Benzene
For Benzene, cfr section is 1910.1028; action level is 0.5 ppm (TWA); pel is 1 ppm (TWA); 5 ppm (STEL, 15 minutes); surveillance trigger is Employees exposed at or above the action level 30 or more days per year; or at or above the PELs 10 or more days per year; exam frequency is Annually, recorded from its source on 2026-08-12.
- Substance
- Benzene verified
- CFR section
- 1910.1028 verified
- Action level
- 0.5 ppm (TWA)
- PEL
- 1 ppm (TWA); 5 ppm (STEL, 15 minutes)
- Surveillance trigger
- Employees exposed at or above the action level 30 or more days per year; or at or above the PELs 10 or more days per year
- Exam frequency
- Annually verified
- Record retention
- Duration of employment plus 30 years
What the source says
DANGER CONTAINS BENZENE CANCER HAZARD (3) Information and training . (i) The employer shall provide employees with information and training at the time of their initial assignment to a work area where benzene is present. If exposures are above the action level , employees shall be provided with information and training at least annually thereafter. (ii) The <https://www.law.cornell.edu/definitions/index.php?width=840&height=800&iframe=true&def_id=5c8ae3ca6b82c8003a8269dbf145e2b2&term_occur=999&term_src=Title:29:Subtitle:B:Chapter:XVII:Part:1910:1910.1028>
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.1028