| National
efforts: Identify sources |
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| u | Can
we identify sources? |
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| » | Congress
directed a report on mercury emissions, produced in 1997 |
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| » | Good
summary information |
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| » | No
state or local information |
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| u | Emission
inventories |
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| » | Most
recent inventory is for 1996 |
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| » | Toxics
inventory presents information in summary form only by |
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| category |
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| » | Data
about individual sources limited; harder to define actions |
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| » | Estimates
vary greatly between sources |
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| u | PBT
pollutants added to Toxics Release Inventory |
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