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 6 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 |
| 108327 |
propylene carbonate |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 96377 |
methylcyclopentane |
|
FINAL |
700 |
24 hr |
|
|
|
|
|
| 80626 |
methyl methacrylate |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 85687 |
butyl benzyl phthalate |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 96173 |
2-methylbutyraldehyde |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 75150 |
carbon disulfide |
|
FINAL |
700 |
annual |
|
|
|
|
|
| 1589475 |
2-methoxy-1-propanol |
|
FINAL |
660 |
annual |
|
|
|
|
|
| 7632044 |
sodium perborate |
40 |
FINAL |
610 |
1 hr |
|
|
|
|
|
| 75127 |
formamide |
|
FINAL |
600 |
annual |
|
|
0.2 |
2 |
annual |
| 97869 |
isobutyl methacrylate |
|
FINAL |
600 |
annual |
|
|
|
|
|
| 97881 |
n-butyl methacrylate |
|
FINAL |
569 |
annual |
|
|
|
|
|
| 111842 |
n-nonane |
|
FINAL |
550 |
annual |
|
|
|
|
|
| 1303862 |
boron oxide |
40 |
FINAL |
520 |
1 hr |
|
|
|
|
|
| 1702176 |
clopyralid |
|
FINAL |
500 |
annual |
|
|
|
|
|
| 75343 |
1,1-dichloroethane |
|
FINAL |
500 |
annual |
|
|
|
|
|
| 70657704 |
2-methoxy-1-propanol acetate |
|
FINAL |
500 |
24 hr |
|
|
|
|
|
| 98862 |
acetophenone |
|
FINAL |
490 |
8 hr |
|
|
|
|
|
| 56235 |
carbon tetrachloride |
|
FINAL |
480 |
annual |
|
|
0.17 |
1.7 |
annual |
| 117840 |
di-n-octyl phthalate |
|
FINAL |
470 |
annual |
|
|
|
|
|
| 10043353 |
boric acid |
40 |
FINAL |
460 |
1 hr |
|
|
|
|
|
| 620235 |
m-tolualdehyde |
20 |
FINAL |
440 |
annual |
|
|
|
|
|
| 104870 |
p-tolualdehyde |
20 |
FINAL |
440 |
annual |
|
|
|
|
|
| 96479 |
2-methyltetrahydrofuran |
|
FINAL |
420 |
annual |
|
|
|
|
|
| 4444671 |
di-sec-butylamine |
|
FINAL |
417 |
annual |
|
|
|
|
|
| 98828 |
cumene |
|
FINAL |
400 |
annual |
|
|
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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