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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 20 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
67685 dimethylsulfoxide   FINAL 20 annual          
166524658 2-ethoxy-4,6-difluoropyrimidine   FINAL 20 annual          
68410004 distillates (petroleum), crude oil   FINAL 19 annual          
122203 triisopropanolamine (tipa)   FINAL 19 annual          
533744 dazomet   FINAL 19 annual          
143226 triethylene glycol butyl ether   FINAL 18 annual          
156592 cis-1,2-dichloroethylene   FINAL 18 annual          
137268 thiram   FINAL 18 annual          
112152 diethylene glycol monoethyl ether acetate 10 FINAL 18 annual          
107186 allyl alcohol   FINAL 18 annual          
103117 2-ethylhexyl acrylate   FINAL 18 annual          
95578 2-chlorophenol   FINAL 18 24 hr          
88755 2-nitrophenol   FINAL 18 24 hr          
64741420 naphtha, full range straight run   FINAL 18 annual          
9016459 igepal co-630   FINAL 18 annual          
64485821 thiazole ester   FINAL 17 annual          
60966361 bisnoralcohol   FINAL 17 annual          
1156190 tolazamide   FINAL 17 annual          
629732 1-hexadecene   FINAL 17 annual          
981340 betamethasone 11   FINAL 17 annual          
0 triethylammonium suleptanate   FINAL 17 annual          
63058 androstenedione   FINAL 17 annual          
107686 n-methyl taurine   FINAL 17 annual          
505486 suberic acid   FINAL 17 annual          
103335542 4-aza acid   FINAL 17 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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