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 - 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 |
| 106934 |
1,2-dibromoethane |
|
FINAL |
9 |
annual |
|
|
0.002 |
0.02 |
annual |
| 106945 |
propyl bromide |
|
FINAL |
32 |
24 hr |
|
|
1.1 |
11 |
annual |
| 106990 |
1,3-butadiene |
|
FINAL |
33 |
annual |
|
|
0.03 |
0.3 |
annual |
| 108781 |
melamine |
|
FINAL |
|
|
|
|
1.5 |
15 |
annual |
| 110009 |
furan |
|
FINAL |
4 |
annual |
|
|
0.0002 |
0.002 |
annual |
| 111444 |
bis-2-chloroethylether |
|
FINAL |
|
|
|
|
0.003 |
0.03 |
annual |
| 106887 |
1,2-butylene oxide |
|
FINAL |
20 |
annual |
|
|
1.2 |
12 |
annual |
| 106898 |
epichlorohydrin |
|
FINAL |
1 |
annual |
|
|
0.8 |
8 |
annual |
| 107062 |
1,2-dichloroethane |
|
FINAL |
|
|
|
|
0.04 |
0.4 |
annual |
| 116143 |
tetrafluoroethylene |
|
FINAL |
|
|
|
|
0.4 |
4 |
annual |
| 117817 |
diethyl hexyl phthalate |
|
FINAL |
70 |
annual |
|
|
0.61 |
6.1 |
annual |
| 119619 |
benzophenone |
|
FINAL |
100 |
annual |
|
|
0.2 |
2 |
annual |
| 119904 |
3,3'-dimethoxybenzidine |
|
FINAL |
9.8 |
annual |
|
|
0.039 |
0.39 |
annual |
| 118741 |
hexachlorobenzene |
|
FINAL |
0.35 |
24 hr |
|
|
0.0022 |
0.022 |
annual |
| 121142 |
2,4-dinitrotoluene |
|
FINAL |
2 |
8 hr |
|
|
0.009 |
0.09 |
annual |
| 122601 |
phenyl glycidyl ether |
|
FINAL |
|
|
|
|
0.1 |
1 |
annual |
| 123319 |
hydroquinone |
|
FINAL |
140 |
annual |
|
|
0.058 |
0.58 |
annual |
| 123911 |
1,4-dioxane |
|
FINAL |
100 |
annual |
7200 |
1 hr |
0.2 |
2 |
annual |
| 124481 |
chlorodibromomethane |
|
FINAL |
70 |
annual |
|
|
0.042 |
0.42 |
annual |
| 121697 |
dimethylaniline |
|
FINAL |
|
|
|
|
0.085 |
0.85 |
annual |
| 126727 |
tris(2,3-dibromopropyl) phosphate |
|
FINAL |
|
|
|
|
0.002 |
0.02 |
annual |
| 126998 |
beta-chloroprene |
|
FINAL |
20 |
annual |
|
|
0.002 |
0.02 |
annual |
| 127184 |
tetrachloroethylene |
13 |
FINAL |
40 |
annual |
1400 |
24 hr |
4 |
40 |
annual |
| 128370 |
2,6-di-tert-butyl-p-cresol |
|
FINAL |
|
|
|
|
1 |
10 |
annual |
| 131179 |
diallyl phthalate |
|
FINAL |
|
|
|
|
0.1 |
1 |
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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