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 1 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 |
| 431890 |
hfc-227ea |
13 |
FINAL |
130000 |
annual |
5560000 |
1 hr |
|
|
|
| 75694 |
trichlorofluoromethane |
|
FINAL |
130 |
annual |
56200 |
1 hr |
|
|
|
| 75718 |
dichlorodifluoromethane |
|
FINAL |
330 |
annual |
49500 |
8 hr |
|
|
|
| 67561 |
methanol |
|
FINAL |
20000 |
24 hr |
28000 |
1 hr |
|
|
|
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 19430934 |
perfluorobutylethylene |
|
FINAL |
2600 |
annual |
10000 |
8 hr |
|
|
|
| 123911 |
1,4-dioxane |
|
FINAL |
100 |
annual |
7200 |
1 hr |
0.2 |
2 |
annual |
| 1066359 |
dimethylchlorosilane |
36 |
FINAL |
52 |
annual |
5400 |
1 hr |
|
|
|
| 123922 |
isoamyl acetate |
|
FINAL |
2700 |
8 hr |
5300 |
1 hr |
|
|
|
| 108907 |
chlorobenzene |
|
FINAL |
50 |
annual |
4400 |
8 hr |
|
|
|
| 112243 |
triethylene tetramine |
|
FINAL |
8 |
annual |
3700 |
24 hr |
|
|
|
| 75785 |
dimethyldichlorosilane |
|
FINAL |
1 |
annual |
3700 |
1 hr |
|
|
|
| 4109960 |
dichlorosilane |
36 |
FINAL |
28 |
annual |
2900 |
1 hr |
|
|
|
| 7647010 |
hydrogen chloride |
13 |
FINAL |
20 |
annual |
2100 |
1 hr |
|
|
|
| 10026047 |
silicon tetrachloride |
36 |
FINAL |
20 |
annual |
2000 |
1 hr |
|
|
|
| 8008206 |
kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742149 |
petroleum distillates, acid treated |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 8020835 |
deodorized kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742967 |
solvent naphtha (petroleum) heavy aliphatic |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742478 |
hydrotreated light distillate |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742810 |
hydrodesulfurized kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742310 |
chemically neutralized light distillates |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 0 |
jet fuels |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 115106 |
dimethyl ether |
|
FINAL |
740 |
annual |
1900 |
24 hr |
|
|
|
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
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 [email protected] or (517) 582-3779. |
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