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 |
| 1313991 |
Nickel Oxide |
|
FINAL |
|
|
|
|
0.006 |
0.06 |
annual |
| 1116547 |
n-nitrosodiethanolamine |
|
FINAL |
|
|
|
|
0.0012 |
0.012 |
annual |
| 1332214 |
asbestos |
16 |
FINAL |
|
|
|
|
0.000022 |
0.00022 |
annual |
| 1336363 |
polychlorinated biphenyls |
8 |
FINAL |
|
|
|
|
0.01 |
0.1 |
annual |
| 1746016 |
2,3,7,8-tetrachlorodibenzo(p)dioxin |
33 |
FINAL |
0.000002 |
annual |
|
|
0.000000023 |
0.00000023 |
annual |
| 3697243 |
5-methylchrysene |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 7440484 |
cobalt and cobalt compounds that release cobalt ions |
42 |
FINAL |
0.2 |
8 hr |
|
|
0.00013 |
0.0013 |
annual |
| 7440020 |
nickel |
|
FINAL |
|
|
|
|
0.006 |
0.06 |
annual |
| 1313275 |
molybdenum trioxide |
|
FINAL |
5 |
8 hr |
|
|
0.12 |
1.2 |
annual |
| 7440382 |
arsenic |
|
FINAL |
|
|
|
|
0.0002 |
0.002 |
annual |
| 7440417 |
beryllium |
|
FINAL |
0.02 |
24 hr |
|
|
0.0004 |
0.004 |
annual |
| 7440439 |
cadmium |
|
FINAL |
|
|
|
|
0.0006 |
0.006 |
annual |
| 7786814 |
Nickel Sulfate |
|
FINAL |
|
|
|
|
0.006 |
0.06 |
annual |
| 8001352 |
toxaphene |
|
FINAL |
|
|
|
|
0.003 |
0.03 |
annual |
| 8007452 |
coke oven emissions |
|
FINAL |
|
|
|
|
0.001 |
0.01 |
annual |
| 8052424 |
asphalt fumes |
5 |
FINAL |
|
|
|
|
|
|
annual |
| 10034932 |
hydrazine sulfate |
|
FINAL |
|
|
|
|
0.0008 |
0.008 |
annual |
| 14807966 |
talc |
|
FINAL |
|
|
|
|
0.8 |
8 |
annual |
| 12789036 |
chlordane (technical) |
|
FINAL |
0.7 |
annual |
|
|
0.01 |
0.1 |
annual |
| 12035722 |
nickel subsulfide |
|
FINAL |
|
|
|
|
0.0021 |
0.021 |
annual |
| 18540299 |
chromium, hexavalent - mist |
|
FINAL |
0.008 |
annual |
|
|
0.000083 |
0.00083 |
annual |
| 18540299 |
chromium, hexavalent - particulate |
|
FINAL |
0.1 |
annual |
|
|
0.000083 |
0.00083 |
annual |
| 19666309 |
oxadiazon |
|
FINAL |
|
|
|
|
0.05 |
0.5 |
annual |
| 26471625 |
toluene diisocyanate |
13 |
FINAL |
0.07 |
annual |
0.4 |
8 hr |
0.03 |
0.3 |
annual |
| 63449398 |
chlorinated paraffins |
|
FINAL |
|
|
|
|
0.03 |
0.3 |
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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