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 2 of 51 - 1271 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 |
| 62737 |
dichlorvos |
3 |
FINAL |
0.5 |
annual |
|
|
|
|
|
| 64186 |
formic acid |
|
FINAL |
2 |
annual |
|
|
|
|
|
| 64675 |
diethyl sulfate |
|
FINAL |
1 |
annual |
|
|
|
|
|
| 66251 |
hexanaldehyde |
|
FINAL |
2 |
annual |
|
|
|
|
|
| 67685 |
dimethylsulfoxide |
|
FINAL |
20 |
annual |
|
|
|
|
|
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
0.1 |
1 |
annual |
| 68122 |
N,N-dimethylformamide |
|
FINAL |
30 |
annual |
|
|
|
|
|
| 71363 |
n-butanol |
|
FINAL |
350 |
annual |
|
|
|
|
|
| 71410 |
amyl alcohol |
|
FINAL |
120 |
annual |
|
|
|
|
|
| 71432 |
benzene |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
| 74839 |
methyl bromide |
|
FINAL |
5 |
annual |
|
|
|
|
|
| 74851 |
ethylene |
|
FINAL |
6240 |
annual |
|
|
|
|
|
| 74873 |
methyl chloride |
21 |
FINAL |
90 |
annual |
|
|
|
|
|
| 67630 |
isopropyl alcohol |
|
FINAL |
220 |
annual |
|
|
|
|
|
| 75014 |
vinyl chloride |
|
FINAL |
100 |
annual |
|
|
0.11 |
1.1 |
annual |
| 75058 |
acetonitrile |
|
FINAL |
200 |
annual |
|
|
|
|
|
| 75070 |
acetaldehyde |
|
FINAL |
9 |
annual |
|
|
0.5 |
5 |
annual |
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 75127 |
formamide |
|
FINAL |
600 |
annual |
|
|
0.2 |
2 |
annual |
| 75150 |
carbon disulfide |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 75183 |
dimethylsulfide |
|
FINAL |
7 |
annual |
|
|
|
|
|
| 75343 |
1,1-dichloroethane |
|
FINAL |
500 |
annual |
|
|
|
|
|
| 75354 |
vinylidene chloride (1,1-dichloroethylene) |
|
FINAL |
7.3 |
annual |
|
|
0.15 |
1.5 |
annual |
| 75365 |
acetyl chloride |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 75376 |
1,1-difluoroethane |
|
FINAL |
400000 |
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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