BMI Facility Terracon developed a Work Plan to address historical total petroleum hydrocarbon (TPH) and polychlorinated biphenyl's (PCBs) contamination resulting from past site operations. The Basic Substation parcels were developed in the 1940s to provide power to the BMI Industrial Complex and as a transformer maintenance facility. The investigation encompassed three parcels totaling 13.1 acres. As part of the investigation, Terracon completed more than 150 soil borings and installed five groundwater monitoring wells to delineate the extent of soil contamination and determine groundwater quality beneath the site. After the results, Terracon developed a Remedial Action Excavation Work Plan to remediate the extent of soil contamination. Terracon implemented the initial remediation phase in May 2008, including the removal of more than 3,000 tons of contaminated soil. Terracon also conducted a geophysical survey on the eastern-most parcel to locate an area suspected of containing buried drums. Based on the findings of the geophysical survey, Terracon developed a Suspected Drum Burial Area Investigation Work Plan and a Suspected Drum Burial Area Excavation Work Plan which were approved by the NDEP.