


**Substance:** Dimethylhydrazine

**CAS No.:** 57-14-7

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

**EPCRA RQ (lbs):** 10

> 57-14-7 | Dimethylhydrazine | | 10 | 1,000 |

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

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


**Substance:** Dimetilan

**CAS No.:** 644-64-4

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

**EPCRA RQ (lbs):** 1

> 644-64-4 | Dimetilan | | 1 | 500/10,000 |

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

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


**Substance:** Dimetilan

**CAS No.:** 644-64-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P191

**Regulatory categories:** 4

> Dimetilan | 644-64-4 | 4 | P191 | 1 (0.454)

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


**Substance:** Dinitrobenzene (mixed)

**CAS No.:** 25154-54-5

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Dinitrobenzene (mixed) | 25154-54-5 | 1 | | 100 (45.4)

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

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


**Substance:** Dinitrocresol

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

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

**EPCRA RQ (lbs):** 10

> 534-52-1 | Dinitrocresol | | 10 | 10/10,000 |

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

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


**Substance:** Dinitrophenol

**CAS No.:** 25550-58-7

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Dinitrophenol | 25550-58-7 | 1 | | 10 (4.54)

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

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


**Substance:** Dinitrotoluene

**CAS No.:** 25321-14-6

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1,2

> Dinitrotoluene | 25321-14-6 | 1,2 | | 10 (4.54)

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

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


**Substance:** Dinoseb

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

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

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

> 88-85-7 | Dinoseb | | 1,000 | 100/10,000 |

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

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


**Substance:** Dinoseb

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

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P020

**Regulatory categories:** 4

> Dinoseb | 88-85-7 | 4 | P020 | 1000 (454)

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


**Substance:** Dinoterb

**CAS No.:** 1420-07-1

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

**EPCRA RQ (lbs):** 500

> 1420-07-1 | Dinoterb | | 500 | 500/10,000 |

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

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


**Substance:** Dioxathion

**CAS No.:** 78-34-2

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 78-34-2 | Dioxathion | | 500 |

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

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


**Substance:** Diphacinone

**CAS No.:** 82-66-6

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

**EPCRA RQ (lbs):** 10

> 82-66-6 | Diphacinone | | 10 | 10/10,000 |

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

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


**Substance:** Diphosphoramide, Octamethyl-

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

**EPCRA TPQ (lbs):** 100

**EPCRA RQ (lbs):** 100

> 152-16-9 | Diphosphoramide, Octamethyl- | | 100 |

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

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


**Substance:** Diphosphoramide, octamethyl-

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P085

**Regulatory categories:** 4

> Diphosphoramide, octamethyl- | 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>

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


**Substance:** Diphosphoric acid, tetraethyl ester

**CAS No.:** 107-49-3

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P111

**Regulatory categories:** 1,4

> Diphosphoric acid, tetraethyl ester | 107-49-3 | 1,4 | P111 | 10 (4.54)

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

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


**Substance:** Dipropylamine

**CAS No.:** 142-84-7

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U110

**Regulatory categories:** 4

> Dipropylamine | 142-84-7 | 4 | U110 | 5000 (2270)

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

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


**Substance:** Disulfoton

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

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1

> 298-04-4 | Disulfoton | | 1 | 500 |

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

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


**Substance:** Disulfoton

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

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P039

**Regulatory categories:** 1,4

> Disulfoton | 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>


**Substance:** Dithiazanine Iodide

**CAS No.:** 514-73-8

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

**EPCRA RQ (lbs):** 500

> 500 | 514-73-8 | Dithiazanine Iodide | | 500 | 500/10,000 |

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

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


**Substance:** Dithiobiuret

**CAS No.:** 541-53-7

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

**EPCRA RQ (lbs):** 100

> 541-53-7 | Dithiobiuret | | 100 | 100/10,000 |

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

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


**Substance:** Dithiobiuret

**CAS No.:** 541-53-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P049

**Regulatory categories:** 4

> Dithiobiuret | 541-53-7 | 4 | P049 | 100 (45.4)

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


**Substance:** Diuron

**CAS No.:** 330-54-1

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Diuron | 330-54-1 | 1 | | 100 (45.4)

