Specifications include, but are not limited to: The State of Delaware Department of Natural Resources and Environmental Control(DNREC), seeks professional services to perform underground storage tank (UST)removals, closures in place and overexcavation services as required by DNREC at UST sites in Delaware, excluding USTs eligible for the Heating Fuel UST Closure Assistance Program. The Work to be conducted under this contract includes the task list below. DNREC intends to award contract(s) to the most qualified vendor(s). Perform UST removals and closures in place excluding USTs eligible for the Heating Fuel UST Closure Assistance Program following DNREC technical guidance documents for UST removals, closures in place, and overexcavations Collect UST removal and closure in place soil samples in accordance with DNREC technical guidance documents and the Delaware Risk Based Corrective Action Program (DERBCAP) Perform sample screening, logging of borings, and collecting field data Conduct overexcavations Collect overexcavation soil samples in accordance with DNREC technical guidance documents and the Delaware Risk Based Corrective Action Program (DERBCAP) Provide analysis of samples by a qualified environmental laboratory Coordinate and implement the proper permitting, handling, transport and disposal of waste and contaminated materials (residual fuel, sludge, contaminated soils)