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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 23 of 52 - 1277 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
123333539 1-hydroxy benzotriazole   FINAL 0.1 annual          
126803734 n-(2,6-dichloro-3-methylphenyl)-5,7-dimethyoxy(1,2,4)triazo...[de-511]   FINAL 0.1 annual          
129879841 5-amino-1,2,4-triazole-3-sulfonyl chloride   FINAL 7 annual          
130014389 trifluoropropylsilsesquioxane, dimethylhydrogensilyoxy-terminated   FINAL 0.1 annual          
136797563 FC-247   FINAL              
136816756 atevirdane mesylate   FINAL 16 annual          
139147732 dicyclopentyldichlorosilane   FINAL 0.1 annual          
144669034 hexenylsiloxane   FINAL 16 annual          
144669045 hexenylsiloxanes   FINAL 16 annual          
166524658 2-ethoxy-4,6-difluoropyrimidine   FINAL 20 annual          
166524750 2,2'-dithiobis(5-ethoxy-7-fluoro[1,2,4]triazolo(1,5-c)pyrimidine   FINAL 0.8 annual          
170557434 dowanol tmh-deg borate ester   FINAL 32 annual          
63716405 n-butoxy propanol (mixed isomers) 23 FINAL 77 annual          
63937304 anhydro-dimethylamino hexose reductone   FINAL 0.6 annual          
64248620 3,4-difluorobenzonitrile   FINAL 0.6 annual          
64265572 crosslinker cx100   FINAL 10 annual          
64475850 mineral spirits 1 FINAL 3500 8 hr          
64485821 thiazole ester   FINAL 17 annual          
64741419 naphtha heavy straight run 1 FINAL 3500 8 hr          
64741420 naphtha, full range straight run   FINAL 18 annual          
64741442 straight run middle distillate   FINAL 36 annual          
64741544 naphtha, heavy catalytic cracked   FINAL 115 annual          
64741555 naphtha (petroleum), light catalytic cracked 25 FINAL 5600 annual          
64741566 residues, (petroleum), vacuum   FINAL 16 annual          
64741599 distillates, (petroleum), light catalytic cracked 24 FINAL 93 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 [email protected] or (517) 582-3779.


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