본 연구는 낙동강수계의 잔류의약물질을 관리하기 위한 기초자료로 제시되었다. 낙동강 본류에서 Iopromide는 $0.0015{sim}0.37{mu}g/L$, Mefenamic acid은 $0.0087{sim}0.056{mu}g/L$, Diclofenac은 $N.D.{sim}0.01{mu}g/L$, Atenolol은 $N.D.{sim}0.024{mu}g/L$, Propranolol은 $N.D.{sim}0.0038{mu}g/L$, Lincomycin은 $0.0005{sim}0.038{mu}g/L$, Trimethoprim은 $N.D.{sim}0.0083{mu}g/L$의 농도범위로 검출되었다. 유역의 하수처리장에서는 대부분 고농도로 검출되었으며, 특히 Iopromide가 최고 $5.38{mu}g/L$까지 검출되었다. 축산폐수처리장에서는 린코마이신이 최고 $477{mu}g/L$로 가장 높게 검출되었다. 조사결과, 낙동강 본류에서 의약물질은 구미하수처리장과 대구 금호강의 유입으로 농도가 높아져 인구 산업밀집지역의 영향이 큰 것으로 판단된다. 따라서 낙동강의 잔류의약물질을 효율적으로 관리하기 위해서는 금호강과 하 폐수처리장을 지속적으로 모니터링하고 관리하는 것이 바람직한 것으로 사료된다.
This study was suggested as fundamental data to control medical materials remained in Nakdong range gauge. The level of Iopromide detected in Nakdong mainstream was $0.0015{sim}0.37{mu}g/L$, Mefenamic acid $0.0087{sim}0.056{mu}g/L$, Diclofenac $N.D.{sim}0.01{mu}g/L$, Atenolol $N.D.{sim}0.024{mu}g/L$, Propranolol $N.D.{sim}0.0038{mu}g/L$, Lincomycin $0.0005{sim}0.038{mu}g/L$, and Trimethoprim $N.D.{sim}0.0083{mu}g/L$. At sewage disposal plant in the region, most of them were detected high levels of density. Especially, the level of Iopromide was found the highest up to $5.38{mu}g/L$. At livestock wasted water disposal plant, the level of lincomycin was detected the highest figure of $477{mu}g/L$. As a result, medical materials from Nakdong River mainstream got increasing the concentration due to inflow from sewage disposal plant in Gumi and River Geumho in Daegu, which affects residential and industrial areas significantly. Therefore, to control medical materials remained in Nakdong River efficiently, Geumho River and sewage disposal plants shall be continuously monitored and managed, which is recommendable.
