2008 CPEO Military List Archive

From: "peter " <petestrauss1@comcast.net>
Date: Mon, 12 May 2008 10:43:05 -0700 (PDT)
Reply: cpeo-military
Subject: Re: [CPEO-MEF] VOCs: Wyle Labs, Norco, CA
 
This story is misleading at best.

The reporter called me Friday, asking whether sodium permanganate, used to
chemically oxidize TCE, could create hexavalent chromium. Permanganate is
made from manganate and sodium, elements.  Chromium is an element.  TCE does
not have chromium in it.  You cannot turn lead into gold. 

The only way that hexavalent chromium could be "created" is if it were
mobilized by the chemical reaction (if, for example, trivalent chromium
becomes hexavalent chromium during the chemical reaction - the latter is
more toxic and mobile than the former).  This was explained to the reporter,
but she apparently stuck to her story.  

Peter Strauss

-----Original Message-----
From: military-bounces@lists.cpeo.org
[mailto:military-bounces@lists.cpeo.org] On Behalf Of Lenny Siegel
Sent: Saturday, May 10, 2008 9:42 PM
To: Military Environmental Forum
Subject: [CPEO-MEF] VOCs: Wyle Labs, Norco, CA

Cleanup method considered for Norco's Wyle site poses 'tradeoff'


By ALICIA ROBINSON and PAIGE AUSTIN
Riverside Press-Enterprise (CA)
May 9, 2008

Efforts to clean up toxic pollution at a former Norco aerospace testing 
lab could remove one contaminant but leave behind a known carcinogen, 
state officials said.

It is a balancing act. By cleaning up vast amounts of the hazardous 
chemical trichloroethylene, which can evaporate into the air around 
homes and schools near the site, it could create trace amounts of a 
known carcinogen, hexavalent chromium.

State officials overseeing the project being carried out by a firm hired 
by Wyle say that cleanup method will not be used unless they can 
minimize any public health risk. In preliminary tests, they found that 
hexavalent chromium -- also called chromium VI -- was created in the 
groundwater but had not traveled offsite.

...

For the entire article, see
http://www.pe.com/localnews/inland/stories/PE_News_Local_D_wyle10.431ed52.ht
ml

-- 


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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