Service sector electricity use is estimated using the detailed IO workfiles and average electricity prices for these sectors. Conventional Pollutant emissions are from the U.S. EPA AIRS web site , using a concordance to the input-output sectors. Greenhouse Gas Emissions calculated by emissions factors from fuel use using U.S. EPA AP-42 emissions factors for CO2 and Methane. CMU-ET is a weighting scheme for toxic emissions to account for their relative hazard. The gross amount of toxic emissions is converted into metric tons of sulfuric acid emissions equivalent.
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Subtitle C hazardous waste generation, management and shipment was derived from the 1993 biannual US EPA report. External costs are calculated from conventional air pollutant emissions and estimates of pollution damage taken from the economics literature. Survey of Occupational Injuries and Illnesses 1992. We often say that a particular car is made by a company such as General Motors or at a particular plant. However, in any product such as an automobile, there are a large number of other companies involved as suppliers.