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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 1 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
60344 methyl hydrazine   FINAL 0.03 annual     0.0087 0.087 annual
62533 aniline   FINAL 1 annual 76 8 hr 0.6 6 annual
62737 dichlorvos 3 FINAL 0.5 annual          
63058 androstenedione   FINAL 17 annual          
64028 ethylenediamine tetra-acetic acid, tetrasodium salt   FINAL 0.1 annual          
64040 beta phenylethylamine   FINAL 0.1 annual          
64186 formic acid   FINAL 2 annual          
64675 diethyl sulfate   FINAL 1 annual          
66251 hexanaldehyde   FINAL 2 annual          
67630 isopropyl alcohol   FINAL 220 annual          
67685 dimethylsulfoxide   FINAL 20 annual          
67721 hexachloroethane 13 FINAL 30 annual 1600 8 hr 0.1 1 annual
68122 N,N-dimethylformamide   FINAL 30 annual          
71363 n-butanol   FINAL 350 annual          
71410 amyl alcohol   FINAL 120 annual          
71432 benzene   FINAL 30 annual 30 24 hr 0.1 1 annual
74839 methyl bromide   FINAL 5 annual          
0 heptamethyl-1-vinyl-1,7-dichlorotetrasilazane   FINAL 0.1 annual          
0 amyl acetate (mixture)   FINAL 1100 annual          
0 atlox 848   FINAL 0.1 annual          
0 n-chloro-2,6-difluorobenzamide   FINAL 0.1 annual          
0 triethylammonium suleptanate   FINAL 17 annual          
0 jet fuels 44 FINAL 200 annual 2000 8 hr      
0 epoxy resin solution   FINAL 6 annual          
0 n-butylglucamine   FINAL 6.4 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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