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KMID : 0903519760190020112
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Journal of the Korean Society of Agricultural Chemistry and Biotechnology
1976 Volume.19 No. 2 p.112 ~ p.119
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A Survey on the Residues of Organochlorine Pesticides in Water , Mud and Clam Samples from the Kwangyang Bay , Korea
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Abstract
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The appearance of organochlorine pesticide residues in water, mud and clam (Meretrix lusoria) samples from the lower basin of Seomjin River around the Kwangyang Bay was surveyed to obtain the following results.
1) The concentrations of pesticide residues in the water samples were found to lie in the order of dieldrin$gt; aldrin$gt;α-BHC$gt; γ-BHC$gt; endrin$gt; heptachlor$gt; heptachlor epoxide and in the range of 0-48ng/ℓ.
2) The concentrations of pesticide residues in the mud samples were found to be in the order of aldrin$gt; dieldrin$gt;α-BHC$gt; γ-BHC$gt; heptachlor$gt; heptachlor epoxide$gt; endrin, ranging 0-10 ㎍/㎏ (dry matter), and to be more in lower layer than in upper layer.
3) The concentrations of pesticide residues in the clam samples were found to be in the of order heptachlor$gt;α-BHC$gt; γ-BHC$gt; aldrin$gt; heptachlor epoxide$gt; dieldrin$gt; endrin and in the range of 0.1-18 ㎍/㎏ (edible fresh muscle). The level reached the highest in 3-year old clams and sharply deceased thereafter.
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KEYWORD
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