FACT SHEETDECISION DOCUMENTGambell Formerly Used Defense SiteSt. Lawrence Island, AlaskaBackgroundThe Alaska District of the U.S. Army Corps ofEngineers is implementing remedial activities at theGambell Formerly Used Defense Site (FUDS) underthe authority of the Defense EnvironmentalRestoration Program (DERP).The Gambell site (FUDS #F10AK0696) is located onSt. Lawrence Island, approximately 200 milessouthwest of Nome in the Bering Sea and 36 mileseast of the Chukotsk Peninsula, Siberia. The Villageof Gambell is situated on a gravel spit on thenorthwest end of the island.The military established the Gambell site in the 1950sas part of a surveillance and intelligence-gatheringnetwork. Various units of the US Army and US AirForce utilized the area until the early 1960s.Decision DocumentThe Corps of Engineers completed a remedialinvestigation at the Gambell site and evaluatedremedial alternatives for the areas of concern. AProposed Plan was distributed to the community inJuly 2004. A public meeting was held on July 21,2004. A public comment period was from July 21 toAugust 30, 2004.June 2005determine whether petroleum hydrocarbons impactthe community drinking water. A final decision on anyappropriate remedial actions at Site 5 will be madeafter evaluating the investigation results.The proposed removal of small arms ammunition atSite 8D was determined ineligible for the FUDSprogram because the material does not meet thedefinition of inherently hazardous debris. Theexisting institutional controls will be maintained,focusing on community awareness and education,including ordnance information pamphlets andposters.The Corps of Engineers recommends that the NativeAmerican Lands Environmental Mitigation Program(NALEMP) provide funding to remove the remainingsmall armsammunition atSite 8D to fullyaddress theremainingcommunity andstate concernsregarding thebeach burial pit.Site 8DDescription of Selected RemedyThere were no significant changes between thePreferred Alternative that was submitted for publiccomment in the Proposed Plan and the SelectedRemedy.Site 5However, the Corps ofEngineers will conductadditional investigation of thegroundwater quality at Site 5,to demonstrate compliancewith ADEC groundwatercleanup criteria in 18 AAC75.345 Table C. Threeadditional groundwatermonitoring events will beconducted at Site 5 toThe selected final remedy involves excavation andoff-island landfill disposal of about 4 tons of arseniccontaminated soil from Site 7 (Former Military PowerFacility) and approximately 4 tons of lead andchromium contaminated soil at Site 12 (NayvaghatLakes Disposal Site).The target cleanuplevels are 11mg/kg for arsenic,26 mg/kg forchromium, and400 mg/kg forlead.Site 7F10AK069603_08.11_0014_a200-1eContact InformationCarey Cossaboom, Project ManagerU.S. Army Corps of Engineers, Alaska DistrictP.O. Box 6898 (CEPOA-PM-FUDS)Elmendorf AFB, AK 99506-0898(907) 753-2689 phone (907) 753-5626 faxCarey.C.Cossaboom@poa02.usace.army.milSite 8AInformation RepositoriesThe selected final remedy also includes the removalof about 50 tons of exposed Marston matting debrisalong the east side of the airport runway (Site 8A).No further action is the final selected remedy for 34other sites in Gambell (Sites 1A, 1B, 1C, 2, 3, 4A, 4B,4C, 4D, 4E, 6, 8B, 8C, 8D, 9, 10, 11, 13, 14, 15, 16,17, 18, 19, 20, 21, 22, 23, 24, 25A, 25B, 26, 27, 28).However, the NALEMP Program will address severalof these sites.Site documentation may be viewed at the followinglocations:Sivuqaq Corporation Building (Lodge)P.O. Box 101Gambell, Alaska 99742Phone: (907) 985-5826Hours: Monday – Friday 9:00 a.m. to 5:00 p.m.Savoonga City HallP.O. Box 40Savoonga, Alaska 99769Phone: (907) 984-6614Hours: Monday – Friday 9:00 a.m. to 5:00 p.m.University of Alaska FairbanksNorthwest Campus LibraryFront Street (Pouch 400)Nome, Alaska 99762Phone: (907) 443-8415Hours: Monday – Friday 10:00 a.m. to 8:00 p.m.Saturday 12:00 pm to 4:00 pmSite 12Next StepsThe remedial activities are tentatively scheduled tobegin during the late summer of 2005 though weatheror barging schedules may delay the work until 2006.Bristol Construction Services, LLC has been hired toperform the cleanup work.The fieldwork is anticipated to last about 2 weeks.The groundwater monitoring events will occur duringthe summer, fall, and spring.A final report will be prepared to document thecontaminated soil and debris removal activities.Alaska Resource Library and InformationServices (ARLIS)Suite 111, Library Building3211 Providence DriveAnchorage, Alaska 99508Phone: (907) 272-7547Hours: Monday – Friday 8:00 a.m. to 5:00 p.m.