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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 - 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
557051 zinc stearate   FINAL 50 8 hr          
1314132 zinc oxide   FINAL 20 8 hr          
7440655 yttrium   FINAL 10 8 hr          
8002093 yarmor pine oil   FINAL 10 annual          
9005703 witconol al 69-66   FINAL 0.1 annual          
8042475 white mineral oil 11 FINAL 50 8 hr          
8032324 VM & P naphtha 1 FINAL 3500 8 hr          
2768027 vinyltrimethoxysilane   FINAL 10 annual          
75945 vinyltrichlorosilane   FINAL 7 annual          
5507448 vinylmethyldiethoxysilane   FINAL 0.1 annual          
75387 vinylidene fluoride   FINAL 30 annual          
75354 vinylidene chloride (1,1-dichloroethylene)   FINAL 200 annual          
872366 vinylene carbonate   FINAL 0.1 annual          
30030252 vinylbenzylchloride   FINAL 2 annual          
25013154 vinyl toluene   FINAL 5 annual          
5906752 vinyl dimethylsilanol   FINAL 0.1 annual          
75014 vinyl chloride   FINAL 100 annual     0.11 1.1 annual
593602 vinyl bromide 3 FINAL 30 annual          
108054 vinyl acetate   FINAL 200 annual          
1314621 vanadium pentoxide   FINAL 0.5 1 hr          
3153262 vanadium oxide bis (2,4-pentanedionate)   FINAL 0.1 annual          
110623 valeraldehyde   FINAL 1760 8 hr          
8006642 turpentine 18 FINAL 1120 8 hr          
12070121 tungsten carbide 6 FINAL 50 8 hr          
51811382 tryfac 5556   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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