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

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


**Substance:** Dodecylbenzenesulfonic acid

**CAS No.:** 27176-87-0

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Dodecylbenzenesulfonic acid | 27176-87-0 | 1 | | 1000 (454)

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

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


**Substance:** (e) Carbon tetrachloride

**CAS No.:** 56-23-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U211

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

> (e) Carbon tetrachloride | 56-23-5 | 1,2,3,4 | U211 | 10 (4.54)

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

(e) Carbon tetrachloride — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** (e) Chlorobenzene

**CAS No.:** 108-90-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U037

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

> (e) Chlorobenzene | 108-90-7 | 1,2,3,4 | U037 | 100 (45.4)

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

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


**Substance:** (e) Pyridine

**CAS No.:** 110-86-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U196

**Regulatory categories:** 4

> (e) 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>

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


**Substance:** Emetine, Dihydrochloride

**CAS No.:** 316-42-7

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

**EPCRA RQ (lbs):** 1

> 316-42-7 | Emetine, Dihydrochloride | d | 1 | 1/10,000 |

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

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


**Substance:** Endosulfan

**CAS No.:** 115-29-7

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

**EPCRA RQ (lbs):** 1

> 115-29-7 | Endosulfan | | 1 | 10/10,000 |

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

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


**Substance:** Endosulfan sulfate

**CAS No.:** 1031-07-8

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 2

> Endosulfan sulfate | 1031-07-8 | 2 | | 1 (0.454)

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

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


**Substance:** Endosulfan

**CAS No.:** 115-29-7

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P050

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

> Endosulfan | 115-29-7 | 1,2,4 | P050 | 1 (0.454)

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


**Substance:** Endothall

**CAS No.:** 145-73-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P088

**Regulatory categories:** 4

> Endothall | 145-73-3 | 4 | P088 | 1000 (454)

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

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


**Substance:** Endothion

**CAS No.:** 2778-04-3

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

**EPCRA RQ (lbs):** 500

> 2778-04-3 | Endothion | | 500 | 500/10,000 |

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

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


**Substance:** Endrin

**CAS No.:** 72-20-8

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

**EPCRA RQ (lbs):** 1

> 72-20-8 | Endrin | | 1 | 500/10,000 |

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

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


**Substance:** Endrin aldehyde

**CAS No.:** 7421-93-4

**CERCLA RQ (lbs):** 1

**Regulatory categories:** 2

> Endrin aldehyde | 7421-93-4 | 2 | | 1 (0.454)

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

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


**Substance:** Endrin, & metabolites

**CAS No.:** 72-20-8

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P051

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

> Endrin, & metabolites | 72-20-8 | 1,2,4 | P051 | 1 (0.454)

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

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


**Substance:** Endrin

**CAS No.:** 72-20-8

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P051

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

> Endrin | 72-20-8 | 1,2,4 | P051 | 1 (0.454)

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


**Substance:** Epichlorohydrin

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

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

**EPCRA RQ (lbs):** 100

> 106-89-8 | Epichlorohydrin | f | 100 | 1,000 |

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

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


**Substance:** Epichlorohydrin

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U041

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

> Epichlorohydrin | 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>


**Substance:** Epinephrine

**CAS No.:** 51-43-4

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P042

**Regulatory categories:** 4

> Epinephrine | 51-43-4 | 4 | P042 | 1000 (454)

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

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


**Substance:** EPN

**CAS No.:** 2104-64-5

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

**EPCRA RQ (lbs):** 100

> 2104-64-5 | EPN | | 100 | 100/10,000 |

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

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


**Substance:** Ergocalciferol

**CAS No.:** 50-14-6

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

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

> 50-14-6 | Ergocalciferol | b | 1,000 | 1,000/10,000 |

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

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


**Substance:** Ergotamine Tartrate

**CAS No.:** 379-79-3

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

**EPCRA RQ (lbs):** 500

> 379-79-3 | Ergotamine Tartrate | | 500 | 500/10,000 |

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

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


**Substance:** Ethanal

**CAS No.:** 75-07-0

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U001

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

> Ethanal | 75-07-0 | 1,3,4 | U001 | 1000 (454)

