Cancer Risk Assessment Around Municipal Solid Waste Incinerators
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Creator 1. Patsiri Srivieng
2. Pensri Watchalayann
3. Warawut Suadee
Title Cancer Risk Assessment Around Municipal Solid Waste Incinerators
Publisher Thai Society of Higher Education Institutes on Environment
Publication Year 2564
Journal Title EnvironmentAsia
Journal Vol. 14
Journal No. 3
Page no. 102-116
Keyword Municipal solid waste incinerators, Air-quality modeling, Heavy metals, Dioxins, Health risk assessment, Cancer risk
URL Website http://www.tshe.org/ea/index.html
Website title EnvironmentAsia
ISSN 1906-1714
Abstract Many of the pollutants emitted from municipal solid waste incinerator (MSWI) have been classified by the International Agency for Research on Cancer (IARC) as carcinogenic to humans. This study adopted the Human Health Risk Assessment (HHRA) model of the U.S. EPA to estimate both the lung and skin cancer risks contributed by arsenic, cadmium, chromium, nickel and dioxin to people living near the proposed MSWIs in Lamphun and Surat Thani Provinces in the Northern and Southern Regions of Thailand, of which both locations, waste input was 231 tons/day. The estimated lifetime of cancer risk (LCR) was based on the maximum annual average concentration of compounds of potential concern (COPCs) predicted by the Air Quality Model (AERMOD). Three potential pathways were calculated in this study, namely, inhalation, ingestion and dermal contact, with 2 scenarios of residents who were exposed from birth and during adulthood. Results show that the lung-cancer risk values exceeded the reference level (E-06) in the range of 1.06E-06 to 4.41E-06 for both scenarios and locations. For the skin-cancer risk values did not exceed the reference level in the range of 1.63E-07 to 2.43E-07. Chromium contributed a greater impact to cancer risk as compared to other pollutants. Surat Thani may be at a higher risk for cancer than Lamphun because of its meteorology and terrain. With these results, the proposed MSWIs should have the appropriate air pollution controls and monitoring system, especially for those emitting carcinogenic pollutants. Moreover, the cancer incidence surveillance system should be designed to monitor the long-term health impact of the proposed MSWIs.
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