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 24 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
144669045 hexenylsiloxanes   FINAL 16 annual          
144669034 hexenylsiloxane   FINAL 16 annual          
69696986 hexane 1,6-bis(tributyl ammonium bromi   FINAL 0.1 annual          
66251 hexanaldehyde   FINAL 2 annual          
100970 hexamethylenetetramine   FINAL 100 annual          
822060 hexamethylene diisocyanate   FINAL 0.2 annual 0.3 8 hr      
107460 hexamethyldisiloxane   FINAL 240 annual          
999973 hexamethyldisilazane   FINAL 206 annual          
541059 hexamethylcyclotrisiloxane   FINAL 50 annual          
1009934 hexamethylcyclotrisilazane   FINAL 0.1 annual          
12021953 hexafluorozirconium acid   FINAL 0.1 annual          
67721 hexachloroethane 13 FINAL 30 annual 1600 8 hr 0.1 1 annual
13465775 hexachlorodisilane   FINAL 0.1 annual          
77474 hexachlorocyclopentadiene   FINAL 0.2 annual          
87683 hexachlorobutadiene   FINAL         0.05 0.5 annual
118741 hexachlorobenzene   FINAL 0.35 24 hr     0.0022 0.022 annual
142825 heptane   FINAL 3500 8 hr          
1873887 heptamethyltrisiloxane   FINAL 0.1 annual          
0 heptamethyl-1-vinyl-1,7-dichlorotetrasilazane   FINAL 0.1 annual          
76448 heptachlor   FINAL         0.0008 0.008 annual
68551177 heavy naphtha 1 FINAL 3500 8 hr          
64741680 heavy catalytic reformed naphtha   FINAL 70 annual          
64742945 heavy aromatic solvent naphtha 1 FINAL 70 annual          
64741657 heavy alkylate naphtha 1 FINAL 3500 8 hr          
93141 guaifenesin   FINAL 5 annual          
[<-- 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.
http://www.michigan.gov/documents/deq/deq-aqd-itslirsl-notes_457666_7.pdf  

 
Back to Main Search Page

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


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