Reference Source

Hexachloronaphthalene — workplace exposure limit

What is the pel (mg/m³) for Hexachloronaphthalene — workplace exposure limit?

For Hexachloronaphthalene, pel (mg/m³) is 0.2; cas no. is 1335-87-1, verified against its source on 2026-08-05.

Hexachloronaphthalene | 1335-87-1 | - | 0.2 | X |

osha.gov, retrieved 2026-08-05

Substance
Hexachloronaphthalene verified
CAS No.
1335-87-1 verified
PEL (mg/m³)
0.2 verified
NIOSH REL (mg/m³)
TWA 0.2 per cdc.gov
Sourceosha.gov
Verified
Review by
DatasetUS workplace chemical exposure limits: federal OSHA, Cal/OSHA and NIOSH, side by side

What dir.ca.gov says

1335871 | S | Hexachloronaphthalene | -- | 0.2

dir.ca.gov, retrieved 2026-08-05

What cdc.gov says

NIOSH REL TWA 0.2 mg/m3 [skin]

cdc.gov, retrieved 2026-09-08

Sources

Last verified against source: . Due for re-check by . This page as Markdown · OKF bundle · full dataset as JSON.

What is the OSHA exposure limit for this substance?Find the exposure limit for a substance in workplace air — federal OSHA, California and NIOSH, side by side.