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

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


**Substance:** Ethanamine, N-ethyl-N-nitroso-

**CAS No.:** 55-18-5

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U174

**Regulatory categories:** 4

> Ethanamine, N-ethyl-N-nitroso- | 55-18-5 | 4 | U174 | 1 (0.454)

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

Ethanamine, N-ethyl-N-nitroso- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanamine, N,N-diethyl-

**CAS No.:** 121-44-8

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U404

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

> Ethanamine, N,N-diethyl- | 121-44-8 | 1,3,4 | U404 | 5000 (2270)

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

Ethanamine, N,N-diethyl- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1,1,2-tetrachloro-

**CAS No.:** 630-20-6

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U208

**Regulatory categories:** 4

> Ethane, 1,1,1,2-tetrachloro- | 630-20-6 | 4 | U208 | 100 (45.4)

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

Ethane, 1,1,1,2-tetrachloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1,1-trichloro-

**CAS No.:** 71-55-6

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U226

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

> Ethane, 1,1,1-trichloro- | 71-55-6 | 2,3,4 | U226 | 1000 (454)

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

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


**Substance:** Ethane, 1,1,2,2-tetrachloro-

**CAS No.:** 79-34-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U209

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

> Ethane, 1,1,2,2-tetrachloro- | 79-34-5 | 2,3,4 | U209 | 100 (45.4)

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

Ethane, 1,1,2,2-tetrachloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1,2-trichloro-

**CAS No.:** 79-00-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U227

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

> Ethane, 1,1,2-trichloro- | 79-00-5 | 2,3,4 | U227 | 100 (45.4)

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

Ethane, 1,1,2-trichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1-dichloro-

**CAS No.:** 75-34-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U076

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

> Ethane, 1,1-dichloro- | 75-34-3 | 2,3,4 | U076 | 1000 (454)

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

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


**Substance:** Ethane, 1,1′-[methylenebis(oxy)]bis[2- chloro-

**CAS No.:** 111-91-1

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U024

**Regulatory categories:** 2,4

> Ethane, 1,1′-[methylenebis(oxy)]bis[2- chloro- | 111-91-1 | 2,4 | U024 | 1000 (454)

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

Ethane, 1,1′-[methylenebis(oxy)]bis[2- chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1′-oxybis[2-chloro-

**CAS No.:** 111-44-4

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U025

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

> Ethane, 1,1′-oxybis[2-chloro- | 111-44-4 | 2,3,4 | U025 | 10 (4.54)

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

Ethane, 1,1′-oxybis[2-chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,1′-oxybis-

**CAS No.:** 60-29-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U117

**Regulatory categories:** 4

> Ethane, 1,1′-oxybis- | 60-29-7 | 4 | U117 | 100 (45.4)

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

Ethane, 1,1′-oxybis- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,2-dibromo-

**CAS No.:** 106-93-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U067

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

> Ethane, 1,2-dibromo- | 106-93-4 | 1,3,4 | U067 | 1 (0.454)

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

Ethane, 1,2-dibromo- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, 1,2-dichloro-

**CAS No.:** 107-06-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U077

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

> Ethane, 1,2-dichloro- | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)

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

Ethane, 1,2-dichloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethane, hexachloro-

**CAS No.:** 67-72-1

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U131

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

> Ethane, hexachloro- | 67-72-1 | 2,3,4 | U131 | 100 (45.4)

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

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


**Substance:** Ethane, pentachloro-

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

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U184

**Regulatory categories:** 4

> Ethane, pentachloro- | 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>

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


**Substance:** Ethanedinitrile

**CAS No.:** 460-19-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P031

**Regulatory categories:** 4

> Ethanedinitrile | 460-19-5 | 4 | P031 | 100 (45.4)

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

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


**Substance:** Ethanesulfonyl Chloride, 2-Chloro-

**CAS No.:** 1622-32-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 500/10,000 | 1622-32-8 | Ethanesulfonyl Chloride, 2-Chloro- |

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

Ethanesulfonyl Chloride, 2-Chloro- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanethioamide

**CAS No.:** 62-55-5

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U218

**Regulatory categories:** 4

> Ethanethioamide | 62-55-5 | 4 | U218 | 10 (4.54)

