海报模板

AssessingUraniumContaminationinStreamSedimentontheLagunaandIsletaPueblosDerrickPlatero,NewMexicoStateUniversity,SanJuanCollege|BrianneWillis,EasternNewMexicoUniversity|DanCadol,NewMexicoTech|BonnieFrey,NewMexicoBureauofGeology|ReidBrown,NewMexicoTech|OliviaChavez,NewMexicoTechINTRODUCTIONMETHODS&MATERIALSUraniumminingontheLagunaPueblostartedin1953andlastedfor29years.Duringtimeofoperationitwasthelargestopenpitmineintheworld.400milliontonsofrockwasextractedfromtheJackpileMineontheLagunaPueblo.25milliontonsofthatrockwasuraniumorethatwastransportedbySantaFeRailroad.Pueblominershaveexperiencedmanyhealthaffectsdotounprotectedexposure.In1986BIA(BureauofIndianAffairs)andAnacondaagreedonasitecleanupplan.Erodibilityandtransportationoftopsoilisaproblemwithinthewashes.RESEARCHDATA0123456Series15samplescollectedateachsamplinglocation.3sampleswithinchannelplus2banksamplesDry,Sieve,&GrindsamplesAcidDigestionICP-MSRESULTS1.Surfacewaterwassampledwhereavailable.ResultsshowedtheuraniumcontentisabovetheEPAdrinkingwaterstandard(30Mg/L)forsitesnearJackpileMine.2.Whenpresent,uraniumisfoundonfinergrainsduetothelargersurfaceareaandthegeochemistryoftheclayandsilt.1.UraniumwasfoundoncoarsematerialatsiteB,possiblyduetotherunoffthroughminewasteintothewashwhereitreactswithorganicmaterialpresentinthesample.2.SiteGcontainshigheruraniumconcentrationsduetotheJackpileMine’slocationupstreamandthelocalizedhydrologyofthereservoirwhichisalsoupstream.3.DownstreamoftheRioPuercocontainedlessuraniumcontent.4.FinergrainedsedimentheldtheutmosturaniumcontentbesidessiteB.ACKNOWLEGDEMENTSAbigthankyoutoBonnieFreyandDanielCadolFromNewMexicoTech.BrianneWillis.VinceRodriguezandCodyFromtheLagunaandIsletaPueblos.andEPSCoR.SamplingsitelocationfromGoogleEarthimagel.SiteChannelsedimentUconc.(mg/kg)Water(ug/L)A1.416.0B5.1C1.8D2.1E0.6F1.6G13.9208.0H11.5I4.6115.0J1.811.0K1.1L1.111.0M0.8N1.7O1.3UraniumBerylliumIronArsenicThalliummg/Lmg/Lmg/Lmg/Lmg/LA-flowing160.0023951.20.002G-standing2084.21410399.04.8I-standing115BDL284811BDLJ-flowing11BDL2065.70.014L-flowing110.0193325.80.018EPAdrinkingwaterstandards304300secondary102.00WatersamplingsiteCONCLUSION