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 4 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 |
| 75150 |
carbon disulfide |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 75183 |
dimethylsulfide |
|
FINAL |
7 |
annual |
|
|
|
|
|
| 75218 |
ethylene oxide |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 75252 |
bromoform |
|
FINAL |
|
|
|
|
0.9 |
9 |
annual |
| 75274 |
bromodichloromethane |
|
FINAL |
|
|
|
|
0.06 |
0.6 |
annual |
| 75285 |
isobutane |
22 |
FINAL |
23800 |
8 hr |
|
|
|
|
|
| 75296 |
2-chloropropane |
|
FINAL |
100 |
24 hr |
|
|
|
|
|
| 75310 |
isopropylamine |
|
FINAL |
120 |
8 hr |
|
|
|
|
|
| 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 |
|
|
|
|
|
| 75387 |
vinylidene fluoride |
|
FINAL |
30 |
annual |
|
|
|
|
|
| 75445 |
phosgene |
|
FINAL |
0.3 |
annual |
|
|
|
|
|
| 75456 |
chlorodifluoromethane |
|
FINAL |
50000 |
annual |
|
|
|
|
|
| 75503 |
trimethylamine |
|
FINAL |
120 |
8 hr |
|
|
|
|
|
| 75525 |
nitromethane |
|
FINAL |
70 |
annual |
|
|
0.1 |
1 |
annual |
| 75547 |
methyldichlorosilane |
|
FINAL |
4 |
annual |
|
|
|
|
|
| 75558 |
1,2-propylenimine |
|
FINAL |
5 |
8 hr |
|
|
|
|
|
| 75569 |
propylene oxide |
|
FINAL |
30 |
annual |
|
|
0.3 |
3 |
annual |
| 75649 |
t-butylamine |
|
FINAL |
60 |
annual |
|
|
|
|
|
| 75650 |
tert-butyl alcohol |
|
FINAL |
|
|
|
|
7 |
70 |
annual |
| 75683 |
1-chloro-1,1-difluoroethane |
|
FINAL |
50000 |
annual |
|
|
|
|
|
| 75694 |
trichlorofluoromethane |
|
FINAL |
130 |
annual |
56200 |
1 hr |
|
|
|
| 75718 |
dichlorodifluoromethane |
|
FINAL |
330 |
annual |
49500 |
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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