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

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


**Substance:** Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester

**CAS No.:** 30558-43-1

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U394

**Regulatory categories:** 4

> Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester | 30558-43-1 | 4 | U394 | 5000 (2270)

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

Ethanimidothioic acid, 2-(dimethylamino)-N-hydroxy-2-oxo-, methyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P194

**Regulatory categories:** 4

> Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester | 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>

Ethanimidothioic acid, 2-(dimethylamino)-N-[[(methylamino)carbonyl]oxy]-2-oxo-, methyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester

**CAS No.:** 16752-77-5

**CERCLA RQ (lbs):** 100

**RCRA waste number:** P066

**Regulatory categories:** 4

> Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester | 16752-77-5 | 4 | P066 | 100 (45.4)

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

Ethanimidothioic acid, N-[[(methylamino) carbonyl]oxy]-, methyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanimidothioic acid, N,N′- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester

**CAS No.:** 59669-26-0

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U410

**Regulatory categories:** 4

> Ethanimidothioic acid, N,N′- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester | 59669-26-0 | 4 | U410 | 100 (45.4)

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

Ethanimidothioic acid, N,N′- [thiobis[(methylimino) carbonyloxy]]bis-, dimethyl ester — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanol, 1,2-Dichloro-, Acetate

**CAS No.:** 10140-87-1

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

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

> 10140-87-1 | Ethanol, 1,2-Dichloro-, Acetate | | 1,000 |

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

Ethanol, 1,2-Dichloro-, Acetate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanol, 2,2′-(nitrosoimino)bis-

**CAS No.:** 1116-54-7

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U173

**Regulatory categories:** 4

> Ethanol, 2,2′-(nitrosoimino)bis- | 1116-54-7 | 4 | U173 | 1 (0.454)

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

Ethanol, 2,2′-(nitrosoimino)bis- — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanol, 2,2′-oxybis-, dicarbamate

**CAS No.:** 5952-26-1

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U395

**Regulatory categories:** 4

> Ethanol, 2,2′-oxybis-, dicarbamate | 5952-26-1 | 4 | U395 | 5000 (2270)

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

Ethanol, 2,2′-oxybis-, dicarbamate — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethanol, 2-ethoxy-

**CAS No.:** 110-80-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U359

**Regulatory categories:** 4

> Ethanol, 2-ethoxy- | 110-80-5 | 4 | U359 | 1000 (454)

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

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


**Substance:** Ethanone, 1-phenyl-

**CAS No.:** 98-86-2

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U004

**Regulatory categories:** 3,4

> Ethanone, 1-phenyl- | 98-86-2 | 3,4 | U004 | 5000 (2270)

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

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


**Substance:** Ethene, 1,1-dichloro-

**CAS No.:** 75-35-4

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U078

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

> Ethene, 1,1-dichloro- | 75-35-4 | 1,2,3,4 | U078 | 100 (45.4)

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

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


**Substance:** Ethene, 1,2-dichloro-(E)

**CAS No.:** 156-60-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U079

**Regulatory categories:** 2,4

> Ethene, 1,2-dichloro-(E) | 156-60-5 | 2,4 | U079 | 1000 (454)

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

Ethene, 1,2-dichloro-(E) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethene, (2-chloroethoxy)-

**CAS No.:** 110-75-8

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U042

**Regulatory categories:** 2,4

> Ethene, (2-chloroethoxy)- | 110-75-8 | 2,4 | U042 | 1000 (454)

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

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


**Substance:** Ethene, chloro-

**CAS No.:** 75-01-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U043

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

> Ethene, chloro- | 75-01-4 | 2,3,4 | U043 | 1 (0.454)

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

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


**Substance:** Ethene, tetrachloro-

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

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U210

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

> Ethene, tetrachloro- | 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>

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


**Substance:** Ethene, trichloro-

**CAS No.:** 79-01-6

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U228

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

> Ethene, trichloro- | 79-01-6 | 1,2,3,4 | U228 | 100 (45.4)

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

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


**Substance:** Ethion

**CAS No.:** 563-12-2

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

**EPCRA RQ (lbs):** 10

> 563-12-2 | Ethion | | 10 | 1,000 |

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

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


**Substance:** Ethion

**CAS No.:** 563-12-2

**CERCLA RQ (lbs):** 10

**Regulatory categories:** 1

> Ethion | 563-12-2 | 1 | | 10 (4.54)

