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 44 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 |
| 74997 |
methyl acetylene |
|
FINAL |
16500 |
8 hr |
|
|
|
|
|
| 74884 |
methyl iodide |
|
FINAL |
120 |
8 hr |
|
|
|
|
|
| 74895 |
methylamine |
|
FINAL |
64 |
8 hr |
|
|
|
|
|
| 71238 |
n-propyl alcohol |
|
FINAL |
2500 |
8 hr |
|
|
|
|
|
| 67641 |
acetone |
|
FINAL |
5900 |
8 hr |
|
|
|
|
|
| 65850 |
benzoic acid |
|
FINAL |
5 |
8 hr |
|
|
|
|
|
| 60297 |
ethyl ether |
|
FINAL |
12000 |
8 hr |
|
|
|
|
|
| 56815 |
glycerol |
|
FINAL |
100 |
8 hr |
|
|
|
|
|
| 57114 |
stearic acid |
|
FINAL |
100 |
8 hr |
|
|
|
|
|
| 50000 |
formaldehyde |
|
FINAL |
30 |
24 hr |
|
|
0.08 |
0.8 |
annual |
| 67561 |
methanol |
|
FINAL |
20000 |
24 hr |
28000 |
1 hr |
|
|
|
| 71556 |
methyl chloroform |
|
FINAL |
6000 |
24 hr |
|
|
|
|
|
| 75003 |
ethyl chloride |
|
FINAL |
10000 |
24 hr |
|
|
|
|
|
| 75296 |
2-chloropropane |
|
FINAL |
100 |
24 hr |
|
|
|
|
|
| 76131 |
1,1,2-trichloro-1,2,2-trifluoroethane |
|
FINAL |
19140 |
24 hr |
|
|
|
|
|
| 50328 |
benzo(a)pyrene |
5 |
FINAL |
0.002 |
24 hr |
|
|
0.001 |
0.01 |
annual |
| 78933 |
methyl ethyl ketone |
|
FINAL |
5000 |
24 hr |
|
|
|
|
|
| 79016 |
trichloroethylene |
|
FINAL |
2 |
24 hr |
|
|
0.2 |
2 |
annual |
| 79061 |
acrylamide |
|
FINAL |
6 |
24 hr |
|
|
0.005 |
0.05 |
annual |
| 88755 |
2-nitrophenol |
|
FINAL |
18 |
24 hr |
|
|
|
|
|
| 95578 |
2-chlorophenol |
|
FINAL |
18 |
24 hr |
|
|
|
|
|
| 96128 |
dibromochloropropane |
|
FINAL |
0.2 |
24 hr |
|
|
0.0001 |
0.001 |
annual |
| 96480 |
gamma-butyrolactone |
|
FINAL |
280 |
24 hr |
|
|
|
|
|
| 96377 |
methylcyclopentane |
|
FINAL |
700 |
24 hr |
|
|
|
|
|
| 100414 |
ethylbenzene |
|
FINAL |
1000 |
24 hr |
|
|
0.4 |
4 |
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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