Re: [CPEO-MEF] House perchlorate hearing

[Lenny Siegel <lsiegel@cpeo.org>]

The prepared testimony for the House hearing on perchlorate standards 
may be downloaded from
http://energycommerce.house.gov/cmte_mtgs/110-ehm.hrg.042507.Perchlorate.shtml.

I've just skimmed the testimony, and it appears to provide a good 
summary of the various perspectives on perchlorate risk from several 
perspectives.

I found particular interesting EPA's explanation of why it will not soon 
develop a drinking water standard for perchlorate - from page 8-9 of the 
EPA testimony:

"Before the Agency can make a determination as to whether it is 
appropriate to regulate perchlorate in drinking water, we need to better 
 understand total perchlorate exposure and the RSC (i.e., exposure to 
perchlorate from water as opposed to food sources)."

Given the data already available on perchlorate, I wonder how many 
drinking water standards we would have if EPA had used the same 
threshold to decide whether to begin the processing for other pollutants.

Lenny
--


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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