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


**Substance:** Ethoprophos

**CAS No.:** 13194-48-4

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

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

> 13194-48-4 | Ethoprophos | | 1,000 |

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

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


**Substance:** Ethyl acetate

**CAS No.:** 141-78-6

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U112

**Regulatory categories:** 4

> Ethyl acetate | 141-78-6 | 4 | U112 | 5000 (2270)

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

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


**Substance:** Ethyl acrylate

**CAS No.:** 140-88-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U113

**Regulatory categories:** 3,4

> Ethyl acrylate | 140-88-5 | 3,4 | U113 | 1000 (454)

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

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


**Substance:** Ethyl carbamate

**CAS No.:** 51-79-6

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U238

**Regulatory categories:** 3,4

> Ethyl carbamate | 51-79-6 | 3,4 | U238 | 100 (45.4)

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

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


**Substance:** Ethyl chloride

**CAS No.:** 75-00-3

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 2,3

> Ethyl chloride | 75-00-3 | 2,3 | | 100 (45.4)

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

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


**Substance:** Ethyl cyanide

**CAS No.:** 107-12-0

**CERCLA RQ (lbs):** 10

**RCRA waste number:** P101

**Regulatory categories:** 4

> Ethyl cyanide | 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>

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


**Substance:** Ethyl ether

**CAS No.:** 60-29-7

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U117

**Regulatory categories:** 4

> Ethyl ether | 60-29-7 | 4 | U117 | 100 (45.4)

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

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


**Substance:** Ethyl methacrylate

**CAS No.:** 97-63-2

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U118

**Regulatory categories:** 4

> Ethyl methacrylate | 97-63-2 | 4 | U118 | 1000 (454)

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

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


**Substance:** Ethyl methanesulfonate

**CAS No.:** 62-50-0

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U119

**Regulatory categories:** 4

> Ethyl methanesulfonate | 62-50-0 | 4 | U119 | 1 (0.454)

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

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


**Substance:** Ethylbenzene

**CAS No.:** 100-41-4

**CERCLA RQ (lbs):** 1000

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

> Ethylbenzene | 100-41-4 | 1,2,3 | | 1000 (454)

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

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


**Substance:** Ethylbis(2-Chloroethyl)Amine

**CAS No.:** 538-07-8

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 538-07-8 | Ethylbis(2-Chloroethyl)Amine | d | 500 |

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

Ethylbis(2-Chloroethyl)Amine — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethylene dibromide

**CAS No.:** 106-93-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** U067

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

> Ethylene dibromide | 106-93-4 | 1,3,4 | U067 | 1 (0.454)

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

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


**Substance:** Ethylene dichloride

**CAS No.:** 107-06-2

**CERCLA RQ (lbs):** 100

**RCRA waste number:** U077

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

> Ethylene dichloride | 107-06-2 | 1,2,3,4 | U077 | 100 (45.4)

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

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


**Substance:** Ethylene Fluorohydrin

**CAS No.:** 371-62-0

**EPCRA TPQ (lbs):** 10

**EPCRA RQ (lbs):** 10

> 371-62-0 | Ethylene Fluorohydrin | b, d | 10 |

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

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


**Substance:** Ethylene glycol monoethyl ether

**CAS No.:** 110-80-5

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U359

**Regulatory categories:** 4

> Ethylene glycol monoethyl ether | 110-80-5 | 4 | U359 | 1000 (454)

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

Ethylene glycol monoethyl ether — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethylene glycol

**CAS No.:** 107-21-1

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 3

> Ethylene glycol | 107-21-1 | 3 | | 5000 (2270)

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

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


**Substance:** Ethylene Oxide

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

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

**EPCRA RQ (lbs):** 10

> 10 | 75-21-8 | Ethylene Oxide | f | 10 | 1,000 |

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

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


**Substance:** Ethylene oxide

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

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U115

**Regulatory categories:** 3,4

> Ethylene oxide | 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>

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


**Substance:** Ethylenebisdithiocarbamic acid, salts & esters

**CAS No.:** 111-54-6

**CERCLA RQ (lbs):** 5000

**RCRA waste number:** U114

**Regulatory categories:** 4

> Ethylenebisdithiocarbamic acid, salts & esters | 111-54-6 | 4 | U114 | 5000 (2270)

