Make sure the NIOSH certification labeling and color-coding on air-purifying respirator filters, cartridges, and canisters remains readable and intact during use.
Link: Color-coding specifications for manufacturers can be found in Title 42 C.F.R., Part 84. Visit www.cdc.gov/niosh.
Wash. Admin. Code § 296-842-21005
Statutory Authority: RCW 49.17.010, 49.17.040, 49.17.050, 49.17.060. 07-05-072, § 296-842-21005, filed 2/20/07, effective 4/1/07; 03-20-114, § 296-842-21005, filed 10/1/03, effective 1/1/04.