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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 22 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
629118 1,6-hexanediol   FINAL 14 annual          
7722841 hydrogen peroxide   FINAL 14 8 hr          
7664393 hydrogen fluoride 13 FINAL 14 annual 240 1 hr      
4435534 butoxyl   FINAL 14 annual          
5888335 iso-bornyl acrylate   FINAL 14 annual          
64742821 naphtha (petroleum) hydrodesulfurized heavy   FINAL 14 annual          
56539663 3-methoxy-3methyl-1butanol   FINAL 13 annual          
9004744 polyethylene glycol methyl ether   FINAL 13 annual          
92524 biphenyl   FINAL 13 8 hr     0.43 4.3 annual
75081 ethyl mercaptan   FINAL 13 1 hr          
191242 benzo(g,h,i)perylene   FINAL 13 annual          
137326 2-methyl-1-butanol   FINAL 13 annual          
70914204 c6-8 branched alcohols   FINAL 13 annual          
68477316 aromatic petroleum derivative solvent   FINAL 13 annual          
9002920 polyoxyethylene lauryl ether   FINAL 12 annual          
64741624 clarified oils (petroleum), catalytic cracked   FINAL 12 annual          
634902 1,2,3,5-tetrachlorobenzene   FINAL 12 annual          
18063031 2,6-difluorobenzamide   FINAL 11 annual          
120832 2,4-dichlorophenol   FINAL 11 24 hr          
79005 1,1,2-trichloroethane   FINAL 11 annual 160 24 hr 0.063 0.63 annual
82688 pentachloronitrobenzene   FINAL 11 annual          
68956569 hydrocarbons, terpene processing by-products   FINAL 11 annual          
97658805 5-bp-bisenamine   FINAL 10 annual          
91576 2-methylnaphthalene   FINAL 10 annual          
95512 2-chloroaniline   FINAL 10 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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