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

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


**Substance:** Ethylenediamine

**CAS No.:** 107-15-3

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

**EPCRA RQ (lbs):** 5,000

> 107-15-3 | Ethylenediamine | | 5,000 | 10,000 |

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

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


**Substance:** Ethylenediamine-tetraacetic acid (EDTA)

**CAS No.:** 60-00-4

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Ethylenediamine-tetraacetic acid (EDTA) | 60-00-4 | 1 | | 5000 (2270)

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

Ethylenediamine-tetraacetic acid (EDTA) — US federal chemical regulatory reporting thresholds by program (CERCLA, EPCRA, CAA)


**Substance:** Ethylenediamine

**CAS No.:** 107-15-3

**CERCLA RQ (lbs):** 5000

**Regulatory categories:** 1

> Ethylenediamine | 107-15-3 | 1 | | 5000 (2270)

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


**Substance:** Ethyleneimine

**CAS No.:** 151-56-4

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 1

> 151-56-4 | Ethyleneimine | | 1 | 500 |

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

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


**Substance:** Ethylenethiourea

**CAS No.:** 96-45-7

**CERCLA RQ (lbs):** 10

**RCRA waste number:** U116

**Regulatory categories:** 3,4

> Ethylenethiourea | 96-45-7 | 3,4 | U116 | 10 (4.54)

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

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


**Substance:** Ethylenimine

**CAS No.:** 151-56-4

**CERCLA RQ (lbs):** 1

**RCRA waste number:** P054

**Regulatory categories:** 3,4

> Ethylenimine | 151-56-4 | 3,4 | P054 | 1 (0.454)

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

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


**Substance:** Ethylidene dichloride

**CAS No.:** 75-34-3

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** U076

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

> Ethylidene dichloride | 75-34-3 | 2,3,4 | U076 | 1000 (454)

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

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


**Substance:** Ethylthiocyanate

**CAS No.:** 542-90-5

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

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

> 542-90-5 | Ethylthiocyanate | | 10,000 |

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

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


**Substance:** Famphur

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

**CERCLA RQ (lbs):** 1000

**RCRA waste number:** P097

**Regulatory categories:** 4

> Famphur | 52-85-7 | 4 | P097 | 1000 (454)

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

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


**Substance:** Fenamiphos

**CAS No.:** 22224-92-6

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

**EPCRA RQ (lbs):** 10

> 22224-92-6 | Fenamiphos | | 10 | 10/10,000 |

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

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


**Substance:** Fensulfothion

**CAS No.:** 115-90-2

**EPCRA TPQ (lbs):** 500

**EPCRA RQ (lbs):** 500

> 115-90-2 | Fensulfothion | d | 500 |

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

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


**Substance:** Ferric ammonium citrate

**CAS No.:** 1185-57-5

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Ferric ammonium citrate | 1185-57-5 | 1 | | 1000 (454)

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

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


**Substance:** Ferric chloride

**CAS No.:** 7705-08-0

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Ferric chloride | 7705-08-0 | 1 | | 1000 (454)

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

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


**Substance:** Ferric fluoride

**CAS No.:** 7783-50-8

**CERCLA RQ (lbs):** 100

**Regulatory categories:** 1

> Ferric fluoride | 7783-50-8 | 1 | | 100 (45.4)

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

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


**Substance:** Ferric nitrate

**CAS No.:** 10421-48-4

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Ferric nitrate | 10421-48-4 | 1 | | 1000 (454)

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

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


**Substance:** Ferric sulfate

**CAS No.:** 10028-22-5

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Ferric sulfate | 10028-22-5 | 1 | | 1000 (454)

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

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


**Substance:** Ferrous ammonium sulfate

**CAS No.:** 10045-89-3

**CERCLA RQ (lbs):** 1000

**Regulatory categories:** 1

> Ferrous ammonium sulfate | 10045-89-3 | 1 | | 1000 (454)

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

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