NYC 9/11 Public Portal Document
Tables. CUMULATIVE EXPOSURES OF ASBESTOS ASSOCIATED WITH HEALTH EFFECTS
From the ATSDR Toxicological Profile for Asbestos?° including examples of air levels and the amount of
time needed to accumulate the dose
EQUIVALENT AIR LEVEL (in fibers per milliliter - f/mL)
UI
§ 2 and NUMBER OP YEARS EXPOSURE
THAT WOULD LEAD TO THIS TOTAL CUMULATIVE EXPOSURE OR DOSE
DC
O S
b
UI
u.
hp
u.
UI
I
z
hl
Cumulative Exposure is given In the number 1 week 3 months 6 months 1 year 2 years 50 years
of fibers per milliliter ames the years of
exposure (f-yr/mL), n.easured by PCM
Risk Level Is the number of excess cancer
cases or cases of other health effects for a
given population
king cancer. 0.00035 1 cancer 0.018 0.0014 0.0007 0.00035 0.000175 0.00(M)07
smokers, per million
EPA risk levels
0.0035 1 cancer 0.183 0.014 0.007 0.0035 0.00175 0.00007
per 100,000
0.035 1 cancer 1.825 0.14 0.07 0.035 0.0175 0.0007
per 10,000
king cancer, 0.0035 1 cancer 0.183 0.014 0.007 0.0035 0.00175 0.00007
non-smokers, per mIMon
EPA risk levels
0.035 1 cancer 1.825 0.14 0.07 0.035 0.0175 0.0007
per 100,000
0.35 1 cancer 18.250 1.4 0.7 0.35 0.175 0.007
per 10,000
mesothelioma, 0.00031 1 cancer 0.01 e 0.00124 0.00062 0.00031 0.000155 0.0000062
EPA risk levels per million
0.0031 ^cancer 0.162 0.0124 0.0062 0.0031 0.00155 0.000062
per 100,000
0.031 1 cancer 1.616 0.124 0.062 0.031 0.0155 0.00062
per 10,000
asbestosis 2.6 no effect 135.571 10.4 5.2 2.6 1.3 0.052
level
4.5 1 case per 234.643 18 9 4.5 2.25 0.09
1000
abnormal 0.12 3.7 per 100 6.257 0.48 0.24 0.12 0.06 0.0024
radiological
findings
-8-
NYC-WTC_000140266
OCR can misread numbers and units. Confirm readings against the page image before using them.