The U.S. Army Corps of Engineers (USACE) conducts munitions responses under the Military Munitions Response Program (MMRP) in accordance with (IAW) the Comprehensive Environmental Response, Compensation and Liability Act (CERCLA) and the National Oil and Hazardous Substances Pollution Contingency Plan (NCP). The guidance provided in this Engineer Manual (EM) applies to all USACE munitions response projects.