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 24 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 |
| 68410979 |
high benzene naphtha hydrotreated c6-c8 fraction |
|
FINAL |
30 |
annual |
30 |
24 hr |
0.1 |
1 |
annual |
| 431890 |
hfc-227ea |
13 |
FINAL |
130000 |
annual |
5560000 |
1 hr |
|
|
|
| 107415 |
hexylene glycol |
|
FINAL |
1210 |
1 hr |
|
|
|
|
|
| 144669045 |
hexenylsiloxanes |
|
FINAL |
16 |
annual |
|
|
|
|
|
| 144669034 |
hexenylsiloxane |
|
FINAL |
16 |
annual |
|
|
|
|
|
| 69696986 |
hexane 1,6-bis(tributyl ammonium bromi |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 66251 |
hexanaldehyde |
|
FINAL |
2 |
annual |
|
|
|
|
|
| 100970 |
hexamethylenetetramine |
|
FINAL |
100 |
annual |
|
|
|
|
|
| 822060 |
hexamethylene diisocyanate |
|
FINAL |
0.2 |
annual |
0.3 |
8 hr |
|
|
|
| 107460 |
hexamethyldisiloxane |
|
FINAL |
240 |
annual |
|
|
|
|
|
| 999973 |
hexamethyldisilazane |
|
FINAL |
206 |
annual |
|
|
|
|
|
| 541059 |
hexamethylcyclotrisiloxane |
|
FINAL |
50 |
annual |
|
|
|
|
|
| 1009934 |
hexamethylcyclotrisilazane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 12021953 |
hexafluorozirconium acid |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 67721 |
hexachloroethane |
13 |
FINAL |
30 |
annual |
1600 |
8 hr |
0.1 |
1 |
annual |
| 13465775 |
hexachlorodisilane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 77474 |
hexachlorocyclopentadiene |
|
FINAL |
0.2 |
annual |
|
|
|
|
|
| 87683 |
hexachlorobutadiene |
|
FINAL |
|
|
|
|
0.05 |
0.5 |
annual |
| 118741 |
hexachlorobenzene |
|
FINAL |
0.35 |
24 hr |
|
|
0.0022 |
0.022 |
annual |
| 142825 |
heptane |
|
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 1873887 |
heptamethyltrisiloxane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 0 |
heptamethyl-1-vinyl-1,7-dichlorotetrasilazane |
|
FINAL |
0.1 |
annual |
|
|
|
|
|
| 76448 |
heptachlor |
|
FINAL |
|
|
|
|
0.0008 |
0.008 |
annual |
| 68551177 |
heavy naphtha |
1 |
FINAL |
3500 |
8 hr |
|
|
|
|
|
| 64741680 |
heavy catalytic reformed naphtha |
|
FINAL |
70 |
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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