Dermal and Respiratory Exposure to Applicators and Occupants of Residences Treated with Dichlorvos (DDVP)

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Single-family residences were treated with a 0.5% (AI) solution of dichlorvos (DDVP) to control Blattella germanica (L.). Pesticide applicators and residents of treated structures were monitored for evidence of DDVP exposure with exposure pads, air samplers, serum and erythrocyte acetylcholinesterase tests, and urinalyses. Toxic doses were 0.028%/h for applicators and 0.030%/h for residents who were present during application and remained in the treated structure for 24 h after treatment. There was no evidence of DDVP or the dichloracetic acid metabolite in the urine of the applicators or residents. There were slight but statistically significant differences in serum acetylcholinesterase activity of residents of treated structures, but erythrocyte acetylcholinesterase was unchanged. We concluded that there was not a significant risk, in terms of acute toxicity, to either the pesticide applicators or the residents of treated structures when DDVP was used for cockroach control.

Document Type: Research Article

Publication date: April 1, 1984

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  • Journal of Economic Entomology is published bimonthly in February, April, June, August, October, and December. The journal publishes articles on the economic significance of insects and is divided into the following sections: apiculture & social insects; arthropods in relation to plant disease; forum; insecticide resistance and resistance management; ecotoxicology; biological and microbial control; ecology and behavior; sampling and biostatistics; household and structural insects; medical entomology; molecular entomology; veterinary entomology; forest entomology; horticultural entomology; field and forage crops, and small grains; stored-product; commodity treatment and quarantine entomology; and plant resistance. In addition to research papers, Journal of Economic Entomology publishes Letters to the Editor, interpretive articles in a Forum section, Short Communications, Rapid Communications, and Book Reviews.
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