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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 4 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
16919316 ammonium hexafluorozirconate   FINAL 0.1 annual          
17557232 neopentyl glycol diglycidyl ether   FINAL 0.1 annual          
17639939 methyl chloroproprionate   FINAL 6 annual          
18063031 2,6-difluorobenzamide   FINAL 11 annual          
18300895 cinnamate   FINAL 0.1 annual          
18387194 1,1,2,4-tetramethyl-1-1-sila-2-aza-cyclopentane   FINAL 0.7 annual          
18395307 isobutyltrimethoxysilane   FINAL 200 annual          
18540299 chromium, hexavalent - mist   FINAL 0.008 annual     0.000083 0.00083 annual
18540299 chromium, hexavalent - particulate   FINAL 0.1 annual     0.000083 0.00083 annual
18868434 molybdenum dioxide   FINAL 30 8 hr          
19089475 propylene glycol monoethyl ether (alpha)   FINAL 23 annual          
8030306 naphtha 1 FINAL 4000 8 hr          
8032324 VM & P naphtha 1 FINAL 3500 8 hr          
8042475 white mineral oil 11 FINAL 50 8 hr          
8050097 colophony   FINAL 1 1 hr          
8052413 stoddard solvent 1 FINAL 3500 8 hr          
8052424 asphalt fumes 5 FINAL             annual
9000902 alpha-amylase 4 FINAL 0.02 1 hr          
9001927 bacillus subtilis neutral protease 4 FINAL 0.02 1 hr          
9002862 polyvinyl chloride   FINAL 5 annual          
9002920 polyoxyethylene lauryl ether   FINAL 12 annual          
9002931 triton x100   FINAL 0.15 annual          
9003116 methyl oxirane (pluronic p103)   FINAL 0.1 annual          
9003138 polyalkylene glycol monobutyl ether/ butoxypolypropylene glycol   FINAL 160 annual          
9003229 polyvinylchloride/polyvinylacetate 26 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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