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이리시 (裡里市) 일원 정수의 위생화학적 (衛生學的) 연구
홍사욱,안영식,나규환,안연형 ( Sa Uk Hong,Young Gun Ahn,Kyu Hwan Ra,Youn Hyoung Ahn ) 한국하천호수학회 1973 생태와 환경 Vol.6 No.3·4
Hygienic and chemical research were proceed in the several wells among the 4 areas of I-Ri city, such as Mokchun-dong near the Man gyoung bridge, Dongsan-dong upper side of Mokchun-dong along the Man gyoung river, Namchung-dong in the north side of this city and Mohyun-dung in the northwest side of this city in August during Summer, 1970. Compare with the drinking water standard in our country, nearly all the wells water in this 4 areas was unsuitable for drinking water. In especially the concentration of Cl^- in those wells water of 4 areas are higher than those of most another county in our country. The concentration of Fe, NH₃-N and KMnO₄ consumed in the wells water of Mokchun-dong and the concentration of Fe and KMnO₄, consumed in the wells water of Dongsan-dong are higher value than that of the drinking water standard. In some of the wells, both of Nam chun and Mohyun-dong, the concentration of KMnO₄, consumed, Fe were found also higher value than that of standard.