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Usage and residue of pesticide were sureyed for five years from three golf courses which have morethan eighteenholes inKangwon-do from 1992 to 1996. A total of 186 samples(soils, lawns, effluents) were collected from these courses and residual levels of four kinds of organochlorines and twelve kin...

Usage and residue of pesticide were sureyed for five years from three golf courses which have morethan eighteenholes inKangwon-do from 1992 to 1996. A total of 186 samples(soils, lawns, effluents) were collected from these courses and residual levels of four kinds of organochlorines and twelve kinds of organophosphorus pesticides in each samples were determined by GC-ECD and GC-NPD. The amount of pesticide used in each golf course was 1, 635.6kg a year on the average, and that of pesticide to the green and the fairway were 33g/$\textrm{m}^2$ and 3g/$\textrm{m}^2$, respectively. The pesticide which was not permitted for the management of golf course was detected in 24 of 186 samples and its detection rate was 12.9%. The average pesticide residue in soils was 0.208 ppm for captan, 0.031 ppm for daconil, respectively. Detection rate of the prohibited pesticides has decreased every year since 1992, and there were no residues all the tested samples in 1996.Based on these results, it might be judged investigation methods of pesticide residue should be changed with current using pesticide from the prohibited pesticides and the criteria of residual pesticides in effluents of golf course also should be established.

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