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 3 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 |
| 56553 |
benz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 56815 |
glycerol |
|
FINAL |
100 |
8 hr |
|
|
|
|
|
| 57114 |
stearic acid |
|
FINAL |
100 |
8 hr |
|
|
|
|
|
| 57125 |
cyanide |
13 |
FINAL |
0.8 |
annual |
50 |
1 hr |
|
|
|
| 57158 |
chlorobutanol |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 57410 |
phenytoin |
|
FINAL |
|
|
|
|
0.07 |
0.7 |
annual |
| 57749 |
chlordane (technical) |
|
FINAL |
0.7 |
annual |
|
|
0.01 |
0.1 |
annual |
| 57830 |
progesterone |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 57976 |
7,12-dimethylbenz(a)anthracene |
5 |
FINAL |
|
|
|
|
|
|
|
| 58366 |
10,10'-oxybisphenoxarsine oxide |
|
FINAL |
0.2 |
annual |
|
|
|
|
|
| 74851 |
ethylene |
|
FINAL |
6240 |
annual |
|
|
|
|
|
| 74873 |
methyl chloride |
21 |
FINAL |
90 |
annual |
|
|
|
|
|
| 74884 |
methyl iodide |
|
FINAL |
120 |
8 hr |
|
|
|
|
|
| 74895 |
methylamine |
|
FINAL |
64 |
8 hr |
|
|
|
|
|
| 74931 |
methyl mercaptan |
|
FINAL |
10 |
1 hr |
|
|
|
|
|
| 74975 |
chlorobromomethane |
|
FINAL |
10600 |
8 hr |
|
|
|
|
|
| 74997 |
methyl acetylene |
|
FINAL |
16500 |
8 hr |
|
|
|
|
|
| 75003 |
ethyl chloride |
|
FINAL |
10000 |
24 hr |
|
|
|
|
|
| 75014 |
vinyl chloride |
|
FINAL |
100 |
annual |
|
|
0.11 |
1.1 |
annual |
| 75047 |
ethylamine |
|
FINAL |
92 |
8 hr |
|
|
|
|
|
| 75058 |
acetonitrile |
|
FINAL |
200 |
annual |
|
|
|
|
|
| 75070 |
acetaldehyde |
|
FINAL |
9 |
annual |
|
|
0.5 |
5 |
annual |
| 75081 |
ethyl mercaptan |
|
FINAL |
13 |
1 hr |
|
|
|
|
|
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 75127 |
formamide |
|
FINAL |
600 |
annual |
|
|
0.2 |
2 |
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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