Conclusions
Forest sprays of the organophosphate pesticide, Sumithion, at 2 or 3 oz/acre were less acutely harmful to fish than sprays of the chlorinated hydrocarbon pesticide DDT have been in the past. Possible indirect or chronic effects cannot be discounted.
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Hatfield, C.T., Riche, L.G. Effects of aerial sumithion spraying on juvenile atlantic salmon (Salmo salar L.) and brook trout (Salvelinus fontinalis Mitchill) in Newfoundland. Bull. Environ. Contam. Toxicol. 5, 440–442 (1970). https://doi.org/10.1007/BF01559055
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DOI: https://doi.org/10.1007/BF01559055