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 3 of 52 - 1277 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 |
| 1309484 |
magnesium oxide |
38 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 1066359 |
dimethylchlorosilane |
36 |
FINAL |
52 |
annual |
5400 |
1 hr |
|
|
|
| 4109960 |
dichlorosilane |
36 |
FINAL |
28 |
annual |
2900 |
1 hr |
|
|
|
| 10026047 |
silicon tetrachloride |
36 |
FINAL |
20 |
annual |
2000 |
1 hr |
|
|
|
| 38436167 |
perfluorobutylethylmethyldichlorosilane |
36 |
FINAL |
2 |
annual |
|
|
|
|
|
| 7440393 |
barium and soluble barium compounds |
35 |
FINAL |
5 |
8 hr |
|
|
|
|
|
| 7446084 |
selenium dioxide |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 7782492 |
selenium and inorganic selenium compounds |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 7783008 |
selenious acid |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 7488564 |
selenium disulfide |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 10102188 |
sodium selenite |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 13410010 |
selenic acid |
34 |
FINAL |
2 |
8 hr |
|
|
|
|
|
| 1746016 |
2,3,7,8-tetrachlorodibenzo(p)dioxin |
33 |
FINAL |
0.000002 |
annual |
|
|
0.000000023 |
0.00000023 |
annual |
| 7723140 |
phosphorus |
32 |
FINAL |
20 |
24 hr |
|
|
|
|
|
| 1317959 |
silica tripoli |
31 |
FINAL |
3 |
annual |
|
|
|
|
|
| 14808607 |
silica quartz |
31 |
FINAL |
3 |
annual |
|
|
|
|
|
| 14464461 |
silica cristobalite |
31 |
FINAL |
3 |
annual |
|
|
|
|
|
| 15468323 |
silica tridymite |
31 |
FINAL |
3 |
annual |
|
|
|
|
|
| 1319773 |
cresol (mixed isomers) |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 95487 |
o-cresol |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 106445 |
p-cresol |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 95749 |
3-chloro-p-toluidine |
30 |
FINAL |
2 |
annual |
|
|
|
|
|
| 108394 |
3-methylphenol |
30 |
FINAL |
100 |
8 hr |
|
|
|
|
|
| 593602 |
vinyl bromide |
3 |
FINAL |
30 |
annual |
|
|
|
|
|
| 62737 |
dichlorvos |
3 |
FINAL |
0.5 |
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 [email protected] or (517) 582-3779. |
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