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 2 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 |
| 7782505 |
chlorine |
13 |
FINAL |
0.3 |
annual |
500 |
8 hr |
|
|
|
| 8008206 |
kerosene |
44 |
FINAL |
200 |
annual |
2000 |
8 hr |
|
|
|
| 64742149 |
petroleum distillates, acid treated |
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 |
|
|
|
| 68410979 |
high benzene naphtha hydrotreated c6-c8 fraction |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
| 90076656 |
lithium bis(trifluoromethanesulfonyl)imide |
13 |
FINAL |
1 |
annual |
40 |
24 hr |
|
|
|
| 7783064 |
hydrogen sulfide |
|
FINAL |
10 |
annual |
100 |
24 hr |
|
|
|
| 7439976 |
mercury and mercury compounds |
7 |
FINAL |
0.3 |
annual |
1 |
24 hr |
|
|
|
| 624920 |
dimethyl disulfide |
|
FINAL |
16 |
annual |
1200 |
24 hr |
|
|
|
| 632224 |
tetramethyl urea |
13 |
FINAL |
0.8 |
annual |
230 |
24 hr |
|
|
|
| 115106 |
dimethyl ether |
|
FINAL |
740 |
annual |
1900 |
24 hr |
|
|
|
| 127184 |
tetrachloroethylene |
13 |
FINAL |
40 |
annual |
1400 |
24 hr |
4 |
40 |
annual |
| 112243 |
triethylene tetramine |
|
FINAL |
8 |
annual |
3700 |
24 hr |
|
|
|
| 106912 |
glycidyl methacrylate |
13 |
FINAL |
0.8 |
annual |
16 |
24 hr |
|
|
|
| 71432 |
benzene |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
| 79005 |
1,1,2-trichloroethane |
|
FINAL |
11 |
annual |
160 |
24 hr |
0.063 |
0.63 |
annual |
| 75785 |
dimethyldichlorosilane |
|
FINAL |
1 |
annual |
3700 |
1 hr |
|
|
|
| 67561 |
methanol |
|
FINAL |
20000 |
24 hr |
28000 |
1 hr |
|
|
|
| 57125 |
cyanide |
13 |
FINAL |
0.8 |
annual |
50 |
1 hr |
|
|
|
| 75092 |
methylene chloride |
13 |
FINAL |
2000 |
annual |
14000 |
1 hr |
60 |
600 |
annual |
| 104154 |
p-toluenesulfonic acid |
9 13 |
FINAL |
1.8 |
annual |
210 |
1 hr |
|
|
|
| 107028 |
acrolein |
13 |
FINAL |
0.4 |
annual |
5 |
1 hr |
|
|
|
|
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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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