The Toxicity of Sevin to Goldfish1

Abstract
Under controlled laboratory evaluation, goldfish tolerated over 200 times as much technical Sevin, 1-naphthyl [image]-methylcarbamate, in the water as technical DDT (LD50 Sevin = 28 ppm.; DDT = 0.11 ppm.). Tested as a 50% wettable powder, the toxicity of Sevin was increased (LD50 50 W.P. = 14 ppm.), whereas the other ingredients in the formulation were innocuous.

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