surface water sampling Articles
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Microbial reporter gene assay as a diagnostic and early warning tool for the detection and characterization of toxic pollution in surface waters
Surface water samples constantly receive a vast mixture of micropollutants mainly originating from waste water treatment plants (WWTPs). High throughput live cell arrays provide a promising method for the characterization of the effects of chemicals and the associated molecular mechanisms. In the present study this test system was evaluated for the first time for the characterization of a set ...
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Assessing selenium contamination in the irrigated stream–aquifer system of the Arkansas river, Colorado
Received for publication December 4, 2008. Prudent interventions for reducing selenium (Se) in groundwater and streams within an irrigated river valley must be guided by a sound understanding of current field conditions. An emerging picture of the nature of Se contamination within the Lower Arkansas River Valley in Colorado is provided by data from a large number of groundwater and surface water ...
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Complex watersheds, collaborative teams: Assessing pollutant presence and effects in the San Francisco Delta
There is a great diversity of sources of chemical contaminants and stressors over large geographic areas. Chemical contaminant inputs and magnitude can potentially vary widely seasonally over large geographic areas. Together these factors make linking exposure to monitored chemical contaminants and effects difficult. In practice, this linkage typically relies upon relatively limited chemical ...
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PRB Installation at Superfund Site Using Angled Drilling - Case Study
ABSTRACT BOS 100® was injected adjacent to and beneath a stream using a direct push angle drilling technique to successfully create a PRB and limit PCE flux from the upgradient source area into the stream. CHALLENGES The Superfund site is a former textiles facility where tetrachloroethylene (PCE) was used in dry-cleaning operations. Approximately one-half mile downgradient of the source ...
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Radiological safety and environmental monitoring aspects of mining and processing of uranium ore at Jaduguda, India
Low–grade uranium ore is mined and processed in India since the early 1970s. To adhere to the regulatory compliance monitoring of external gamma level, radon and long–lived alpha activity of ore dust is carried out in uranium mines. Apart from this, surface contamination is also monitored in radiologically important areas of ore processing plant. Exposure of occupational workers is evaluated ...
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