9781500205539 - arsenic concentrations, related environmental factors, and the predicted probability of elevated arsenic in groundwater in pennsylvania di gross, eliza l.; low, dennis j. (3 risultati)

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Paperback. Condizione: new. Paperback. Analytical results for arsenic in water samples from 5,023 wells obtained during 1969-2007 across Pennsylvania were compiled and related to other associated groundwater- quality and environmental factors and used to predict the prob- ability of elevated arsenic concentrations, defined as gr…eater than or equal to 4.0 micrograms per liter (mg/L), in ground- water. Arsenic concentrations of 4.0 mg/L or greater (elevated concentrations) were detected in 18 percent of samples across Pennsylvania; 8 percent of samples had concentrations that equaled or exceeded the U.S. Environmental Protection Agen- cy's drinking-water maximum contaminant level of 10.0 mg/L. The highest arsenic concentration was 490.0 mg/L. This item is printed on demand. Shipping may be from our UK warehouse or from our Australian or US warehouses, depending on stock availability.