ROUNDHOUSE TRANSFORMER STORAGE AREA

 

SITE DESCRIPTION

The site consists of the contamination from past activities. Any contamination from current and future activities will be addressed with non-Er,A funding.

This area was used since the 1940s to store transformers pending use or disposal; this site is no longer used for PCB storage. The storage yard is a flat, graded area with crushed stone on a hard base. Transformers found to contain greater than 50ppm PCB were moved to Building L-37-34, the old storage site. Those transformers having less than 50ppm PCB were moved to an outside storage concrete pad at Yard L, between buildings L-3 and L-4, new storage site E-18.

The PA/SI was completed in 1991, the RI was completed in May 1996; samples found PCBs and explosives. The Interim ROD requires the removal of approximately 600cy of PCB-contaminated soil. This soil will be taken to the Inert Disposal Area (IAAP-020) and landfilled in Trench 6 if PCB levels are below 50ppm. If levels unexpectedly exceed 50ppm, it will be disposed of off-site.

Remedial design sampling, conducted in 2004, did not locate soil contaminates above action levels.

CLEANUP STRATEGY

This site is considered Response Complete as documented in the Phase 4 Soil Remedial Action Report. There was no contamination found above action levels.