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Record of Decision System (RODS)

NAVAL SURFACE WARFARE CENTER - DAHLGREN

Abstract

Site Name:  NAVAL SURFACE WARFARE CENTER - DAHLGREN
Address:  2 MI E OF INTER 301 & 206 
City & State:  DAHLGREN  VA  22448
County:  KING GEORGE
 
EPA ID:  VA7170024684
EPA Region:  03
 
NPL Status:  Currently on the Final NPL
 
ROD Type:  Record of Decision
ROD ID:  EPA/541/R-97/179
ROD Date:  09/29/1997
Operable Unit(s):  02
 
Media:  Groundwater,Soil,Water
 
Contaminant:  Antimony, arsenic, beryllium, chromium, copper, lead, manganese, nickel, vanadium.
 
Abstract:  The Naval Surface Warfare Center Dahlgren site (NSWCDL) is located in Dahlgren, Virginia. This document covers the Site 2 portion of the installation. This site is one of several installation restoration sites at the NSWCDL facility. Site 2, formerly used for disposal of various metal ordnance items, is located close to the eastern shore of Gambo Creek and southeast of Site 12, the Chemical Burn Area.Evidence shows that activity at Site 2 began around 1943, when a small cleared area was observed in a photo. By 1952, the area had grown larger and a pile of dark-colored dirt was present in the northwest corner. In the early 1970s, a fenced landfill area was excavated and reportedly used for the disposal of metal ordnance materials that may have contained explosive residue. In addition, asbestos pipe wrappings, rinsed pesticide containers, ordnance hardware, and machine parts were buried in this area. Trenching operations also occurred at the site in the 1980s.The initial assessment on the site was conducted in 1981 and concluded that radioactive monitoring should be completed. Other studies were performed and have been completed in 1991-1992.
 
Remedy:  The selected remedy for Site 2 involves the removal of soils exceeding cleanup goals; removal of the western and southern trenches and debris piles; backfilling with clean fill; consolidating all removed wastes on site; recycling recyclable materials from debris piles off site; capping the fenced area and consolidated waste and soils; and providing institutional controls to limit the site to future industrial use and to exclude shallow groundwater use. Surface water and groundwater shall continue to be monitored.
 
Text:  View full-text ROD [ 93K ]
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