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박정규,정흥배,문성환,류태권,류제영,황인영 한국환경독성학회 2001 환경독성보건학회지 Vol.16 No.4
1. 금호강물에 대한 상대독성과 수온, 전기전도도의 경우 달서천 내부, 금호강과 달서천의 합류점 하부, 합류점 상부 순으로 값의 크기를 보였고 pH의 경우 역순을 보이므로 달서천이 금호강과 달서천 합류점 하부에 영향을 주는 것으로 사료된다. 2. 금호강 하천수에 대한 Microtox 독성값과 온도, pH, 전기전도도의 상관성은 없었으므로 기존의 일반적인 몇 가지 수질 인자로는 독성변화 및 수준을 판단할 수 없다고 사료된다. 3. 36시간 연속 모니터링을 통해 짧은 시간에도 독성값이 달라지는 것으로 보아 수질의 독성 수준이나 오염 수준을 판단하기 위해서는 연속적인 독성 조사 및 분석이 필요하다고 사료된다. 4. 하천수에 대한 연속 모니터링만으로는 하천 생태 위해도를 평가하기는 어렵다. 따라서, 하천 퇴적물에 대한 특성을 병행하여 조사 분석하는 것이 유해화학물질에 의한 하천 오염을 평가하는 방법이 된다고 사료된다. The main point source of pollution of the Keumho river in Taegu, Korea, stems from waste from the areas of industrial complexes. Although it is widely accepted that pollutants in waste water negatively effects general water quality, it is difficult to evaluate the effluent effect because of varying conditions in ambient water and inconclusive knowledge of causative pollutants. To analyze the water in relation to the industrial effluent in the area, pH, temperature, conductivity, and Microtox toxicity of various river samples were measured. Water samples were collected every 2 hours for 36 hours from Keumho river and Dalseo stream. Data from continuous monitoring for 36 hours showed that effluent in Keumho river originated from Dalseo stream, which is near adjacent to industrial complexes. Change in toxicity and other factors tested during the 36 hours indicated that continuous monitoring was necessary for a satisfactory effluent toxicity test. Furthermore, in addition to water quality monitoring, it was concluded that sediment toxicity also needed to evaluate effluent effects.
해상 유류 유출 사고 후, 유류 해양 오염에 따른 주요 해산 어ㆍ패류내 PAHs 추적
황인영,박정규,박관하,김정상,정흥배,배철한 한국환경독성학회 2001 환경독성보건학회지 Vol.16 No.2
Marine organisms such as fish (Sebastes schlegeli) and mussels were cultured in sea water tanks placed at Dukpo area which was contaminated by the two oil spill accidents. Results showed that PAHs concentrations in fish tissue were higher than in fish liver. This was explained by the cytochrome P450 IA induction in fish liver after PAHs exposure. Other studies showed that higher PAHs levels were detected in mussels cultures in oil contaminated area than in control site. From these results, we concluded that Dukpo area is still polluted by oil including PAHs and it takes a long time to recover of oil contamination after the oil spill accidents.