Presley BJWade TLSantschi PBaskaran M2010-02-152010-02-151998http://hdl.handle.net/1969.3/22734-In order to obtain sediment which has accumulated over the past 100 years or so, 50-80 cm long sediment cores were collected from the submarine Mississippi River Delta, Galveston Bay, Texas and Tampa Bay, Florida. The cores were extruded and sliced into 1 cm thick sections which were then radiometrically age dated and analyzed for those organic compounds and trace metals suspected of being contaminants in the sampling areas47C Ocean Sciences & Technology: Physical & Chemical Oceanography68D Environmental Pollution & Control: Water Pollution & Control99F Chemistry: Physical & Theoretical ChemistryAldrinBottom sedimentsChemical analysisChlordanConservationContaminantsContaminationDDTDeltasDrill core analysisEcological concentrationGalvestonGalveston bayGulf CoastHexachlorobenzeneHistoryMarineMetalsMississippi RiverNational Status and Trends ProgramOrganic chlorine compoundsOrganic compoundsPesticidesPolychlorinated biphenylsPolycyclic aromatic hydrocarbonsQualityResourcesSamplingSedimentation ratesSedimentsTampa BayTexasTrace metalsUnited StatesWater pollution effectsWater pollution samplingHistorical Contamination of Mississippi River Delta, Tampa Bay, and Galveston Bay Sediments. National Status and Trends Program for Marine Environmental QualityReport