Tag
Exposure Limits
2 OSHA and HazCom articles tagged "Exposure Limits" — practical, CFR-cited guidance verified against primary sources.
Data & Research
Frozen in 1971: The Data Behind OSHA's Outdated Exposure Limits
An original analysis of OSHA's permissible exposure limits — fewer than 500 chemicals have one, most carry a number a committee chose in 1968, and a 1989 attempt to modernize 376 of them was struck down in court. Why 'meeting the PEL' is the legal floor, not a safe ceiling.
Jul 13, 2026
12 min read
Data & Research
The PFAS Paradox: Regulated in Water, Silent on the SDS
A data analysis of the regulatory asymmetry around 'forever chemicals' — the EPA now limits PFOA and PFOS to 4 parts per trillion in drinking water, yet OSHA has no workplace exposure limit for any of the thousands of PFAS. Why the safety data sheet is the worker's only systematic warning.
Jul 13, 2026
12 min read