Stage of Clean-up: Study Underway
The Naval Computer and Telecommunications Area Master Statio n Eastern Pacific (NCTAMS EASTPAC) site is used for operating and maintaining facilities and equipment for the Navy's Defense Comm unications System. The NCTAMS EASTPAC site consists of facilitie s located throughout the Island of Oahu. These include facilitie s at Wahiawa, Lualualei, Opana, Kokekole Pass, Pearl Harbor, and various satellite telecommunication locations. The Navy's Initia l Assessment Study (IAS) identified 14 potential hazardous waste sources at NCTAMS EASTPAC, all located at either Lualualei or Wah iawa. The Lualualei and Wahiawa facilities are approximately 10 miles apart. The Lualualei facility occupies 1,700 acres in a large coast al valley on the southeastern shore of Oahu. The facility is sur rounded by agricultural, urban, and conservation land areas. Eig ht potential hazardous waste sources were identified at the Lualu alei facility during the IAS. The sources include the Old Coral Pit, Antenna 403 Disposal Area, Antenna 441 Disposal Area, Buildi ng 65 Disposal Area, Antenna 354 Disposal Area, Two Wells near Bu ilding 1, Old NRTF Landfill, and Transformer Locations. All subs equent investigations evaluated the Antenna 354 Disposal Area and Transformer Locations only. Ground water in the area is brackis h, and there are no drinking water wells downgradient of the faci lity. Surface water downstream of the site is not used for drink ing water. More...