Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results
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The results of your search are displayed below. Click any column heading to sort.
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If a number appears in the "notes" column for a given, chemical, see the definition on the bottom of this page.
It is possible to cut and paste the table below into a spreadsheet program for further manipulation. |
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Page 6 of 51 - 1275 record(s) matched your criteria |
| CAS Number |
Chemical Name |
Notes |
Status |
ITSL (μg/m3) |
Averaging Time |
Second ITSL (μg/m3) |
Second ITSL Avg Time |
IRSL
(μg/m3) |
SRSL
(μg/m3) |
Carc Avg Time |
| 302012 |
hydrazine |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 309002 |
aldrin |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 110009 |
furan |
|
FINAL |
4 |
annual |
|
|
0.0002 |
0.002 |
annual |
| 7440382 |
arsenic |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 7440484 |
cobalt and cobalt compounds that release cobalt ions |
42 |
FINAL |
0.2 |
8 hr |
|
|
0.00013 |
0.0013 |
annual |
| 136527 |
cobalt 2-ethylhexanoate |
42 |
FINAL |
0.2 |
8 hr |
|
|
0.00013 |
0.0013 |
annual |
| 91598 |
2-naphthylamine |
|
FINAL |
|
|
|
|
0.00013 |
0.0013 |
annual |
| 96128 |
dibromochloropropane |
|
FINAL |
0.2 |
24 hr |
|
|
0.0001 |
0.001 |
annual |
| 18540299 |
chromium, hexavalent - mist |
|
FINAL |
0.008 |
annual |
|
|
0.000083 |
0.00083 |
annual |
| 18540299 |
chromium, hexavalent - particulate |
|
FINAL |
0.1 |
annual |
|
|
0.000083 |
0.00083 |
annual |
| 62759 |
n-nitrosodimethylamine |
|
FINAL |
|
|
|
|
0.00007 |
0.0007 |
annual |
| 509148 |
tetranitromethane |
|
FINAL |
0.4 |
8 hr |
|
|
0.000066 |
0.00066 |
annual |
| 1332214 |
asbestos |
16 |
FINAL |
|
|
|
|
0.000022 |
0.00022 |
annual |
| 92875 |
benzidine |
|
FINAL |
|
|
|
|
0.00002 |
0.0002 |
annual |
| 542881 |
bis(chloromethyl)ether |
|
FINAL |
|
|
|
|
0.000016 |
0.00016 |
annual |
| 637923 |
ethyl tertiary butyl ether |
|
FINAL |
|
|
|
|
0.00001 |
0.0001 |
annual |
| 684935 |
n-nitroso-n-methylurea |
|
FINAL |
|
|
|
|
0.000001 |
0.00001 |
annual |
| 1746016 |
2,3,7,8-tetrachlorodibenzo(p)dioxin |
33 |
FINAL |
0.000002 |
annual |
|
|
0.000000023 |
0.00000023 |
annual |
| 1758889 |
2-ethyl-1,4-dimethyl benzene |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 1760243 |
n-(3-(trimethoxysilyl)propyl)-ethylenediamine |
|
FINAL |
8 |
annual |
|
|
|
|
|
| 1761713 |
4,4'-diaminodicyclohexylmethane |
|
FINAL |
6 |
annual |
|
|
|
|
|
| 1763231 |
perfluorooctane sulfonic acid (pfos) |
|
FINAL |
0.0004 |
24 hr |
|
|
|
|
|
| 1873887 |
heptamethyltrisiloxane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 1897525 |
2,6-difluorobenzonitrile |
|
FINAL |
0.2 |
annual |
|
|
|
|
|
| 1912830 |
stannous octoate |
|
FINAL |
3 |
8 hr |
|
|
|
|
|
|
|
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Notes: For a list of notes which correspond to any numbers which may appear in the “Notes” column above, please follow this link.
https://www.michigan.gov/egle/-/media/Project/Websites/egle/Documents/Programs/AQD/toxics/itsl-irsl-screening-level-footnotes.pdf
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| For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 582-3779. |
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