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 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
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
95534 o-toluidine   FINAL         0.07 0.7 annual
91203 naphthalene   FINAL 3 annual 520 8 hr 0.08 0.8 annual
91225 quinoline   FINAL         0.001 0.01 annual
96128 dibromochloropropane   FINAL 0.2 24 hr     0.0001 0.001 annual
96457 ethylene thiourea   FINAL 0.28 annual     0.01 0.1 annual
96231 1,3-dichloro-2-propanol   FINAL 3 annual     0.07 0.7 annual
96297 methylethylketoxime   FINAL         2.5 25 annual
98000 furfuryl alcohol   FINAL 5 annual     0.09 0.9 annual
98011 furfural   FINAL         0.06 0.6 annual
98828 cumene   FINAL 400 annual     0.1 1 annual
50000 formaldehyde   FINAL 30 24 hr     0.08 0.8 annual
50293 ddt 12 FINAL         0.01 0.1 annual
50328 benzo(a)pyrene 5 FINAL 0.002 24 hr     0.001 0.01 annual
56553 benz(a)anthracene 5 FINAL             annual
57410 phenytoin   FINAL         0.07 0.7 annual
57749 chlordane (technical)   FINAL 0.7 annual     0.01 0.1 annual
62759 n-nitrosodimethylamine   FINAL         0.00007 0.0007 annual
60344 methyl hydrazine   FINAL 0.03 annual     0.0087 0.087 annual
60571 dieldrin   FINAL         0.0002 0.002 annual
62533 aniline   FINAL 1 annual 76 8 hr 0.6 6 annual
53703 dibenz(a,h)anthracene 5 FINAL             annual
[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