Re: [CPEO-MEF] Editorial about dioxane at Tallevast (FL) site

[Lenny Siegel <lsiegel@cpeo.org>]

According to a paper from Applied Process Technology
(http://www.aptwater.com), a company that specializes in treatment
systems that address 1,4, dioxane along with other volatile organic
compounds, dioxane is used as a stabilizer for both trichloroethane
(TCA) and trichloroethylene (TCE). "The concentration of 1,4 dioxane
typically used for TCA is 2% to 3.5% and 1% for TCE.... 1,4, dioxane is
not included in the U.S. EPA target compound lists and therefore may not
have been reported in initial site characterization where TCE and TCE
were detected."

Lenny

Lenny Siegel wrote:
> 
> [The new analyte discussed in this editorial - 1,4, dioxane - is a
> common co-contaminant with TCE. There are now commercially available,
> competitively priced treatment systems for destroying it along with TCE.
> In fact, vendors of such treatment systems are among those reminding
> site managers to test for dioxane. - LS]
> 
> Just the truth
> Level with Tallevast pollution victims
> 
> Editorial
> Bradenton Herald (FL)
> April 20, 2005
> 
> "Just when you think it can't get any worse, it gets worse."
> 
> That opinion by community leader Wanda Washington sums up the situation
> in Tallevast, struggling to deal with an underground pollution crisis of
> unknown proportions.
> 
> The scale of the pollution plume that is known is frightening enough:
> 131 acres, more than 21/2 times larger than the previous estimate Feb.
> 1. The affected area now covers much of the Tallevast community and has
> reached into industrial areas to the southeast and northwest. The area
> affected by the pollution, emanating from the former American Beryllium
> Co. plant in Tallevast, was widened after state Department of
> Environmental Protection crews added a test for dioxane to their
> well-drilling operation around the plant. Previous tests were only for
> trichloroethylene, or TCE, a carcinogenic solvent.
> 
> One wonders why it took until now to test for dioxane - or other
> possible chemicals. Wouldn't it be cheaper to check all potential
> pollutants at once rather than going back to previous drilling sites?
> This drip-drip-drip process of discovering and releasing bad news leaves
> affected residents uneasy. But it fits a pattern of withholding vital
> information until it suits regulators' interest. The very existence of a
> pollution threat was withheld from residents for almost four years. It's
> no wonder that Washington and members of the community group FOCUS are
> suspicious of almost everything they're being told.
> 
> ...
> 
> For the entire editorial, see
> http://www.bradenton.com/mld/bradenton/news/opinion/11437534.htm
> 


-- 


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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