# Directives
1 - National - CPL 02-02-006 [CPL 2-2.6] - Inorganic Mercury and its Compounds
# Federal Register
1 - 79:61383-61438 - Chemical Management and Permissible Exposure Limits (PELs) - PDF
# Regulations
1 - 1910.1000(e) - Air contaminants.