[CPEO-MEF] "Astronomical" perchlorate levels in Rialto (CA)

[Lenny Siegel <lsiegel@cpeo.org>]

Chemical found in highest level yet

PERCHLORATE: The discovery, 3,500 parts per billion, far exceeds what is 
in nearby wells.


By JENNIFER BOWLES
Riverside Press-Enterprise (CA)
March 4, 2006

New tests have revealed "astronomical" levels of perchlorate below a 
northern Rialto industrial site, causing concern that another wallop of 
the rocket-fuel chemical could make worse the pollution already in a key 
Inland drinking-water basin, officials said Friday.

The discovery of the rocket-fuel chemical at 3,500 parts per billion is 
the highest ever detected in the six-mile plume, more than four times 
the highest level that has been found in several drinking-water wells in 
Rialto and Colton. Those cities either treat the water before serving it 
or don't use any water containing perchlorate, which has been linked to 
thyroid problems.

...

For the entire article, see
http://www.pe.com/localnews/inland/stories/PE_News_Local_S_perc04.227b4154.html


See also

Cleanup proposal denied
But water board open to revisions

Robert Rogers
San Bernardino Sun (CA)
March 4, 2006

LOMA LINDA - The Santa Ana Regional Water Quality Control Board on 
Friday rejected a request by a now-dissolved corporation to adopt its 
$2.2 million work plan to remedy the perchlorate contamination that for 
decades has plagued area groundwater.

An attorney for Emhart Industries Inc. - a company that dissolved in 
2002, but whose parent company is Black & Decker Inc. - aimed to 
persuade the board to adopt a plan agreeable to more than a dozen 
chemical dischargers, thwarting the possibility of incurring greater 
liability.

Instead, the board's decision paves the way for another hearing in July, 
at which the board could determine Emhart responsible for replacement 
water or well-head treatment.

...

For the entire article, see
http://www.sbsun.com/news/ci_3567633
--


Lenny Siegel
Director, Center for Public Environmental Oversight
c/o PSC, 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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