
Wood Preservative Chemical Safety: Hazards and Controls
TL;DR Inorganic arsenic in CCA carries an OSHA airborne limit of 10 µg/m³ (8-hour TWA), with medical surveillance triggered at half that level (OSHA, 29 CFR 1910.1018). Hexavalent chromium, also in CCA, sits at 5 µg/m³ (8-hour TWA) — among…



















