46 CFR 197.515 : Shipping (§ 1.01-05 To Subchapter D) — (§ 166.01 To § 199.640) — Coast Guard, Department Of Homeland Security (Continued) (§ 166.01 To § 199.640) — Marine Occupational Safety And Health Standards (Subpart A To Part 198) — General Provisions (Subpart A To Appendix A To Part 197) — Benzene (§ 197.501 To Appendix A To Part 197) — Permissible exposure limits (PELs).

4 Aug 2016

The permissible exposure limits (PELs) for personal exposure are as follows:

(a) The time-weighted average exposure limit (TWA).

(b) The short-term exposure limit (STEL). Exposures at the STEL must not be repeated more than four times a day. There must be at least 60 minutes between successive exposures at the STEL.

46 CFR 197.515