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 1 of 51 - 1274 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 |
74851 |
ethylene |
|
FINAL |
6240 |
annual |
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|
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74873 |
methyl chloride |
21 |
FINAL |
90 |
annual |
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|
|
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74884 |
methyl iodide |
|
FINAL |
120 |
8 hr |
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|
|
|
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74895 |
methylamine |
|
FINAL |
64 |
8 hr |
|
|
|
|
|
74931 |
methyl mercaptan |
|
FINAL |
10 |
1 hr |
|
|
|
|
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74975 |
chlorobromomethane |
|
FINAL |
10600 |
8 hr |
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|
|
|
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74997 |
methyl acetylene |
|
FINAL |
16500 |
8 hr |
|
|
|
|
|
75003 |
ethyl chloride |
|
FINAL |
10000 |
24 hr |
|
|
|
|
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75014 |
vinyl chloride |
|
FINAL |
100 |
annual |
|
|
0.11 |
1.1 |
annual |
75047 |
ethylamine |
|
FINAL |
92 |
8 hr |
|
|
|
|
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75058 |
acetonitrile |
|
FINAL |
200 |
annual |
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|
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75070 |
acetaldehyde |
|
FINAL |
9 |
annual |
|
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0.5 |
5 |
annual |
75081 |
ethyl mercaptan |
|
FINAL |
13 |
1 hr |
|
|
|
|
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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 |
|
|
|
|
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75183 |
dimethylsulfide |
|
FINAL |
7 |
annual |
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|
|
|
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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 |
|
|
|
|
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75296 |
2-chloropropane |
|
FINAL |
100 |
24 hr |
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75310 |
isopropylamine |
|
FINAL |
120 |
8 hr |
|
|
|
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75343 |
1,1-dichloroethane |
|
FINAL |
500 |
annual |
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|
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75354 |
vinylidene chloride (1,1-dichloroethylene) |
|
FINAL |
7.3 |
annual |
|
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0.15 |
1.5 |
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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