2014 CPEO Brownfields List Archive

From: Lenny Siegel <lsiegel@cpeo.org>
Date: Mon, 21 Jul 2014 09:55:46 -0700 (PDT)
Reply: cpeo-brownfields
Subject: [CPEO-BIF] PCE mitigation in Le Mars, Iowa
PCE removal systems installed

By Bennet Goldstein
Le Mars Daily Sentinel (IA)
July 21, 2014

LE MARS -- Environmental Protection Agency contractors have installed vapor mitigation systems in 19 Le Mars properties to remove probable cancer-causing air contaminants.

The properties were identified by EPA staff as having unsafe levels of the chemicals tetrachloroethylene, PCE, or trichloroethylene, TCE, in the air.

The vapor mitigation systems suck contaminated air from under a building and vent it into the air above where it will dissipate.

The EPA previously detected an underground plume of PCE in downtown Le Mars, northwest of the Central Avenue and Plymouth Street intersection.

The plume runs northwest about four blocks, terminating halfway between the post office and Clark Elementary School blocks.

Installation of the air mitigation systems took about six weeks, said Susan Fisher, on-scene coordinator for the Le Mars PCE site.


For the entire article, see


Lenny Siegel
Executive Director, Center for Public Environmental Oversight
a project of the Pacific Studies Center
278-A Hope St., Mountain View, CA 94041
Voice: 650/961-8918 or 650/969-1545
Fax: 650/961-8918

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