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 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 |
67561 |
methanol |
|
FINAL |
20000 |
24 hr |
28000 |
1 hr |
|
|
|
67630 |
isopropyl alcohol |
|
FINAL |
220 |
annual |
|
|
|
|
|
67641 |
acetone |
|
FINAL |
5900 |
8 hr |
|
|
|
|
|
67663 |
chloroform |
|
FINAL |
|
|
|
|
0.4 |
4 |
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 |
|
|
|
|
|
71238 |
n-propyl alcohol |
|
FINAL |
2500 |
8 hr |
|
|
|
|
|
71363 |
n-butanol |
|
FINAL |
350 |
annual |
|
|
|
|
|
71410 |
amyl alcohol |
|
FINAL |
120 |
annual |
|
|
|
|
|
71432 |
benzene |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
71556 |
methyl chloroform |
|
FINAL |
6000 |
24 hr |
|
|
|
|
|
72548 |
DDD (TDE) |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
72559 |
DDE, p,p'- |
12 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
74839 |
methyl bromide |
|
FINAL |
5 |
annual |
|
|
|
|
|
75503 |
trimethylamine |
|
FINAL |
120 |
8 hr |
|
|
|
|
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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 |
|
|
|
|
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75650 |
tert-butyl alcohol |
|
FINAL |
|
|
|
|
7 |
70 |
annual |
75683 |
1-chloro-1,1-difluoroethane |
|
FINAL |
50000 |
annual |
|
|
|
|
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75694 |
trichlorofluoromethane |
|
FINAL |
130 |
annual |
56200 |
1 hr |
|
|
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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 lehnerD@michigan.gov or (517) 582-3779. |
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