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.
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Page 2 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 |
| 127184 |
tetrachloroethylene |
13 |
FINAL |
40 |
annual |
1400 |
24 hr |
4 |
40 |
annual |
| 108678 |
1,3,5-trimethyl benzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 526738 |
1,2,3-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 95636 |
1,2,4-trimethylbenzene |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 25551137 |
trimethylbenzenes (mixed isomers) |
14 |
FINAL |
185 |
annual |
1200 |
8 hr |
|
|
|
| 624920 |
dimethyl disulfide |
|
FINAL |
16 |
annual |
1200 |
24 hr |
|
|
|
| 91203 |
naphthalene |
|
FINAL |
3 |
annual |
520 |
8 hr |
0.08 |
0.8 |
annual |
| 7782505 |
chlorine |
13 |
FINAL |
0.3 |
annual |
500 |
8 hr |
|
|
|
| 7664393 |
hydrogen fluoride |
13 |
FINAL |
14 |
annual |
240 |
1 hr |
|
|
|
| 632224 |
tetramethyl urea |
13 |
FINAL |
0.8 |
annual |
230 |
24 hr |
|
|
|
| 6192525 |
p-toluenesulfonic acid monohydrate |
9 13 |
FINAL |
1.9 |
annual |
230 |
1 hr |
|
|
|
| 108010 |
dimethylethanolamine |
|
FINAL |
5.2 |
annual |
220 |
8 hr |
|
|
|
| 104154 |
p-toluenesulfonic acid |
9 13 |
FINAL |
1.8 |
annual |
210 |
1 hr |
|
|
|
| 140885 |
ethyl acrylate |
|
FINAL |
120 |
annual |
200 |
8 hr |
|
|
|
| 79005 |
1,1,2-trichloroethane |
|
FINAL |
11 |
annual |
160 |
24 hr |
0.063 |
0.63 |
annual |
| 2426086 |
n-butyl glycidyl ether |
|
FINAL |
300 |
1 hr |
160 |
8 hr |
|
|
|
| 7446119 |
sulfur trioxide |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 7664939 |
sulfuric acid |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 8014957 |
oleum |
9,13 |
FINAL |
1 |
annual |
120 |
1 hr |
|
|
|
| 7783064 |
hydrogen sulfide |
|
FINAL |
10 |
annual |
100 |
24 hr |
|
|
|
| 94757 |
2,4-D |
|
FINAL |
35 |
annual |
100 |
8 hr |
|
|
|
| 62533 |
aniline |
|
FINAL |
1 |
annual |
76 |
8 hr |
0.6 |
6 |
annual |
| 57125 |
cyanide |
13 |
FINAL |
0.8 |
annual |
50 |
1 hr |
|
|
|
| 90076656 |
lithium bis(trifluoromethanesulfonyl)imide |
13 |
FINAL |
1 |
annual |
40 |
24 hr |
|
|
|
| 107051 |
allyl chloride |
|
FINAL |
1 |
annual |
31 |
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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