Journal of the Korean Society of Marine Environment & Safety (해양환경안전학회지)

The Korean Society of Marine Environment and safety (해양환경안전학회)
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Improvement of Performance Test Standards for Marine Pollution Prevention Materials and Chemicals (for Eco-toxicity Test)

해양오염방제 자재·약제의 성능시험기준 개선방안에 관한 연구(생태독성시험 항목)

  • Received : 2021.08.19
  • Accepted : 2021.10.28
  • Published : 2021.10.31
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Abstract

This study suggests ways to improve the standard test method and judgment criterion for the "Eco-toxicity Test" based on the rules and regulations provided in 'performance and qualifying test standards for marine pollution prevention materials and chemicals' in the Republic of Korea. Compared with the relevant references of other countries, this study attempted to find the limitations in the existing standards. As for the growth inhibition test of algae using Skeletonema costatum as an indicator, applying comparative analysis to measure specific growth rates, together with statistical analysis, instead of applying current methods, judged by the appearance of colors from the culture medium was suggested. Considering the exponential growth phase of the test species, the test duration was suggested to be reduced to less than four days. For the test with fish as an indicator, resetting the appropriate body size was suggested to, show consistent sensitivity against chenicals applied during testing. Furthermore, it is necessary to consider the criteria needs, which should be established in reasonable and objective ways. For the testing species, marine rotifer, Brachionus plicatilis could be a replacement for Artemia sp., and a bivalve for fish in the test. To improve the performance effectiveness of the "Eco-toxicity test", it is worth considering the designation of accredited testing institutes, by placing it in the same loop. Thus it is also expected to have a reliable management system in place, having the capacity of cost calculation properly and adjusting testing items if required.

우리나라의 '해양오염방제 자재·약제의 성능시험기준 및 검정기준 중 '생물에 대한 영향시험'(생태독성시험)의 시험방법과 판정기준의 개정과 관련한 방향을 제시하기 위해 현행 기준의 문제점을 파악하고 국가별 제도 비교를 통한 개선방안을 제시하였다. Skeletonema costatum을 이용한 성장저해시험의 경우, 배양액 색조를 비교하여 판단하는 기준 대신 측정된 성장률을 적절한 통계기법을 이용하여 비교 분석하는 과학적인 기준이 도입되어야 하며 시험기간의 경우, 지수성장기를 고려하여 4일 이내가 합당한 것으로 판단된다. 어류를 이용한 독성시험의 경우, 다양한 물질에 대한 독성시험 및 비교연구를 통해 방제 자재에 대해 일관되고 적절한 민감도를 나타낼 수 있는 보다 적절한 어체크기에 대한 재설정이 필요하고 이에 따른 합리적이고 객관적인 판정기준이 마련되어야 할 것으로 판단된다. 시험종의 경우, Artemia sp. 대신 해양 윤충류인 Rotifer, Brachionus plicatilis가 대안이 될 수 있으며 어류시험의 경우, 굴류(Oyster)와 같은 이매패류의 분류군을 이용한 독성시험으로의 대체 역시 대안으로 고려될 수 있다. 마지막으로 해양오염방제 자재·약제의 형식승인 시험과 관련하여 생태독성시험 분야의 경우, 업무의 특수성과 결과의 신뢰성을 고려하여 별도의 공인시험기관 지정 또는 관련 유사 법률과 연계한 일원화된 창구가 필요하며 수용가능한 수준의 시험비용 산정과 시험항목 조정을 통한 합리적인 제도개선이 필요할 것으로 판단된다.

Keywords

Acknowledgement

이 논문은 2021년 해양수산부 재원으로 해양수산과학기술진흥원의 지원을 받아 수행된 연구(해양산업시설 배출 위험유해물질 영향평가 및 관리기술 개발)이다.

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