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HWAAP-H01
FIRE TRAINING PIT
SITE DESCRIPTION
HWAAP-H01 is a concrete slab and foundation of the former movie theater located northwest of Thorne Road and north of the main gate of HWAD. The concrete slab measures 60 by 20 feet and slopes east. It was used for fire training by igniting and extinguishing waste petroleum, oil, and lubricants (POLs) on the slab. A 3ft high retaining wall and earthen berms were used to contain the fuel on the slab. This site was used for fire training for an undetermined period receiving various fuels and crankcase oils. POL staining is evident on the surrounding soils and fuel contamination is visible within the basin. The expansion joints of the slab are degraded, potentially allowing POL to leak into the soils. Remedial Investigation work in 1994 included surface soil and hand auger sampling, and cone penetrometer studies. Two surface soil samples, two hand auger samples and four cone penetrometer soil samples were collected around the slab and analyzed for SVOCs, VOCs, pesticides and PCBs, TPH, explosives and metals. Metals, TPH diesel and SVOC and dioxin were detected in the soil samples.
PROPOSED PLAN
Currently, the slab is acting as a cap. Repairs to the concrete slab will be needed to prevent infiltration.
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