13 Carcinogens (4-Nitrobiphenyl, etc.)
For 13 Carcinogens (4-Nitrobiphenyl, etc.), cfr section is 1910.1003; action level is none defined; pel is none defined (standard prohibits entry to regulated areas without authorization; no numerical PEL stated); surveillance trigger is employees considered for assignment to enter regulated areas, and for authorized employees; exam frequency is at least annually (periodic physical examinations, not less often than annually, following the preassignment examination), recorded from its source on 2026-08-12.
- Substance
- 13 Carcinogens (4-Nitrobiphenyl, etc.) verified
- CFR section
- 1910.1003 verified
- Action level
- none defined
- PEL
- none defined (standard prohibits entry to regulated areas without authorization; no numerical PEL stated)
- Surveillance trigger
- employees considered for assignment to enter regulated areas, and for authorized employees
- Exam frequency
- at least annually (periodic physical examinations, not less often than annually, following the preassignment examination)
- Record retention
- duration of the employee's employment
What the source says
1910.1003 13 Carcinogens (4-Nitrobiphenyl, etc.)." /> 29 CFR §
— law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.1003