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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 1 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
91203 naphthalene   FINAL 3 annual 520 8 hr 0.08 0.8 annual
91225 quinoline   FINAL         0.001 0.01 annual
91441 7-diethylamino-4-methyl coumarin   FINAL 16 annual          
91576 2-methylnaphthalene   FINAL 10 annual          
91598 2-naphthylamine   FINAL         0.00013 0.0013 annual
91941 dichlorobenzidine   FINAL         0.002 0.02 annual
92524 biphenyl   FINAL 13 8 hr     0.43 4.3 annual
92875 benzidine   FINAL         0.00002 0.0002 annual
93141 guaifenesin   FINAL 5 annual          
93583 methyl benzoate   FINAL 4 annual          
93594 peroxybenzoic acid   FINAL 0.1 annual          
93834 oleoyl diethanolamine   FINAL 3 annual          
94757 2,4-D   FINAL 35 annual 100 8 hr      
94962 2-ethyl-1,3-hexanediol   FINAL 30 annual          
95169 benzothiazole   FINAL 1 annual          
95385 oyel hydroxyethylimidazoline   FINAL 2 annual          
95476 o-xylene 2 FINAL 390 annual          
95487 o-cresol 30 FINAL 100 8 hr          
95498 monochlorotoluene   FINAL 70 annual          
95501 1,2-dichlorobenzene   FINAL 300 annual          
95512 2-chloroaniline   FINAL 10 annual          
95534 o-toluidine   FINAL         0.07 0.7 annual
95578 2-chlorophenol   FINAL 18 24 hr          
95636 1,2,4-trimethylbenzene 14 FINAL 185 annual 1200 8 hr      
95658 3,4-dimethyl phenol   FINAL 3.5 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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