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.
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Page 47 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 |
| 7440417 |
beryllium |
|
FINAL |
0.02 |
24 hr |
|
|
0.0004 |
0.004 |
annual |
| 9000902 |
alpha-amylase |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 9001927 |
bacillus subtilis neutral protease |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 9014011 |
subtilisin |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 0 |
biosam tp-1.5 |
4 |
FINAL |
0.02 |
1 hr |
|
|
|
|
|
| 4719044 |
1,3,5-triazine-1,3,5(2h,4h,6h)-triethanol |
|
FINAL |
0.015 |
annual |
|
|
|
|
|
| 338987 |
isoflupredone acetate |
|
FINAL |
0.01 |
annual |
|
|
|
|
|
| 18540299 |
chromium, hexavalent - mist |
|
FINAL |
0.008 |
annual |
|
|
0.000083 |
0.00083 |
annual |
| 192972 |
Benzo(e)pyrene |
|
FINAL |
0.002 |
annual |
|
|
|
|
|
| 50328 |
benzo(a)pyrene |
5 |
FINAL |
0.002 |
24 hr |
|
|
0.001 |
0.01 |
annual |
| 1763231 |
perfluorooctane sulfonic acid (pfos) |
|
FINAL |
0.0004 |
24 hr |
|
|
|
|
|
| 335671 |
perfluorooctanoic acid (pfoa) |
|
FINAL |
0.0001 |
24 hr |
|
|
|
|
|
| 1746016 |
2,3,7,8-tetrachlorodibenzo(p)dioxin |
33 |
FINAL |
0.000002 |
annual |
|
|
0.000000023 |
0.00000023 |
annual |
| 1332214 |
asbestos |
16 |
FINAL |
|
|
|
|
0.000022 |
0.00022 |
annual |
| 1336363 |
polychlorinated biphenyls |
8 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 1116547 |
n-nitrosodiethanolamine |
|
FINAL |
|
|
|
|
0.0012 |
0.012 |
annual |
| 1119400 |
dimethyl glutarate |
27 |
FINAL |
|
|
|
|
|
|
|
| 1300727 |
sodium xylenesulfonate |
26 |
FINAL |
|
|
|
|
|
|
|
| 1302427 |
sodium aluminate |
43 |
FINAL |
|
|
|
|
|
|
|
| 1313991 |
Nickel Oxide |
|
FINAL |
|
|
|
|
0.006 |
0.06 |
annual |
| 621647 |
n-nitroso-di-n-propylamine |
|
FINAL |
|
|
|
|
0.0005 |
0.005 |
annual |
| 630206 |
1,1,1,2-tetrachloroethane |
|
FINAL |
|
|
|
|
0.1 |
1 |
annual |
| 684935 |
n-nitroso-n-methylurea |
|
FINAL |
|
|
|
|
0.000001 |
0.00001 |
annual |
| 637923 |
ethyl tertiary butyl ether |
|
FINAL |
|
|
|
|
0.00001 |
0.0001 |
annual |
| 2634335 |
1,2-Benzisothiazol-3(2H)-one |
43 |
FINAL |
|
|
|
|
|
|
|
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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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