Publisher description
Original publisher: [Washington, D.C.] : Transportation and Regional Programs Division, Office of Transportation and Air Quality, U.S. Environmental Protection Agency, [2010] OCLC Number: (OCoLC)726188915 Subject: Diesel motor exhaust gas -- Analysis. Excerpt: ... The final stage of the benefits analysis is to estimate the monetary value of the health impacts for each county and each of the three scenarios. As in the health incidence stage of the benefits analysis, here we follow techniques that are generally consistent with previous EPA RIA benefits analyses. As in those analyses, mortality benefits are estimated using the EPA standard Value of Statistical Life of $ 5.5 million ( 1990 dollars income levels, 1999 $ ). We also apply an EPA Science Advisory Board-recommended 20-year distributed lag between exposure and premature 1 mortality. When calculating monetized benefits, it is necessary to discount over this time period. Hence, we discount the mortality benefits at 3 % and then sum the monetary value of each independent endpoint. We estimated valuation for a cost year of 2006 and adjusted the Willingness to Pay ( WTP ) valuation functions to reflect 2008 projected income levels. Users interested in the complete technical details of the valuation stage may refer to the most recent PM and ozone RIAs ( U.S. EPA 2006; U.S. EPA 2008a ). 2.5 i. Annual versus Annualized Monetized Benefits The steps above produce an annual estimate of the benefits of reducing an incremental ton of PM from various emission sources for the year 2008. However, we expect that diesel retrofits 2.5 will provide a stream of benefits over a number of years. Moreover, the costs of these controls are frequently expressed in annualized terms that take into account the expected " lifetime " of the investment. Annualizing costs is the process of combining capital and operating-and maintenance costs and then distributing these costs on an annual basis over the life of the equipment. Thus, the
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Diesel Emissions Quantifier: health benefits methodology
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