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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 2 of 51 - 1271 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
57158 chlorobutanol   FINAL 0.1 annual          
57410 phenytoin   FINAL         0.07 0.7 annual
57749 chlordane (technical)   FINAL 0.7 annual     0.01 0.1 annual
57830 progesterone   FINAL 0.1 annual          
57976 7,12-dimethylbenz(a)anthracene 5 FINAL              
58366 10,10'-oxybisphenoxarsine oxide   FINAL 0.2 annual          
60297 ethyl ether   FINAL 12000 8 hr          
60344 methyl hydrazine   FINAL 0.03 annual     0.0087 0.087 annual
60571 dieldrin   FINAL         0.0002 0.002 annual
62533 aniline   FINAL 1 annual 76 8 hr 0.6 6 annual
62737 dichlorvos 3 FINAL 0.5 annual          
62759 n-nitrosodimethylamine   FINAL         0.00007 0.0007 annual
63058 androstenedione   FINAL 17 annual          
64028 ethylenediamine tetra-acetic acid, tetrasodium salt   FINAL 0.1 annual          
64040 beta phenylethylamine   FINAL 0.1 annual          
64175 ethyl alcohol   FINAL 19000 1 hr          
64186 formic acid   FINAL 2 annual          
64197 acetic acid   FINAL 1200 1 hr          
64675 diethyl sulfate   FINAL 1 annual          
65850 benzoic acid 26 FINAL              
66251 hexanaldehyde   FINAL 2 annual          
67561 methanol   FINAL 20000 24 hr 28000 1 hr      
67630 isopropyl alcohol   FINAL 220 annual          
67641 acetone   FINAL 5900 8 hr          
67663 chloroform   FINAL         0.4 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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