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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 33 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
616386 dimethyl carbonate   FINAL 300 annual          
617947 phenyl isopropanol (2-phenyl-2-propanol)   FINAL 4 annual          
620235 m-tolualdehyde 20 FINAL 440 annual          
544252 1,3,5-cycloheptatriene   FINAL 0.18 annual          
546930 magnesium carbonate   FINAL 50 8 hr          
552454 alpha-chloro-ortho-xylene   FINAL 0.1 annual          
556672 octamethylcyclotetrasilo   FINAL 75 annual          
557040 magnesium stearate   FINAL 100 8 hr          
557051 zinc stearate   FINAL 50 8 hr          
513359 amylene   FINAL 106 annual          
565593 2,3-dimethylpentane   FINAL 3500 8 hr          
576261 2,6-dimethyl phenol   FINAL 2 annual          
313064 estradiol cypionate   FINAL 0.1 annual          
302227 chlormadinone acetate   FINAL 0.1 annual          
303811 novobiocin   FINAL 40 annual          
513859 2,3-butanediol   FINAL 15 annual          
526738 1,2,3-trimethylbenzene 14 FINAL 185 annual 1200 8 hr      
526750 2,3-dimethyl phenol   FINAL 2 annual          
532274 alpha chloroacetophenone   FINAL 0.03 annual          
533744 dazomet   FINAL 19 annual          
534521 dinitro-o-cresol   FINAL 2 8 hr          
540498 1,2-dibromoethylene   FINAL 0.1 annual          
540590 1,2-dichloroethylene   FINAL 35 24 hr          
540841 2,2,4-Trimethyl Pentane 1 FINAL 3500 8 hr          
540885 tert-butyl acetate 15 FINAL 2400 8 hr          
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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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