Transcription of April 2014 Page 1 of 4 COMMON BREATHING AIR …
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April 2014 Page 1 of 4 COMMON BREATHING AIR …
Air Quality Laboratories, 2014 Page 1 of 4 COMMON BREATHING AIR QUALITY STANDARDS FOR SCBA AND AIRLINESLIMITING CHARTACTERISTICSCGA GRADE Da (2011)CGA GRADE Eb (2011) OSHAc (2011) NFPA 1989d (2013)NFPA 1500e (2013) carbon Dioxide - ppm v/v1000(1)100010001000reference to NFPA 1989 [Sec. ] carbon monoxide - ppm v/v10(1)(2)10105reference to NFPA 1989 [Sec. ] Dew Point ( F) / Water - ppm v/v (3)(3)<-50 / <63(4)<-63 / <24reference to NFPA 1989 [Sec.]
(7) "The employer must ensure that carbon monoxide levels in the breathing air do not exceed 10 ppm.Methods for ensuring that the carbon monoxide level does not exceed 10 ppm include the placement of the air intake for the
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