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자동차 비배기관에 의한 미세먼지 배출량 추정 및 추이 분석 - 타이어 및 브레이크 마모 배출량 중심으로 -
최성우,최수아,이향경,유철 한국대기환경학회 2023 한국대기환경학회지 Vol.39 No.2
Non-exhaust emissions arising from tire and brake wear are receiving increasing attention as Particulate Matter (PM) reduction policy has expanded with the transition to eco-friendly fuels among vehicles. However, as non-exhaust sources (vehicles) are not included in the National Air Pollutant Emissions Inventory (NEI) of the Republic of Korea, the exact amounts of non-exhaust emissions are not able to be identified. This study estimates the TSP, PM-10, and PM-2.5 emissions from tire and brake wear based on EEA’s estimation method, and analyzes the trend of non-exhaust emissions. In 2019, when applying Tier 2 methodology, the air pollutant emissions from the wear of tires and brakes in the Republic of Korea comprised 11,418 tons of TSP, 9,046 tons of PM-10, and 4,622 tons of PM-2.5. The 2019 NEI shows national exhaust PM-2.5 emissions of vehicles from are in a downward trend while non-exhaust emissions of PM-2.5 is increasing compared to 2015 figures. The study’s results would allow figuring out the current status of non-exhaust PM-2.5 emissions from, for example, tire and brake wear, and would be used as the base data for establishing policies aiming to emphasize the importance of emissions management and to reduce the emissions.