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Cal EcoMaps
Methodology
Cal EcoMaps Environmental Impact Score
Scope
Environmental Impact Indicators
Total Toxic Releases
Releases per $1000 Revenue
Toxicity of Total Releases
Regional Contribution to Lifetime Cancer Risk
Preferred Waste Management Activities
Impact Score
Environmental Impact Score Ranking Lists
Petroleum
Fabricated Metals
Primary Metals
Chemicals
Industry Top 10 Facilities Graphs
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Fabricated Metals
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Environmental Impact Indicators
Each facility’s Cal EcoMaps Environmental Impact Score was based on five environmental impact indicators:
1)the total amount of toxic releases
2)toxic releases per $1000 of revenue
3)toxicity of total releases
4)regional contribution to lifetime cancer risk due to air emissions
5) waste managed through recycling, energy recovery, and treatment
These five variables were chosen because they represent the impact of each facility’s toxic releases on the environment and public health.
