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 3 of 51 - 1274 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 |
| 91225 |
quinoline |
|
FINAL |
|
|
|
|
0.001 |
0.01 |
annual |
| 91598 |
2-naphthylamine |
|
FINAL |
|
|
|
|
0.00013 |
0.0013 |
annual |
| 91941 |
dichlorobenzidine |
|
FINAL |
|
|
|
|
0.002 |
0.02 |
annual |
| 92524 |
biphenyl |
|
FINAL |
13 |
8 hr |
|
|
0.43 |
4.3 |
annual |
| 92875 |
benzidine |
|
FINAL |
|
|
|
|
0.00002 |
0.0002 |
annual |
| 95534 |
o-toluidine |
|
FINAL |
|
|
|
|
0.07 |
0.7 |
annual |
| 96128 |
dibromochloropropane |
|
FINAL |
0.2 |
24 hr |
|
|
0.0001 |
0.001 |
annual |
| 96231 |
1,3-dichloro-2-propanol |
|
FINAL |
3 |
annual |
|
|
0.07 |
0.7 |
annual |
| 96297 |
methylethylketoxime |
|
FINAL |
|
|
|
|
2.5 |
25 |
annual |
| 96457 |
ethylene thiourea |
|
FINAL |
0.28 |
annual |
|
|
0.01 |
0.1 |
annual |
| 98000 |
furfuryl alcohol |
|
FINAL |
5 |
annual |
|
|
0.09 |
0.9 |
annual |
| 98011 |
furfural |
|
FINAL |
|
|
|
|
0.06 |
0.6 |
annual |
| 98828 |
cumene |
|
FINAL |
400 |
annual |
|
|
0.1 |
1 |
annual |
| 98953 |
nitrobenzene |
|
FINAL |
9 |
annual |
|
|
0.025 |
0.25 |
annual |
| 100414 |
ethylbenzene |
|
FINAL |
1000 |
24 hr |
|
|
0.4 |
4 |
annual |
| 100425 |
styrene |
|
FINAL |
1000 |
annual |
|
|
2 |
20 |
annual |
| 100447 |
benzyl chloride |
|
FINAL |
|
|
|
|
0.02 |
0.2 |
annual |
| 100527 |
benzaldehyde |
|
FINAL |
|
|
|
|
0.4 |
4 |
annual |
| 103231 |
di (2-ethylhexyl) adipate |
|
FINAL |
|
|
|
|
3 |
30 |
annual |
| 103333 |
azobenzene |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
annual |
| 107131 |
acrylonitrile |
|
FINAL |
2 |
annual |
|
|
0.01 |
0.1 |
annual |
| 101779 |
4,4'-methylene dianiline |
|
FINAL |
|
|
|
|
0.022 |
0.22 |
annual |
| 106467 |
1,4-dichlorobenzene |
|
FINAL |
800 |
annual |
|
|
0.25 |
2.5 |
annual |
| 106490 |
p-toluidine |
|
FINAL |
2 |
annual |
|
|
0.03 |
0.3 |
annual |
| 106923 |
allyl glycidyl ether |
|
FINAL |
|
|
|
|
0.1 |
1 |
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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