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.
Click here to see descriptions of column headings.
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 1 of 51 - 1272 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 |
| 50000 |
formaldehyde |
|
FINAL |
30 |
24 hr |
|
|
0.08 |
0.8 |
annual |
| 50293 |
ddt |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 50328 |
benzo(a)pyrene |
5 |
FINAL |
0.002 |
24 hr |
|
|
0.001 |
0.01 |
annual |
| 56553 |
benz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 57410 |
phenytoin |
|
FINAL |
|
|
|
|
0.07 |
0.7 |
annual |
| 57749 |
chlordane (technical) |
|
FINAL |
0.7 |
annual |
|
|
0.01 |
0.1 |
annual |
| 62759 |
n-nitrosodimethylamine |
|
FINAL |
|
|
|
|
0.00007 |
0.0007 |
annual |
| 60344 |
methyl hydrazine |
|
FINAL |
0.03 |
annual |
|
|
0.0087 |
0.087 |
annual |
| 60571 |
dieldrin |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 62533 |
aniline |
|
FINAL |
1 |
annual |
76 |
8 hr |
0.6 |
6 |
annual |
| 53703 |
dibenz(a,h)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 56235 |
carbon tetrachloride |
|
FINAL |
480 |
annual |
|
|
0.17 |
1.7 |
annual |
| 67663 |
chloroform |
|
FINAL |
|
|
|
|
0.4 |
4 |
annual |
| 72548 |
DDD (TDE) |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 72559 |
DDE, p,p'- |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
0.1 |
1 |
annual |
| 71432 |
benzene |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
| 75014 |
vinyl chloride |
|
FINAL |
100 |
annual |
|
|
0.11 |
1.1 |
annual |
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 75127 |
formamide |
|
FINAL |
600 |
annual |
|
|
0.2 |
2 |
annual |
| 75218 |
ethylene oxide |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 75252 |
bromoform |
|
FINAL |
|
|
|
|
0.9 |
9 |
annual |
| 75274 |
bromodichloromethane |
|
FINAL |
|
|
|
|
0.06 |
0.6 |
annual |
| 75354 |
vinylidene chloride (1,1-dichloroethylene) |
|
FINAL |
7.3 |
annual |
|
|
0.15 |
1.5 |
annual |
| 75070 |
acetaldehyde |
|
FINAL |
9 |
annual |
|
|
0.5 |
5 |
annual |
|
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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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