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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 51 of 51 - 1270 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
78933 methyl ethyl ketone   FINAL 5000 24 hr          
78966 monoisopropanolamine   FINAL 15 annual          
79005 1,1,2-trichloroethane   FINAL 11 annual 160 24 hr 0.063 0.63 annual
79016 trichloroethylene   FINAL 2 24 hr     0.2 2 annual
79061 acrylamide   FINAL 6 24 hr     0.005 0.05 annual
79094 propionic acid   FINAL 300 8 hr          
79107 acrylic acid   FINAL 1 annual          
79118 chloroacetic acid   FINAL 20 8 hr          
79141 hydroxyacetic acid/ glycolic acid   FINAL 4 annual          
79209 methyl acetate   FINAL 6100 8 hr          
79243 nitroethane   FINAL 60 annual          
79298 2,3-dimethylbutane   FINAL 3500 8 hr          
79312 isobutyric acid   FINAL 0.9 annual          
79345 1,1,2,2-tetrachloroethane   FINAL         0.02 0.2 annual
79414 methacrylic acid   FINAL 30 annual          
79436 Dichloroacetic acid   FINAL 0.5 annual     0.07 0.7 annual
79469 2-nitropropane   FINAL 20 annual     0.00037 0.0037 annual
79925 camphene   FINAL 80 annual          
80159 cumene hydroperoxide   FINAL 6 annual          
80433 dicumyl peroxide   FINAL 0.1 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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