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 - 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 |
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 75650 |
tert-butyl alcohol |
|
FINAL |
|
|
|
|
7 |
70 |
annual |
| 1163195 |
decabromodiphenyl oxide |
|
FINAL |
25 |
24 hr |
|
|
5 |
50 |
annual |
| 127184 |
tetrachloroethylene |
13 |
FINAL |
40 |
annual |
1400 |
24 hr |
4 |
40 |
annual |
| 78591 |
isophorone |
|
FINAL |
280 |
1 hr |
|
|
3.7 |
37 |
annual |
| 103231 |
di (2-ethylhexyl) adipate |
|
FINAL |
|
|
|
|
3 |
30 |
annual |
| 96297 |
methylethylketoxime |
|
FINAL |
|
|
|
|
2.5 |
25 |
annual |
| 100425 |
styrene |
|
FINAL |
1000 |
annual |
|
|
2 |
20 |
annual |
| 8006619 |
gasoline |
|
FINAL |
|
|
|
|
2 |
20 |
annual |
| 108781 |
melamine |
|
FINAL |
|
|
|
|
1.5 |
15 |
annual |
| 106887 |
1,2-butylene oxide |
|
FINAL |
20 |
annual |
|
|
1.2 |
12 |
annual |
| 106945 |
propyl bromide |
|
FINAL |
32 |
24 hr |
|
|
1.1 |
11 |
annual |
| 90437 |
o-phenylphenol |
|
FINAL |
|
|
|
|
1.1 |
11 |
annual |
| 128370 |
2,6-di-tert-butyl-p-cresol |
|
FINAL |
|
|
|
|
1 |
10 |
annual |
| 75252 |
bromoform |
|
FINAL |
|
|
|
|
0.9 |
9 |
annual |
| 106898 |
epichlorohydrin |
|
FINAL |
1 |
annual |
|
|
0.8 |
8 |
annual |
| 14807966 |
talc |
|
FINAL |
|
|
|
|
0.8 |
8 |
annual |
| 87627 |
2,6-xylidine |
|
FINAL |
|
|
|
|
0.78 |
7.8 |
annual |
| 57018527 |
propylene glycol tert-butyl ether |
|
FINAL |
|
|
|
|
0.7 |
7 |
annual |
| 117817 |
diethyl hexyl phthalate |
|
FINAL |
70 |
annual |
|
|
0.61 |
6.1 |
annual |
| 62533 |
aniline |
|
FINAL |
1 |
annual |
76 |
8 hr |
0.6 |
6 |
annual |
| 149304 |
2-mercaptobenzothiazole |
|
FINAL |
|
|
|
|
0.54 |
5.4 |
annual |
| 75070 |
acetaldehyde |
|
FINAL |
9 |
annual |
|
|
0.5 |
5 |
annual |
| 92524 |
biphenyl |
|
FINAL |
13 |
8 hr |
|
|
0.43 |
4.3 |
annual |
| 100414 |
ethylbenzene |
|
FINAL |
1000 |
24 hr |
|
|
0.4 |
4 |
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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