This procurement is to obtain services for performing remedial actions at environmentally contaminated sites, predominantly located at Navy and Marine Corps installations and other Government agencies. The sites will consist of those ranked on the Superfund National Priority List (NPL) as well as non-NPL sites and Base Realignment and Closure (BRAC) sites regulated under Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), Resource Conservation and Recovery Act (RCRA), Underground Storage Tanks (UST) regulations, state specific regulations, and other sites which might require remedial action. Potential tasks will include but are not limited to: Performing removal actions, remedial actions, expedited and emergency response actions at sites, pilot and treatability studies, facility operation, maintenance and instruction, other related activities associated with returning sites to safe and acceptable levels, munitions response program clean up and closure, and range clean ups and closure including Range Sustainability Environmental Program Assessments (RSEPA), RCRA closures, site characterizations, hydrographic surveys, groundwater characterization studies, sediment removal and remediation, closure and/or replacement of USTs above ground storage tanks, providing anti-terrorist/force protection (ATFP) hazardous material release incident responses and remediation of ATFP-related hazmat such as anthrax or any chemical, biological, or radiological (CBR) agent, munitions response quality assurance (QA), optimization reviews of remediation facilities and remediation strategies, preparing appropriate documentation of planned and completed actions, and providing technical support to the Navy on the full range of remedial actions. The contaminants included are predominately solvents, petroleum, oils and lubricants (POLs), metals, acids, bases, reactives, non-explosive ordnance residues or compounds, polycyclic aromatic hydrocarbons (PAHs), polychlorinated biphenyls (PCBs), per-and polyfluoroalkyl substances (PFAS), munitions and explosives of concern (MEC) (including all types of discarded military munitions and unexploded ordnance), emerging contaminants, pesticides, and G-RAM. Contaminants may be present in soils, marine or freshwater sediments, groundwater, air, sludge, surface water, and manmade structures. Contaminated sites may be landfills, hazardous waste treatment storage and disposal facilities, tanks, lagoons, firefighting training areas, small arms ranges, or other facilities. The work to be ordered under this contract will be performed at various locations within the Naval Facilities Engineering Systems Command (NAVFAC) Pacific area of responsibility (AOR) (NAVFAC Hawaii, NAVFAC Marianas, NAVFAC Northwest, and NAVFAC Southwest). Work may also be added and performed anywhere outside of the NAVFAC Pacific area of responsibility, as required by the Government. The contract will be Cost-Plus-Fixed-Fee (CPFF), …