Industrial Hygiene Services for OSHA, MSHA, and EPA Compliance-Local & Nationwide.

Formaldehyde Assessments

Formaldehyde is a widely used industrial chemical, but it is also a highly regulated corporate liability and a known human carcinogen. Whether your facility handles formaldehyde in manufacturing, wood product processing, textile treatment, or medical laboratories, protecting your workforce and ensuring regulatory compliance is paramount.

At Midwest IHS, we deliver comprehensive industrial hygiene exposure monitoring tailored to your specific operations.


The Regulatory Compliance Thresholds

OSHA strictly regulates occupational exposure to formaldehyde under 29 CFR 1910.1048. Employers are required to maintain airborne concentrations below the following precise legal limits:

Limit Type	Concentration	Duration / Definition
Permissible Exposure Limit (PEL)	0.75 ppm	8-hour Time-Weighted Average (TWA)
Short-Term Exposure Limit (STEL)	2.0 ppm	15-minute maximum exposure window
Action Level (AL)	0.5 ppm	Triggers mandatory periodic monitoring & medical surveillance

Why Initial Monitoring Matters: OSHA mandates that any workplace where formaldehyde is present must conduct initial air monitoring to determine employee exposure levels. If your site is above the 0.5 ppm Action Level, periodic monitoring must be maintained until levels drop consistently

Our Sampling Methodology: Getting It Right
Formaldehyde is a volatile gas that requires precise, method-driven sampling protocols to prevent sample degradation or inaccurate high-biases. We utilize accredited, industry-standard methodologies to guarantee defensible results