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Date: Wed, 2 May 2001 14:47:16 -0700 (PDT)
From: Civil and Environmental Engineering <ceginfo@u.washington.edu>
To: <cegrads@u.washington.edu>, <faculty@ce.washington.edu>
Subject: Master's Project Presentation - Janel Duffy
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The project presentation for the MSE degree for Janel Duffy will be held
on Thursday, May 31, 2001 at 2:30 p.m. in More 119.

Title: 		Everett Gun Club Remediation Investigation


Abstract:	In 1988 Boeing acquired 25 acres of land from Pierce
county that was previously used as a trap shooting gun club. After the
purchase significant remediation was undertaken to remove excessive lead
that resulted from the accumulation of shot. The levels were reduced until
they fell below the Federal clean-up standards. Monitoring wells were
installed and data collected quarterly to be reported to the Dept. of
Ecology.

	This project focused on evaluating lead and arsenic data collected
at the monitoring wells over the past five years. Arsenic concentrations
on the site currently exceed clean-up levels in a few locations. To
determine the extent of the arsenic problem and if the gun club could be
the source several tasks were undertaken. These tasks included modeling
the hydrology of the site, investigating the expected background levels of
arsenic, researching the potential chemical or microbiological
mobilization mechanisms, benchmarking other similar sites, determining the
composition of skeet shot and evaluating the mobilization of lead and
arsenic.


Marcia Buck
Graduate Advising Office, More 201F
Dept. of Civil & Environmental Engineering
University of Washington
Box 352700
Seattle, WA 98195-2700
  (206) 543-2574
  email: ceginfo@u.washington.edu

.