Inorganic arsenic
For Inorganic arsenic, cfr section is 1910.1018; action level is 5 micrograms per cubic meter of air (5 µg/m3); pel is 10 micrograms per cubic meter of air (10 µg/m3) as determined as an average over an 8-hour period; surveillance trigger is all employees who are or will be exposed above the action level, without regard to the use of respirators, at least 30 days per year; and all employees who have been exposed above the action level for 30 days or more per year for a total of 10 years or more; exam frequency is annually (for employees 45 years of age or less with fewer than 10 years exposure over the action level); every 6 months (for employees over 45 years old or with more than 10 years exposure over the action level), recorded from its source on 2026-08-12.
- Substance
- Inorganic arsenic verified
- CFR section
- 1910.1018 verified
- Action level
- 5 micrograms per cubic meter of air (5 µg/m3)
- PEL
- 10 micrograms per cubic meter of air (10 µg/m3) as determined as an average over an 8-hour period
- Surveillance trigger
- all employees who are or will be exposed above the action level, without regard to the use of respirators, at least 30 days per year; and all employees who have been exposed above the action level for 30 days or more per year for a total of 10 years or more
- Exam frequency
- annually (for employees 45 years of age or less with fewer than 10 years exposure over the action level); every 6 months (for employees over 45 years old or with more than 10 years exposure over the action level)
- Record retention
- at least 40 years or for the duration of employment plus 20 years, whichever is longer
What the source says
1910.1018 Inorganic arsenic." /> 29 CFR §
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.1018