Hawthorne Army Depot

Installation Restoration Program
Hawthorne, Nevada

HWAAP-I03 & I04
BUILDING 104-7 PIT #1 & PIT #2

SITE DESCRIPTION
HWAAP-I03 & I04 is a site with two former pits. The use of the pits and the period of operations are not known. The adjacent building's operation is handlingBUILDING 104-7 PIT #1 & PIT #2 explosives. No evidence of the pits remain following a flash flood in 1992. Remedial Investigation in 1994 included 1.8 acres of ground penetrating radar and magnetometry surveys, 19 soil gas samples, 7 near surface soil samples, and 8 subsurface. Low concentrations of VOCs were detected in the soil gas and subsurface soil samples. Low level of explosives and diesel were detected in near surface soil samples.

PROPOSED PLAN
A Closure Document was approved by NDEP on 22 Nov 1999.

Decision Document
 

 

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