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 4 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 |
| 584849 |
2,4-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 91087 |
2,6-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 91178 |
decahydronaphthalene |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 103333 |
azobenzene |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 563473 |
3-chloro-2-methylpropene |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 68410991 |
paroil 45 |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 26471625 |
toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 63449398 |
chlorinated paraffins |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 98953 |
nitrobenzene |
|
FINAL |
9 |
annual |
|
|
0.025 |
0.25 |
annual |
| 101779 |
4,4'-methylene dianiline |
|
FINAL |
|
|
|
|
0.022 |
0.22 |
annual |
| 100447 |
benzyl chloride |
|
FINAL |
|
|
|
|
0.02 |
0.2 |
annual |
| 78795 |
isoprene |
|
FINAL |
|
|
|
|
0.02 |
0.2 |
annual |
| 79345 |
1,1,2,2-tetrachloroethane |
|
FINAL |
|
|
|
|
0.02 |
0.2 |
annual |
| 57749 |
chlordane (technical) |
|
FINAL |
0.7 |
annual |
|
|
0.01 |
0.1 |
annual |
| 50293 |
ddt |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 72548 |
DDD (TDE) |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 72559 |
DDE, p,p'- |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 107131 |
acrylonitrile |
|
FINAL |
2 |
annual |
|
|
0.01 |
0.1 |
annual |
| 96457 |
ethylene thiourea |
|
FINAL |
0.28 |
annual |
|
|
0.01 |
0.1 |
annual |
| 12789036 |
chlordane (technical) |
|
FINAL |
0.7 |
annual |
|
|
0.01 |
0.1 |
annual |
| 1336363 |
polychlorinated biphenyls |
8 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 87865 |
pentachlorophenol |
|
FINAL |
20 |
annual |
|
|
0.009 |
0.09 |
annual |
| 121142 |
2,4-dinitrotoluene |
|
FINAL |
2 |
8 hr |
|
|
0.009 |
0.09 |
annual |
| 60344 |
methyl hydrazine |
|
FINAL |
0.03 |
annual |
|
|
0.0087 |
0.087 |
annual |
| 513371 |
dimethylvinyl chloride |
|
FINAL |
|
|
|
|
0.008 |
0.08 |
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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