Question: 2 pages text and 1 page graphs/equations maximum for your answer. Suppose Walden, Colorado is downstream from an abandoned heap leach goldmine. Cyanide residues of

2 pages text and 1 page graphs/equations maximum for your answer. Suppose Walden, Colorado is downstream from an abandoned heap leach goldmine. Cyanide residues of 2 ppm remain in the stream. Consult EPA website for critical levels. Check your math because this is a case of pollution! Use Course Concept in your explanations. (A) Define and discuss (using course readings and other available sources) what the EPA Maximum Contamination Level for Cyanide is equal to, why the level is important generally and to Walden specifically and potential impacts on humans and the environment. (B) Again relying on course materials (particularly economic concepts), what should Walden city water department officials do in this case? Name three remedies and Explain

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