WAC 296-842-21005. Keep labels readable on respirator filters, cartridges, and canisters during use

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 .