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 |
| 0 |
jet fuels |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 62533 |
aniline |
|
FINAL |
1 |
annual |
76 |
8 hr |
0.6 |
6 |
annual |
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
0.1 |
1 |
annual |
| 75718 |
dichlorodifluoromethane |
|
FINAL |
330 |
annual |
49500 |
8 hr |
|
|
|
| 95636 |
1,2,4-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 91203 |
naphthalene |
|
FINAL |
3 |
annual |
520 |
8 hr |
0.08 |
0.8 |
annual |
| 94757 |
2,4-D |
|
FINAL |
35 |
annual |
100 |
8 hr |
|
|
|
| 107051 |
allyl chloride |
|
FINAL |
1 |
annual |
31 |
8 hr |
|
|
|
| 108010 |
dimethylethanolamine |
|
FINAL |
5.2 |
annual |
220 |
8 hr |
|
|
|
| 108907 |
chlorobenzene |
|
FINAL |
50 |
annual |
4400 |
8 hr |
|
|
|
| 91087 |
2,6-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 108678 |
1,3,5-trimethyl benzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 111422 |
diethanolamine |
13 |
FINAL |
0.2 |
annual |
10 |
8 hr |
|
|
|
| 121448 |
triethylamine |
|
FINAL |
7 |
annual |
21 |
8 hr |
|
|
|
| 140885 |
ethyl acrylate |
|
FINAL |
120 |
annual |
200 |
8 hr |
|
|
|
| 526738 |
1,2,3-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 584849 |
2,4-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 822060 |
hexamethylene diisocyanate |
|
FINAL |
0.2 |
annual |
0.3 |
8 hr |
|
|
|
| 2921882 |
chlorpyrifos |
|
FINAL |
1 |
annual |
1 |
8 hr |
|
|
|
| 2426086 |
n-butyl glycidyl ether |
|
FINAL |
300 |
1 hr |
160 |
8 hr |
|
|
|
| 7440280 |
thallium and thallium compounds |
|
FINAL |
0.1 |
annual |
0.2 |
8 hr |
|
|
|
| 8020835 |
deodorized kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 19430934 |
perfluorobutylethylene |
|
FINAL |
2600 |
annual |
10000 |
8 hr |
|
|
|
| 7782505 |
chlorine |
13 |
FINAL |
0.3 |
annual |
500 |
8 hr |
|
|
|
| 8008206 |
kerosene |
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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