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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.
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If a number appears in the "notes" column for a given, chemical, see the definition on the bottom of this page.
 
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Page 23 of 51 - 1269 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
108419358 c11-14 branched alkyl acetates   FINAL 300 annual          
109265716 Solsperse 12000   FINAL 0.1 annual          
110839139 1,3-benzenedimethanamine polymer with 2,2’-((1-methylethylidene) bis(4   FINAL 0.1 annual          
110888158 4-chloro-3-fluorobenzonitrile   FINAL 0.1 annual          
111109774 dipropylene glycol dimethyl ether   FINAL 59 annual          
111381896 branched and linear heptyl nonyl phthalate ester   FINAL 0.1 annual          
112926008 amorphous silica - precipitated silica and silica gel 28 FINAL 60 8 hr          
112945525 amorphous silica - pyrogenic or fumed silica 28 FINAL 60 8 hr          
113171123 n-(2,6-difluorophenyl)-5-amino-1h-1,2,4-triazole-3-sulfonamide   FINAL 0.1 annual          
117482845 3-chloro-4-fluorobenzonitrile   FINAL 2 annual          
123312549 distearyldimethylammonium bisulfate   FINAL 0.1 annual          
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          
64771728 norpar 12   FINAL 0.1 annual          
65402655 4-hydroxytetramethyl piperadine free radical (4-oh-tempo)   FINAL 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.
http://www.michigan.gov/documents/deq/deq-aqd-itslirsl-notes_457666_7.pdf  

 
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For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 284-6753.


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