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      • 榮山江·蟾津江流域 耕作土 및 河川土中 有機鹽素系 殺虫劑의 殘留分析

        梁昌烋,徐鎔澤,沈在漢 全南大學校 農漁村開發硏究所 1985 농어촌개발연구 Vol.20 No.-

        Soil samples collected from 210 sites(paddy 95, up-land 71. river-sediment 44 sites) were analysed by steam distillation for organochlorine pesticide residues in Youngsangang and Somjin-gang riverside. The results obtained were as follows; The mean of total residue levels of organochlorine pesticide was 0.050ppm and mean residue levels of DDT homologues(p, p'-DDE÷p, p' -DDD+p,p'-DDT), cyclodiene chemicals( α-thiodan+ß-thiodan+aldrin+dieldrin+heptachlor) and BHC isomer(α-BHC-τ-BHC)was 0.021ppm, 0.021ppm and 0.008ppm in Youngsan-gang riverside respectively. The mean of total residue levels of organochlorine pesticide was 0. 078ppm and mean residue levels of DDT homologues, cyclodiene chemicals and BHC isomer was 0.036ppm, 0.036ppm. and 0.006ppm in Somjin-gang riverside respectively. The mean of total residue levels of organochlorine pesticide in up-land soil(0.095ppm) was six times higher than that of river-sediment(0.015ppm). α-BHC was detected in almost all soil samples and its mean residues was ranged from 0.002 to 0.006ppm. High levels of thiodan isomer and DDT homologues were responsible for the observed high organochlorine pesticide residues in up-land soil. The mean of total residue levels of organochlorine pesticide increased in the order of dieldrin. τ-BHC. p,p'-DDE, aldrin, α-BHC. heptachlor. ß-thiodan p,p’ -DDD, and p,p’-DDT. :0.

      • 榮山江·蟾津江流域 耕作土 및 河川土中 有機鹽素系 殺虫劑의 殘留分析

        梁昌烋,徐鎔澤,沈在漢 전남대학교 한국농어촌개발연구소 1985 농산어촌개발연구 Vol.20 No.-

        Soil samples collected from 210 sites(paddy 95, up-land 71. river-sediment 44 sites) were analysed by steam distillation for organochlorine pesticide residues in Youngsangang and Somjin-gang riverside. The results obtained were as follows; The mean of total residue levels of organochlorine pesticide was 0.050ppm and mean residue levels of DDT homologues(p, p'-DDE÷p, p' -DDD+p,p'-DDT), cyclodiene chemicals( α-thiodan+ß-thiodan+aldrin+dieldrin+heptachlor) and BHC isomer(α-BHC-τ-BHC)was 0.021ppm, 0.021ppm and 0.008ppm in Youngsan-gang riverside respectively. The mean of total residue levels of organochlorine pesticide was 0. 078ppm and mean residue levels of DDT homologues, cyclodiene chemicals and BHC isomer was 0.036ppm, 0.036ppm. and 0.006ppm in Somjin-gang riverside respectively. The mean of total residue levels of organochlorine pesticide in up-land soil(0.095ppm) was six times higher than that of river-sediment(0.015ppm). α-BHC was detected in almost all soil samples and its mean residues was ranged from 0.002 to 0.006ppm. High levels of thiodan isomer and DDT homologues were responsible for the observed high organochlorine pesticide residues in up-land soil. The mean of total residue levels of organochlorine pesticide increased in the order of dieldrin. τ-BHC. p,p'-DDE, aldrin, α-BHC. heptachlor. ß-thiodan p,p’ -DDD, and p,p’-DDT. :0.

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