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 2 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 |
| 8020835 |
deodorized kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 8008206 |
kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742967 |
solvent naphtha (petroleum) heavy aliphatic |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742310 |
chemically neutralized light distillates |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742478 |
hydrotreated light distillate |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 2634335 |
1,2-Benzisothiazol-3(2H)-one |
43 |
FINAL |
|
|
|
|
|
|
|
| 1302427 |
sodium aluminate |
43 |
FINAL |
|
|
|
|
|
|
|
| 7440484 |
cobalt and cobalt compounds that release cobalt ions |
42 |
FINAL |
0.2 |
8 hr |
|
|
0.00013 |
0.0013 |
annual |
| 136527 |
cobalt 2-ethylhexanoate |
42 |
FINAL |
0.2 |
8 hr |
|
|
0.00013 |
0.0013 |
annual |
| 7681494 |
sodium fluoride |
41 |
FINAL |
60 |
8 hr |
|
|
|
|
|
| 7632044 |
sodium perborate |
40 |
FINAL |
610 |
1 hr |
|
|
|
|
|
| 10043353 |
boric acid |
40 |
FINAL |
460 |
1 hr |
|
|
|
|
|
| 1303862 |
boron oxide |
40 |
FINAL |
520 |
1 hr |
|
|
|
|
|
| 121437 |
trimethoxyborine |
40 |
FINAL |
770 |
1 hr |
|
|
|
|
|
| 0 |
biosam tp-1.5 |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 9014011 |
subtilisin |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 9000902 |
alpha-amylase |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 9001927 |
bacillus subtilis neutral protease |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 7664417 |
ammonia |
39 |
FINAL |
350 |
1 hr |
|
|
|
|
|
| 1336216 |
ammonium hydroxide |
39 |
FINAL |
720 |
1 hr |
|
|
|
|
|
| 7439954 |
magnesium |
38 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 10377603 |
magnesium nitrate |
38 |
FINAL |
|
|
|
|
|
|
|
| 1309428 |
magnesium hydroxide |
38 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 1309484 |
magnesium oxide |
38 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 1763231 |
perfluorooctane sulfonic acid (pfos) |
37 |
FINAL |
0.07 |
24 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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