Filters: partyWithName: Caitlyn M Dugan (X)
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This metadata record presents analytical results for laboratory microcosms conducted during 2016–18 as part of a study to develop a field test and numerical interpretation method to determine the effective diffusion coefficients and sorption coefficients of trichloroethene (TCE) and daughter products in the rock matrix of sedimentary rock, as well as biodegradation rate coefficients in the borehole. The biodegradation rate coefficients in the borehole are an important component of defining the back-diffusion of TCE from the matrix of sedimentary rock. Microcosm experiments were conducted with microbial community samples and groundwater collected from boreholes in the field test area to define anaerobic biodegradation...
This dataset presents analytical results for laboratory and field tests conducted during 2015–19 as part of a bioremediation study in the wetland study area at Standard Chlorine of Delaware, Inc. Superfund site. Included in the dataset are (1) volatile organic compound and metal concentrations from field sampling in the wetland area, (2) results from in situ microcosms in the reactive barriers and control areas, and (3) volatile organic compound concentrations from laboratory experiments to test reactive mixtures for a barrier.
Categories: Data;
Tags: Aquatic Biology,
Environmental Health,
Hydrology,
USGS Science Data Catalog (SDC),
Water Quality,
In June 2019, the U.S. Geological Survey Maryland-Delaware-District of Columbia Water Science Center (MD-DE-DC WSC) team began to collect and inventory available information on toxic contaminants within the Chesapeake Bay Watershed. State agencies were contacted to determine available data. Also, the National Water Information System (NWIS) and National Water Quality Database (NWQD) were queried to gather relevant data for the compilation. The resulting tables contain records for available sites where specific analyte groups, Hg (mercury), PCB (polychlorinated biphenyls), or pesticides, have been collected with appropriate supplemental metadata including media, method, time frame, and frequency of collection. Sample...
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