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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 36 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
14579034 cyclopentyltrichlorosilane   FINAL 0.1 annual          
145733 endothall   FINAL              
144796 diphenylmethylchlorosilane   FINAL 0.1 annual          
144669045 hexenylsiloxanes   FINAL 16 annual          
144669034 hexenylsiloxane   FINAL 16 annual          
14464461 silica cristobalite 31 FINAL 3 annual          
144627 oxalic acid   FINAL 10 8 hr          
1445450 trimethyl-o-acetate   FINAL 24 annual          
143293 butylcarbitol formal   FINAL 0.1 annual          
143226 triethylene glycol butyl ether   FINAL 18 annual          
142961 dibutyl ether   FINAL 33 annual          
142847 di-n-propylamine   FINAL 1.5 annual          
142825 heptane   FINAL 3500 8 hr          
142712 cupric acetate   FINAL 2 8 hr          
142596 ethylene bisthiocarbamate disodium   FINAL 1 annual          
142290 cyclopentene   FINAL 5 annual          
141979 ethyl acetoacetate   FINAL 46 annual          
141913 2,6-dimethyl morpholine   FINAL 377 annual          
141797 mesityl oxide   FINAL 400 8 hr          
141786 ethyl acetate   FINAL 3200 annual          
141639 linear dimethylsiloxanes,MD3M(&higher)   FINAL 0.1 annual          
141628 decamethyltetrasiloxane   FINAL 0.1 annual          
141435 ethanolamine   FINAL 80 8 hr          
141322 butyl acrylate   FINAL 100 8 hr          
140885 ethyl acrylate   FINAL 120 annual 200 8 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 [email protected] or (517) 582-3779.


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