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Can I fit test with a respirator using chemical vapor cartridges?

April 26, 2017cartridges chemical fit respirator Test vapor

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Can I fit test with a respirator using chemical vapor cartridges?

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NO. Chemical cartridges do not stop ambient air particles. Even though your employees use chemical cartridges in the work place you will have to do your fit testing with Class 99 or Class 100 HEPA cartridges. Combination chemical/HEPA cartridges usually will work fine. However, some chemical/vapor cartridges may release particles of sorbent material which will be interpreted as leakage by the PORTACOUNT. Use plain HEPA cartridges to be safe.