Link to MDEQ Home Link to Michigan.gov
Michigan.gov Home EGLE Home | Michigan Air Permits System Home


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 3 of 51 - 1274 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
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          
80568 pinene, alpha 18 FINAL 1120 8 hr          
80626 methyl methacrylate   FINAL 700 annual          
80739 n,n'-dimethylethyleneurea   FINAL 0.1 annual          
82688 pentachloronitrobenzene   FINAL 11 annual          
83329 acenaphthene   FINAL 210 annual          
84662 diethyl phthalate   FINAL 2800 annual          
84742 dibutyl phthalate   FINAL 50 8 hr          
85018 phenanthrene   FINAL 0.1 annual          
85449 phthalic anhydride   FINAL 20 annual          
85687 butyl benzyl phthalate   FINAL 700 annual          
86737 fluorene   FINAL 140 annual          
86748 carbazole   FINAL         0.4 4 annual
87616 1,2,3-trichlorobenzene   FINAL 27 annual          
87627 2,6-xylidine   FINAL         0.78 7.8 annual
87650 2,6-dichlorophenol   FINAL 3.8 annual          
87683 hexachlorobutadiene   FINAL         0.05 0.5 annual
87865 pentachlorophenol   FINAL 20 annual     0.009 0.09 annual
87901 1,3,5-trichloroisocyanuric acid   FINAL 2 annual          
[<-- First Page]  [<- Previous Page]  [Next Page ->] [Last Page -->] 

    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  

 
Back to Main Search Page

For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 582-3779.


Michigan.gov Home  |   EGLE_Home  |   BFS_Home  |   Online Services  |   Contact EGLE  |   ADA  |   FOIA  |   Contact BFS  |   State Web Sites  |   Policies