Link to MDEQ Home Link to Michigan.gov
Michigan.gov Home EGLE Home | Michigan Air Permits System Home


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 2 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
97881 n-butyl methacrylate   FINAL 569 annual          
97869 isobutyl methacrylate   FINAL 600 annual          
97858 isobutyl isobutyrate   FINAL 300 annual          
97658805 5-bp-bisenamine   FINAL 10 annual          
97643 ethyl lactate   FINAL 20 annual          
96800 diisopropylaminoethanol   FINAL 4 annual          
96491 ethylene carbonate   FINAL 30 annual          
96480 gamma-butyrolactone   FINAL 280 24 hr          
96479 2-methyltetrahydrofuran   FINAL 420 annual          
96457 ethylene thiourea   FINAL 0.28 annual     0.01 0.1 annual
96377 methylcyclopentane   FINAL 700 24 hr          
96333 methyl acrylate   FINAL 70 annual          
96297 methylethylketoxime   FINAL         2.5 25 annual
96231 1,3-dichloro-2-propanol   FINAL 3 annual     0.07 0.7 annual
96184 1,2,3-trichloropropane   FINAL 0.3 annual          
96173 2-methylbutyraldehyde   FINAL 700 annual          
96140 3-methylpentane   FINAL 3500 8 hr          
96128 dibromochloropropane   FINAL 0.2 24 hr     0.0001 0.001 annual
95954 2,4,5-trichlorophenol   FINAL 350 annual          
95943 1,2,4,5-tetrachlorobenzene   FINAL 1 annual          
95932 1,2,4,5-tetramethyl benzene   FINAL 20 annual          
95874 2,5-dimethylphenol   FINAL 0.7 annual          
95749 3-chloro-p-toluidine 30 FINAL 2 annual          
95658 3,4-dimethyl phenol   FINAL 3.5 annual          
95636 1,2,4-trimethylbenzene 14 FINAL 185 annual 1200 8 hr      
[<-- First Page]  [<- Previous Page]  [Next Page ->] [Last Page -->] 

    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  

 
Back to Main Search Page

For issues related to ITSL/IRSL database content, contact Doreen Lehner at lehnerD@michigan.gov or (517) 582-3779.


Michigan.gov Home  |   EGLE_Home  |   BFS_Home  |   Online Services  |   Contact EGLE  |   ADA  |   FOIA  |   Contact BFS  |   State Web Sites  |   Policies