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.
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Page 6 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 |
| 80568 |
pinene, alpha |
18 |
FINAL |
1120 |
8 hr |
|
|
|
|
|
| 7440473 |
chromium |
17 |
FINAL |
|
|
|
|
|
|
|
| 1332214 |
asbestos |
16 |
FINAL |
|
|
|
|
0.000022 |
0.00022 |
annual |
| 105464 |
sec-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 540885 |
tert-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 123864 |
n-butyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 110190 |
isobutyl acetate |
15 |
FINAL |
2400 |
8 hr |
|
|
|
|
|
| 108678 |
1,3,5-trimethyl benzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 95636 |
1,2,4-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 526738 |
1,2,3-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 25551137 |
trimethylbenzenes (mixed isomers) |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 26471625 |
toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 90076656 |
lithium bis(trifluoromethanesulfonyl)imide |
13 |
FINAL |
1 |
annual |
40 |
24 hr |
|
|
|
| 7664393 |
hydrogen fluoride |
13 |
FINAL |
14 |
annual |
240 |
1 hr |
|
|
|
| 7782505 |
chlorine |
13 |
FINAL |
0.3 |
annual |
500 |
8 hr |
|
|
|
| 7647010 |
hydrogen chloride |
13 |
FINAL |
20 |
annual |
2100 |
1 hr |
|
|
|
| 106912 |
glycidyl methacrylate |
13 |
FINAL |
0.8 |
annual |
16 |
24 hr |
|
|
|
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 91087 |
2,6-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 57125 |
cyanide |
13 |
FINAL |
0.8 |
annual |
50 |
1 hr |
|
|
|
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
0.1 |
1 |
annual |
| 107028 |
acrolein |
13 |
FINAL |
0.4 |
annual |
5 |
1 hr |
|
|
|
| 111422 |
diethanolamine |
13 |
FINAL |
0.2 |
annual |
10 |
8 hr |
|
|
|
| 584849 |
2,4-toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 632224 |
tetramethyl urea |
13 |
FINAL |
0.8 |
annual |
230 |
24 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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