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HWAAP-I07
BUILDING 101-44 LANDFILL
SITE DESCRIPTION
HWAAP-I07 is an open pit landfill formerly used to store large scrap metal items. It is likely that diesel fuel from demilitarization operations (Bldg 101-44) was disposed of at this site. This site was used from the 1960's to the early 1980's. Investigation in 1994 included 10 soil gas samples and 8 near surface soil samples. The soil samples contained up to 15,000 mg/kg of TPH-D. There has been no impact to the ground water from metals or explosives at this site, no remediation of the ground water is recommended. Based on information obtained in 2000 concerning disposal of explosives at this site, additional investigation was initiated. This resulted in discovery of RDX at 70,000 ppm. Excavation, bioremediation through windrow composting, and on-site treatment were completed in May 2003 as the remedy for TPH and explosives contamination.
PROPOSED PLAN
A Decision Document for SWMU I07 is expected to be completed in FY2011.
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