Hawthorne Army Depot

Installation Restoration Program
Hawthorne, Nevada

HWAAP-B28B
BUILDING 108-20 PO SPILL IMPOUNDMENT

SITE DESCRIPTION
HWAAP-B28B is a lined surface impoundment approximately 40 feet square and 4 feet deep that was designed to contain spills of propylene oxide. The BUILDING 108-20 PO SPILL IMPOUNDMENTimpoundment was never used. Investigation in 1994 included 10 soil-gas samples, 3 surface soil samples and 8 subsurface soil samples from 2 borings for VOC & SVOCs analyses. The chemicals of concern were not detected in any of the samples.

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

Decision Document
 

 

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