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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 13 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
126307 neopentyl glycol   FINAL 0.1 annual          
126998 beta-chloroprene   FINAL 20 annual     0.002 0.02 annual
127184 tetrachloroethylene 13 FINAL 40 annual 1400 24 hr 4 40 annual
127195 dimethyl acetamide   FINAL 100 annual          
129000 pyrene   FINAL 100 annual          
132649 dibenzofuran   FINAL 40 annual          
135988 sec-butylbenzene   FINAL 6 annual          
136470 tetracaine hyrochloride   FINAL 0.3 annual          
137268 thiram   FINAL 18 annual          
137326 2-methyl-1-butanol   FINAL 13 annual          
140318 aminoethylpiperazine   FINAL 0.1 annual          
140885 ethyl acrylate   FINAL 120 annual 200 8 hr      
141628 decamethyltetrasiloxane   FINAL 0.1 annual          
141639 linear dimethylsiloxanes,MD3M(&higher)   FINAL 0.1 annual          
141786 ethyl acetate   FINAL 3200 annual          
141913 2,6-dimethyl morpholine   FINAL 377 annual          
141979 ethyl acetoacetate   FINAL 46 annual          
142290 cyclopentene   FINAL 5 annual          
142596 ethylene bisthiocarbamate disodium   FINAL 1 annual          
142847 di-n-propylamine   FINAL 1.5 annual          
142961 dibutyl ether   FINAL 33 annual          
143226 triethylene glycol butyl ether   FINAL 18 annual          
143293 butylcarbitol formal   FINAL 0.1 annual          
144796 diphenylmethylchlorosilane   FINAL 0.1 annual          
147148 copper phthalocyanine   FINAL 21 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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