NYC 9/11 Public Portal Document
AIRBORNE ASBESTOS, BUILDING INTERIORS PCM- PCM-equivalent
LIBBY equivalent RANGE
PCM-equivalent fibers and bundles longer than 5 Micrometers MEAN fibers permillJiter
fibers per f/mL
milliliterf/mL
EPA Region 8 data.“ ROUTINE AND ACTIVE OCCUPANCY. Analyses by TEM.
routine activities, personal air monitor, 2 of 5 (40%) samples 0.35 0.023 - 0.048
had detectable asbestos
routine activities, personal air monitor, 3 of 5 (60%) samples ND ND
had non-detectable asbestos
routine activities, remote stationary air monitor, 4 of 10 (40%) 0.009 0.0003 - 0.036
samples had detectable asbestos
routine activities, remote stationary air monitor, 6 of 10 (60%) ND ND
samples had non-detectable asbestos
active cleaning activities, personal air monitor, 6 of 26(23%) 0.010 0.004 - 0.013
samples had detectable asbestos
active cleaning activities, personal air monitor, 20 of 26 (77%) ND ND
samples had non-detectable asbestos
active cleaning activities, remote stationary air monitor, 3 of 17 0.008 0.007 -0.010
(18%) samples had detectable asbestos
active cleaning activities, remote stationary air monitor, 14 of 17 ND ND
(82%) samples had non-detectable asbestos
-20-
NYC-WTC_000140254
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