13 Carcinogens (4-Nitrobiphenyl, etc.)
For 13 Carcinogens (4-Nitrobiphenyl, etc.), cfr section is 1910.1003; surveillance trigger is employees considered for assignment to enter regulated areas, and for authorized employees; exam frequency is Authorized employees shall be provided periodic physical examinations, not less often than annually, following the preassignment examination, verified against its source on 2026-09-17.
- Substance
- 13 Carcinogens (4-Nitrobiphenyl, etc.)
- CFR section
- 1910.1003
- Surveillance trigger
- employees considered for assignment to enter regulated areas, and for authorized employees verified
- Exam frequency
- Authorized employees shall be provided periodic physical examinations, not less often than annually, following the preassignment examination verified
What the source says
(g) Medical surveillance. At no cost to the employee, a program of medical surveillance shall be established and implemented for employees considered for assignment to enter regulated areas, and for authorized employees.
— law.cornell.edu, retrieved 2026-08-12
Where each value comes from
The value above is stated away from the sentence quoted with the answer, so the passage that states it is shown here too.
Exam frequency
(1) Examinations. (i) Before an employee is assigned to enter a regulated area, a preassignment physical examination by a physician shall be provided. The examination shall include the personal history of the employee, family and occupational background, including genetic and environmental factors. (ii) Authorized employees shall be provided periodic physical examinations, not less often than annually, following the preassignment examination.
— all from law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.1003