Coke oven emissions
For Coke oven emissions, cfr section is 1910.1029; pel is 150 micrograms per cubic meter of air (150 µg/m 3), averaged over any 8-hour period; surveillance trigger is all employees who are employed in a regulated area at least 30 days per year; exam frequency is at least annually; record retention is The employer shall maintain medical records required under paragraph (m)(2) of this section for at least 40 years, or for the duration of employment plus 20 years, whichever is longer, verified against its source on 2026-09-17.
- Substance
- Coke oven emissions verified
- CFR section
- 1910.1029
- PEL
- 150 micrograms per cubic meter of air (150 µg/m 3), averaged over any 8-hour period verified
- Surveillance trigger
- all employees who are employed in a regulated area at least 30 days per year verified
- Exam frequency
- at least annually verified
- Record retention
- The employer shall maintain medical records required under paragraph (m)(2) of this section for at least 40 years, or for the duration of employment plus 20 years, whichever is longer verified
What the source says
(iii) The training program shall be provided at least annually for all employees who are employed in the regulated area, except that training regarding the occupational safety and health hazards associated with exposure to coke oven emissions
— law.cornell.edu, retrieved 2026-08-12
Where each value comes from
This source states these in separate places, so each value is shown with the passage that states it.
PEL
Green plush means coke which when removed from the oven results in emissions due to the presence of unvolatilized coal. (c) Permissible exposure limit . The employer shall assure that no employee in the regulated area is exposed to coke oven emissions at concentrations greater than 150 micrograms per cubic meter of air (150 µg/m 3), averaged over any 8-hour period.
Surveillance trigger
(ii) Drinking water may be consumed in the regulated area. (j) Medical surveillance —(1) General requirements . (i) Each employer shall institute a medical surveillance program for all employees who are employed in a regulated area at least 30 days per year.
Record retention
(f) The initial cytologic examination slide and written description; (g) The cytologic examination slide and written description for the most recent 10 years; and (h) Any cytologic examination slides with demonstrated atypia, if such atypia persists for 3 years, and all subsequent slides and written descriptions. (iii) The employer shall maintain medical records required under paragraph (m)(2) of this section for at least 40 years, or for the duration of employment plus 20 years, whichever is longer.
— all from law.cornell.edu, retrieved 2026-08-12
Source
- law.cornell.eduhttps://www.law.cornell.edu/cfr/text/29/1910.1029