Quality Assurance/Data Validation under Federal and State Hazardous Waste Site Cleanup Regulations

EcoChem has provided data quality support services for environmental investigations and cleanups of hazardous waste sites both domestically and abroad. Some of the major programs include: Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund), Model Toxics Control Act (MTCA), Resource Conservation and Recovery Act (RCRA), Department of Defense Environmental Restoration Program (DoD DERP), US Army Corps of Engineers Dredged Material Management Plan (USACE DMMP), and Washington Department of Ecology Toxics Cleanup Program. EcoChem’s responsibilities have included preparation and review of project specific quality assurance/quality control (QA/QC) documents, data validation, data management, and laboratory coordination.  Major projects/sites have included: Lower Duwamish Waterway Superfund Site (WA), Bannister Federal Complex (MO), Andersen Air Force Base (Guam), Washington State Sediment Regional Background Study, Portland Harbor Superfund Site (OR), Umatilla Chemical Agent Disposal Facility (OR), San Jacinto River Waste Pits Superfund Site (TX), and Crab Orchard National Wildlife Refuge (IL). Sample matrices and analyses have included soil, sediment, groundwater, storm water, air, and tissue analyzed for dioxin/furans, PCB congeners and Aroclors, polybrominated diphenyl ethers (PBDEs) per- and polyfluorinated alkyl substances (PFAS), pharmaceuticals, volatile and semivolatile organics, pesticides, fuels, explosives, nerve agents, butyl tins, metals, radioisotopes, and general chemistry parameters.