[CPEO-MEF] Devens landfill debate

[Lenny Siegel <lsiegel@cpeo.org>]

Shepley landfill treatment plan moving ahead rapidly ...

By Don Eriksson
Harvard Hillside (MA)
December 15, 2004

DEVENS -- An extraction, treatment and discharge system to eliminate 
arsenic from groundwater beneath the Shepley's Hill landfill cap is 
nearing completion, Chuck Ouelette, one of two project engineers for 
Army contractor CH2M Hill, reported to the Restoration Advisory Board 
last week in Ayer town hall.

The foundation and shell of the treatment plant is complete and most 
major equipment has been installed, he said. Mechanical and electric 
work and installation of primary power is expected to be finished by the 
third week of December.

The treatment plant will extract arsenic and discharge groundwater 
treated to drinking water standards using a micro-filtration system. 
Extraction wells, one of which is close to Scully Road in Ayer, are in 
place to test soil for arsenic, iron and manganese content. The landfill 
is in the town of Ayer in the Northeast portion of the former Fort Devens.

Work is also underway installing electrical and fire alarm conduits and 
water discharge pipes across the top of the environmental soil cap that 
covers the landfill. A cloth-like layer of leak protection is lain under 
the pipes. Ouelette showed pictures of the piping being covered with a 
brim of soil that will be naturally vegetated.

The overall effectiveness of the Army's solution for discharging treated 
water had been argued at the October advisory board meeting held on Devens.

…

For the entire article, see
http://www.harvardhillside.com/Stories/0,1413,108~5342~2599297,00.html

--
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
http://www.cpeo.org


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