1.2. Purpose and scope
Given the need to identify and measure the external costs of air pollution, the NSW
Department of Environment and Conservation (DEC) has undertaken this project to
estimate the health costs of ambient air pollution in the Greater Metropolitan Region
(GMR).5 The primary goal is to provide robust information on the health costs of ambient
air pollution to assist decision-making on proposals with the potential to affect Greater
Sydney’s air quality.
This report considers the health effects of a range of air pollutants, including:
• particulates (PM10)6 • nitrogen dioxide (NO2)
• carbon monoxide (CO) • ozone (O3)
• sulfur dioxide (SO2) • lead (Pb)
• hydrocarbons • air toxics (benzene and 1,3-butadiene).
5
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