Revising the arsenic MCL - mixing economic costs and health benefits

Article Abstract:

A discussion is presented on the method used by the Environmental Protection Agency to arrive at a maximum contamination level standard for arsenic, along with a critique. It is posited that the costs in implementing the new standard outweigh health benefits.

Standards, Laws, regulations and rules, United States. Environmental Protection Agency

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Modeling BOD removal in constructed wetlands with mixing cell method

Article Abstract:

Two mathematical methods are compared for accuracy in representing the removal of biological oxygen demand, focusing on the continuous flow stir tank reactor model.

Methods, Models, Management, Bioremediation, Fluid dynamics, Bioreactors, Constructed wetlands, Biochemical oxygen demand

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Removal of arsenic from ground water by manganese dioxide-coated sand

Article Abstract:

Continuing research is presented on arsenic removal methods, focusing on issues surrounding feed water charge, pH, and amount of metals and phosphorus present.

India, Usage, Environmental aspects, Water, Water treatment, Water, Underground, Groundwater, Sand, Sands

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