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Water quality --- Water quality --- Quality assurance --- Quality control --- Measurement --- Measurement --- Ohio.
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Escherichia coli --- Water quality --- Bathing beaches --- Safety measures. --- Lake Erie. --- Ohio
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Water quality management --- USGS Ohio Water Science Center --- Management.
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Bacterial pollution of water --- Sewage --- Water quality management --- Recreation areas --- Environmental aspects --- Safety measures. --- Ohio
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Water quality --- Escherichia coli --- Environmental monitoring --- Environmental aspects --- Environmental aspects
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Water --- Water quality biological assessment --- Organic water pollutants --- Bacterial pollution of water --- Water quality management --- Pollution --- Point source identification. --- Methodology. --- Ohio.
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Sewage --- Water quality management --- Water --- Bioreactors --- Analysis. --- Pollution
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Farm manure, Liquid --- Dairy cattle --- Groundwater --- Water --- Feedlot runoff --- Transportation --- Manure --- Environmental aspects --- Pollution
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Drinking water --- Testing. --- Microbiology.
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