Accession Number:

ADA520193

Title:

Phase II Tungsten Fate-and Transport Study for Camp Edwards

Descriptive Note:

Final rept.

Corporate Author:

ENGINEER RESEARCH AND DEVELOPMENT CENTER HANOVER NH COLD REGIONS RESEARCH AND ENGINEERING LAB

Personal Author(s):

• Clausen, Jay L.
• Bednar, Anthony
• Lambert, Dennis
• Bailey, Ronald
• Kuhlbrush, Michael
• Taylor, Susan
• Bigl, Sue

Report Date:

2010-02-01

Pagination or Media Count:

140.0

Abstract:

Tungsten was detected in soil and groundwater beneath the Bravo Small Arms Range SAR at Camp Edwards, Massachusetts. This discovery prompted additional studies to assess tungstens fate-and-transport. Installation of drive points and groundwater monitoring wells at three SARs Bravo B, Charlie C, and South EastSouth West indicate that groundwater contamination is restricted to B Range. Although tungsten is still present in groundwater monitoring well MW-72S at Bravo Range, concentrations have dropped significantly since the removal of soil and have stabilized at a less than 2 microngL concentration. Soil remediation consisted of removal of all berm soil that contained tungsten with a level greater than 150 mgkg. Similarly, shallow lysimeters installed at B, C, and India Ranges also indicate a decline in tungsten levels post-soil removal. Deep lysimeters at B range, installed after soil removal activity, indicate that tungsten is present in pore water at least 7.6 meters below ground surface.

Descriptors:

• *TUNGSTEN
• *GROUND WATER
• LYSIMETERS
• CONTAMINATION
• MONITORING
• REMOVAL
• SOILS

Subject Categories:

• Metallurgy and Metallography
• Water Pollution and Control

Distribution Statement:

APPROVED FOR PUBLIC RELEASE