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Assignment 1:
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Using the information available in on-line
reports from the U.S. Geological Survey (available at http://minerals.usgs.gov/minerals/pubs/mcs/),
develop a material flow analysis for mercury in the United
States.
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Determine all sources of inputs
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Identify the relative fractions of
mercury use that are employed in durable products and
that are released into the environment
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Determine if the masses into and out of
the system are in balance
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What policy strategies might most
effectively reduce mercury concentrations?
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Using the information available in on-line
reports from the U.S. Geological Survey (available at http://minerals.usgs.gov/minerals/pubs/mcs/),
develop a material flow analysis for arsenic in the United
States.
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Determine all sources of inputs
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Identify the relative fractions of
arsenic use that are employed in durable products and
that are released into the environment; estimate the
lifetime of durable products and estimate the stocks of
arsenic present in these products.
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Determine if the masses into and out of
the system are in balance
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What policy strategies might most
effectively be used to reclaim the arsenic in durable
products, preventing their release into the environment?
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Using the information available in on-line
reports from the U.S. Geological Survey (available at http://minerals.usgs.gov/minerals/pubs/mcs/),
develop a material flow analysis for cadmium in the United
States.
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Determine all sources of inputs. Is
cadmium mined directly or is it a byproduct of other
mining operations?
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Identify the relative fractions of
cadmium use that are employed in durable products and
that are released into the environment; estimate the
lifetime of durable products and estimate the stocks of
cadmium present in these products. Does cadmium enter
the environment through use in products in which it is
not intentionally added?
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Determine if the masses into and out of
the system are in balance
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What impact would reducing the use of
cadmium in durable goods likely have on cadmium flows?
(Recall your answer to Part a.)
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What policy strategies might most
effectively be used to reduce the release of cadmium
into the environment?
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(background in chemistry required)
Identify chemical processes that produce and consume
hydrochloric acid or chlorine. Identify possible
reprocessing and reuse networks for industrial uses of HCl.
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