• Title/Summary/Keyword: USEPA RAGS

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Establishment of Non-Drinking Groundwater Quality Standards: (1) Specific Harmful Substances (비음용 지하수 오염물질 기준설정체계 구축 연구: (1) 특정유해물질)

  • An, Youn-Joo;Nam, Sun-Hwa;Lee, Woo-Mi;Yoon, Sung-Ji;Yoon, Jin-Yul;Jeong, Seung-Woo;Kim, Hye-Jin;Kim, Huyn-Koo;Kim, Tae-Seung
    • Journal of Korean Society of Environmental Engineers
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    • v.35 no.9
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    • pp.630-635
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    • 2013
  • There is a need to establish systematic procedure of groundwater quality standards, however, there were no specified basis for establishing substances and values in Korean groundwater quality standards for non-drinking water. In this study, we reviewed basis for deriving groundwater quality standard in the developed countries, considering carcinogenic and non-carciongenic risk via inhalation and dermal contact exposure pathways. Also, we reviewed the prior systematic procedure of standards related to water quality (e.g. drinking water, surface water, and wastewater). USEPA RAGS, ASTM RBCA, and Massachusettes presented the formulas for deriving groundwater concentrations of chemicals and there were similarity and differences. We suggests systematic procedure of groundwater quality standards, as follows. (1) Selection of groundwater pollutants population, (2) Possibility of risk assessment, (3) Selection of monitoring priority substances, (4) Monitoring, (5) Risk assessment, (6) Selection of groundwater quality standard candidates, (7) Selection of new substances and values for groundwater quality standards. Especially, groundwater concentration of hazardous material were presented according to revised risk formulas via inhalation and dermal contact.