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Michigan Air Toxics System
Initial Threshold Screening Level/Initial Risk Screening Level (ITSL/IRSL)
Toxics Screening Level Query Results

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.

Page 49 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
78079 ethyltriethoxysilane   FINAL 44 annual          
78104 ethyl silicate   FINAL 850 8 hr          
78513 Tris (2-butoxyethyl) Phosphate   FINAL 8 annual          
78591 isophorone   FINAL 280 1 hr     3.7 37 annual
78784 2-methyl butane   FINAL 17700 8 hr          
78795 isoprene   FINAL         0.02 0.2 annual
78831 isobutyl alcohol   FINAL 1500 8 hr          
78842 isobutyraldehyde   FINAL 160 annual          
78875 propylene dichloride   FINAL 4 annual     0.2 2 annual
78922 sec-butyl alcohol   FINAL 3000 8 hr          
78933 methyl ethyl ketone   FINAL 5000 24 hr          
78966 monoisopropanolamine   FINAL 15 annual          
71556 methyl chloroform   FINAL 6000 24 hr          
72548 DDD (TDE) 12 FINAL         0.01 0.1 annual
72559 DDE, p,p'- 12 FINAL         0.01 0.1 annual
74839 methyl bromide   FINAL 5 annual          
0 heptamethyl-1-vinyl-1,7-dichlorotetrasilazane   FINAL 0.1 annual          
0 amyl acetate (mixture)   FINAL 1100 annual          
0 atlox 848   FINAL 0.1 annual          
0 n-chloro-2,6-difluorobenzamide   FINAL 0.1 annual          
0 biosam tp-1.5 4 FINAL 0.02 1 hr          
0 triethylammonium suleptanate   FINAL 17 annual          
91178 decahydronaphthalene   FINAL         0.03 0.3 annual
60297 ethyl ether   FINAL 12000 8 hr          
60344 methyl hydrazine   FINAL 0.03 annual     0.0087 0.087 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 lehnerD@michigan.gov or (517) 582-3779.


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