Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results
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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.
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Page 1 of 52 - 1277 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 |
| 7446119 |
sulfur trioxide |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 7664939 |
sulfuric acid |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 8014957 |
oleum |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 6192525 |
p-toluenesulfonic acid monohydrate |
9 13 |
FINAL |
1.9 |
annual |
230 |
1 hr |
|
|
|
| 104154 |
p-toluenesulfonic acid |
9 13 |
FINAL |
1.8 |
annual |
210 |
1 hr |
|
|
|
| 1336363 |
polychlorinated biphenyls |
8 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 7439976 |
mercury and mercury compounds |
7 |
FINAL |
0.3 |
annual |
1 |
24 hr |
|
|
|
| 12070121 |
tungsten carbide |
6 |
FINAL |
50 |
8 hr |
|
|
|
|
|
| 8052424 |
asphalt fumes |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 3697243 |
5-methylchrysene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 53703 |
dibenz(a,h)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 50328 |
benzo(a)pyrene |
5 |
FINAL |
0.002 |
24 hr |
|
|
0.001 |
0.01 |
annual |
| 56495 |
3-methylcholanthrene |
5 |
FINAL |
|
|
|
|
|
|
|
| 56553 |
benz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 57976 |
7,12-dimethylbenz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
|
| 189559 |
dibenzo(a,i)pyrene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 189640 |
dibenzo(a,h)pyrene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 193395 |
Indeno(1,2,3-cd)pyrene |
5 |
FINAL |
|
|
|
|
|
|
|
| 205823 |
benzo(j)fluoranthene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 205992 |
Benzo(b)fluoranthene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 191300 |
dibenzo(a,l)pyrene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 192654 |
dibenzo(a,e)pyrene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 207089 |
Benzo(k)fluoranthene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 218019 |
chrysene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 0 |
jet fuels |
44 |
FINAL |
200 |
annual |
2000 |
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 [email protected] or (517) 582-3779. |
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