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HWAAP-B27C
BUILDING 103-20 SURFACE IMPOUNDMENT
SITE DESCRIPTION
HWAAP-B27C is an unlined surface impoundment (approximately 100'x10'x10') and ditch with associated underground piping located west of Building 103-20 used  for the discharge of waste water from a nearby operations of cleaning and sandblasting. The operations were conducted from the 1959's to the 1970's. Investigation activities completed in 1994 include 5 surface soil samples and 13 subsurface soil samples collected from 5 borings.
Elevated concentration of metals (3500 mg/kg of lead, 890 mg/kg of chromium) were detected in soil exceeded NDEP criteria, 20xTCLP. There has been no impact to the groundwater from metals or explosives at this site. No remediation of the groundwater is recommended.
Aerial Photo (black & white --115KB)
PROPOSED PLAN
Additional investigation of the site will take place in FY10 and FY11.
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Aerial Photo