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Creator:: Cooper, Richard Mark
Resource Type:: Masters Thesis
Full Text:: : Geostatistics Applied to Groundwater Contaminant Plume Characterization Abstract approved: Previous to this

Creator:: Smyth, Jeffrey D., Istok, Jonathan D., and Oregon State University. Water Resources Research Institute
Resource Type:: Technical Report
Full Text:: MULTIVARIATE GEOSTATISTICAL ANALYSI S OF GROUNDWATER CONTAMINATIO N

Creator:: Smyth, Jeffrey D.
Abstract:: A field study was conducted to determine the applicability of multivariate geostatistical methods to the problem of estimating and simulating pesticide concentrations in groundwater from measured concentrations of nitrate and pesticide, when pesticide is undersampled. Prior to this study, no published attempt had been made to apply multivariate geostatistics to...
Resource Type:: Masters Thesis
Full Text:: Geostatistical Analysis of Groundwater Contamination by Pesticide and Nitrate Abstract approved: / Jonathan

Creator:: Hopkins, Omar Snowden
Abstract:: Radon-222 gas has unique properties allowing it to be used as an indicator for the presence of organic phase liquids in the saturated zone. It naturally occurs in soils. It is radioactive, making quantitative detection straight forward. A noble gas, it is chemically inert and does not react with aquifer...
Resource Type:: Masters Thesis
Full Text:: .1 Ball's Synthetic Borden Groundwater 6 6 Table B.2 Synthetic Groundwater Used 6 7 Table E.1

Creator:: Alumbaugh, Robert E.
Abstract:: Benzylsuccinate (BSA), methylbenzylsuccinate (methylBSA), and ethylbenzylsuccinate (ethylBSA) are unambiguous anaerobic biotransformation products from toluene, xylenes, and ethylbenzene decay, respectively, and may be used to indicate intrinsic bioremediation is occurring at hydrocarbon-contaminated sites. In order to improve upon current methods that detect and quantify anaerobic hydrocarbon metabolites in field samples, solid-phase-extraction...
Resource Type:: Masters Thesis
Full Text:: Biotransformation in BTEX-Contaminated Groundwater. Abstract approved: Benzylsuccinate (B SA

Creator:: Davis, Brian M.
Abstract:: This study investigated the use of radon-222 as an in situ partitioning tracer for quantifying nonaqueous phase liquid (NAPL) saturations in the subsurface. Laboratory physical aquifer models (PAMs), field experiments, and numerical simulations were used to investigate radon partitioning in static (no-flow) experiments and in single-well, 'push-pull' tests conducted in...
Resource Type:: Dissertation
Full Text:: .......................................... 178 A4: LIQUID SCINTILLATION COUNTING USING THE PACKARD 2900 TR LSC IN THE GROUNDWATER RESEARCH LAB

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