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Risk Assessment of Groundwater Used for Washing GAP-certified Agricultural Crops after Harvest

GAP 농산물의 수확 후 처리에 사용되는 지하수의 위해성평가

  • Kim, Hwang-Yong (Research Policy Bureau, Rural Development Administration) ;
  • Paik, Min-Kyoung (Agromaterial Assessment Division, National Institute of Agricultural Sciences) ;
  • Kim, Areumnuri (Chemical Safety Division, National Institute of Agricultural Sciences) ;
  • Lee, Dong Gyu (Seongju office, National Agricultural Products Quality Management) ;
  • Jeong, Mihye (Agromaterial Assessment Division, National Institute of Agricultural Sciences) ;
  • Kim, Won-Il (Microbial Safety Team, National Institute of Agricultural Sciences) ;
  • Oh, Jin-A (Agromaterial Assessment Division, National Institute of Agricultural Sciences) ;
  • Kim, Se-Ri (Microbial Safety Team, National Institute of Agricultural Sciences) ;
  • Hong, Su-Myeong (Agromaterial Assessment Division, National Institute of Agricultural Sciences)
  • 김황용 (농촌진흥청 연구정책국) ;
  • 백민경 (국립농업과학원 농산물안전성부 농자재평가과) ;
  • 김아름누리 (국립농업과학원 농산물안전성부 화학물질안전과) ;
  • 이동규 (국립농산물품질관리원 성주사무소) ;
  • 정미혜 (국립농업과학원 농산물안전성부 농자재평가과) ;
  • 김원일 (농촌진흥청 국립농업과학원 유해생물팀) ;
  • 오진아 (국립농업과학원 농산물안전성부 농자재평가과) ;
  • 김세리 (농촌진흥청 국립농업과학원 유해생물팀) ;
  • 홍수명 (국립농업과학원 농산물안전성부 농자재평가과)
  • Received : 2019.10.02
  • Accepted : 2019.11.26
  • Published : 2019.12.30

Abstract

Recently, due to the fact that the mineral content in the wash water of the GAP-certified melon exceeds the GAP wash water standards, there are cases where the certification cannot be maintained. Therefore, agricultural industry demand requesting relaxation of the inorganic elements standard for water quality has been increasing, taking into account the consumption characteristics of Korean melon, which is eaten after removing the peel. This study was conducted to evaluate the human risks of four inorganic materials (fluorine, arsenic, iron and manganese) based on the water quality data of 142 samples of groundwater that was used for washing GAP-certified Korean melon in Seongju area from 2017 to 2019. As a result, the HQ of four minerals in Koreans who consumed groundwater used for washing GAP-certified Korean melons in the Seongju area was below 0.10 on average. In particular, in the case of iron and manganese which are esthetic influence substances, the average HQ was 0.00. The overexposure group showed 0.01, which was lower than the HQ (average 0.01, overexposure group 0.03) of the group that consumed Korean melon. Based on all the results, even if the groundwater of the Seongju area is used to wash GAP-certified Korean melon, the impact from these four inorganic materials, including iron and manganese, for Korean population consuming Korean melon will be minimal.

세척수에 포함된 무기물질의 함량이 먹는 물의 수질기준을 초과하여, 참외 GAP 인증을 받지 못하는 사례가 최근 들어 종종 발생하고 있다. 이에 농업현장에서는 껍질을 제거하여 먹는 참외의 소비특성을 감안하여 세척수 수질기준의 일부를 완화해 줄 것을 요청하고 있다. 이에, 본 연구에서는 성주 지역에서 2017-2019년 GAP 인증 참외의 세척에 이용되는 지하수 142건의 수질자료를 근거로 무기물질 4종(불소, 비소, 철, 망간)의 인체 위해성을 평가하였다. 연구 결과, 성주 지역 GAP 참외의 세척에 사용되는 지하수를 음용수 수준으로 섭취하는 우리나라 국민의 4종 무기물질에 대한 HQ는 모두 평균 0.10 이하로 안전한 수준이었다. 특히, 심미적 영향물질인 철, 망간의 경우 성주 지역 지하수를 음용수 수준으로 섭취하는 경우 HQ가 평균 0.00. 과다노출군의 경우 0.01나타났는데, 일반 참외를 섭취하는 국민의 HQ(평균 0.01, 과다노출군 0.03)보다 낮은 수준이었다. 따라서, 성주 지역 지하수를 GAP 농산물의 세척에 활용하더라도 철, 망간을 포함한 4종 무기물질이 인체에 미치는 영향은 미미할 것으로 생각된다.

Keywords

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