[CPEO-BIF] Why It Took So Long to Investigate Vapor Intrusion in Phoenix, Arizona

[Lenny Siegel <lsiegel@cpeo.org>]

A Tale of Two Semiconductor Cities:
Why It Took So Long to Investigate Vapor Intrusion in Phoenix

Nearly thirty years ago a TCE plume, at least seven miles long, was 
discovered emanating from a Motorola semiconductor plant in Phoenix, 
Arizona. While U.S. EPA Region 9 undertook vapor intrusion 
investigations at similar sites in Mountain View, California starting 
2002, the neighborhood nearest the Motorola plant was left under the 
jurisdiction of the Arizona Department of Environmental Quality. No 
vapor intrusion studies were initiated at the Phoenix site until 2010, 
when EPA Region 9 stepped in.

To download Lenny Siegel's 5-page, 1.9 MB report, go to
http://www.cpeo.org/pubs/PhoenixVI.pdf

--


Lenny Siegel
Executive Director, Center for Public Environmental Oversight
a project of the Pacific Studies Center
278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918
<lsiegel@cpeo.org>
http://www.cpeo.org



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