The facility was known to use chromated copper arsenate (CCA) to treat fence lumber and mine lumber. Arsenic contamination has been determined as the main contaminant of concern, and an Action Memorandum has been approved for the removal of arsenic contaminated soils, sediments and residual CCA product in the pressure vessels and tanks on site.
Excavation has been completed in the drainage swales, and at several isolated areas across the site. Warning barriers have been placed along the bottom of the excavated areas along the drainage swales to prevent future digging in these areas. A layer of gravel has been placed to secure the warning barriers, and the swales will be backfilled with clean fill material to natural grade.
The remaining concrete pad at the front of the facility has been dismantled, along with a smaller pad located at the rear of the facility near pressure vessel 2 in an effort to get to and remove contaminated soils in these areas.
Pressure Vessel 2 (PV02) cleanup operations have been completed, along with cleanup operations in Pressure Vessel 1 (PV01). Both vessesl have been deemed as clean by the OSC.
The concrete basin at the rear of the facility has been cleaned. This basin has a gravel floor, and approximately 2' of gravel was removed from the basin due to evidence of CCA residual waste identified at the bottom of the basin. The basin was also pressure washed, and the wash water was collected for disposal. Clean gravel was placed at the bottom of the basin.
Crews are currently working inside the building continuing to remove CCA product from the interior tanks. Five of the seven tanks have been cleaned, and the remaining two tanks are in the process of having CCA product removed from them. Tank 04 was identified during the initial assessment to contain CCA product. The product in this tank is very clay-like, making the removal of the waste in this tank very time consuming. Crews are bagging this waste, and staging the material in roll off containers on site.
Lab data from the stockpiled soils is expected to be received on July 8th. Once this data is received, bids will be sent out to disposal facilities, and trans and disposal will be set up pending the outcome of the bids.
Operations will cease on July 3rd for the Holiday weekend, and will resume on July 8th.
Upon remobilization, tank cleanup efforts will continue inside the building.
The 2 sump areas (near PV01 and PV02) have been investigated, and these areas show visible CCA contamination in the soils. These areas will be excavated and stockpiled, awaiting disposal.
Clean fill material will be delivered to the site on July 8th. Backfilling and regrading the drainage swale and areas along the northern section of the facility to their pre-removal grade will begin at this time. The backfilled areas will also be reseeded.
Once the stockpiled soil data is received, ERRS will begin the process of setting transportation and disposal of the soils. In addition, 2 rolloff containers with CCA waste product from tank cleaning operations will also be sampled for disposal purposes, and transportation and disposal of these rolloffs will be initiated.
WVDEP has visited the site, and are satisfied with EPA progress.
EPA's RCRA Program will assist WVDEPs RCRA Program in properly closing out the facility through the RCRA process after the completion of the CERCLA removal action at the facility. The RP has had numerous RCRA violations issued in the past at the facility.
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