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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 - 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
75365 acetyl chloride   FINAL 0.1 annual          
75376 1,1-difluoroethane   FINAL 400000 annual          
75387 vinylidene fluoride   FINAL 30 annual          
75445 phosgene   FINAL 0.3 annual          
75456 chlorodifluoromethane   FINAL 50000 annual          
0 triethylammonium suleptanate   FINAL 17 annual          
0 biosam tp-1.5 4 FINAL 0.02 1 hr          
0 amyl acetate (mixture)   FINAL 1100 annual          
0 heptamethyl-1-vinyl-1,7-dichlorotetrasilazane   FINAL 0.1 annual          
0 n-butylglucamine   FINAL 6.4 annual          
0 jet fuels 44 FINAL 200 annual 2000 8 hr      
0 epoxy resin solution   FINAL 6 annual          
0 n-chloro-2,6-difluorobenzamide   FINAL 0.1 annual          
0 atlox 848   FINAL 0.1 annual          
50000 formaldehyde   FINAL 30 24 hr     0.08 0.8 annual
50033 hydrocortisone acetate   FINAL 15 annual          
50215 lactic acid   FINAL 7 annual          
50282 estradiol   FINAL 0.1 annual          
50293 ddt 12 FINAL         0.01 0.1 annual
50328 benzo(a)pyrene 5 FINAL 0.002 24 hr     0.001 0.01 annual
51285 2,4-dinitrophenol   FINAL 7 annual          
53361 methyl predisolone acetate   FINAL 43 annual          
53703 dibenz(a,h)anthracene 5 FINAL             annual
56235 carbon tetrachloride   FINAL 480 annual     0.17 1.7 annual
56495 3-methylcholanthrene 5 FINAL              
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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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