[CPEO-MEF] Perchlorate found at Vermont quarry

[Lenny Siegel <lennysiegel@gmail.com>]

Chemical found in quarry water

By Candace Page
Burlington Free Press (VT)
August 8, 2007

Perchlorate, a chemical linked to thyroid dysfunction in humans, has 
been detected in surface water discharged from a quarry in Pittsford.

The discovery does not necessarily carry health implications, since 
tests have not been done to determine the extent of the contamination or 
whether the perchlorate has reached groundwater supplies used for drinking.

Perchlorate was detected in surface water discharged from two settling 
ponds at opposite ends of the Hogback Quarry, where the Swiss company 
Omya Industries quarries marble and grinds it into calcium carbonate. 
One water sample showed 77 parts per billion of perchlorate; the other, 
7.9 parts per billion.

Vermont's drinking water standard for perchlorate is 4 parts per billion.

...

For the entire article, see
http://www.burlingtonfreepress.com/apps/pbcs.dll/article?AID=/20070808/NEWS02/70808008/1007

--


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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