Surface-to-food pesticide transfer as a function of moisture and fat content

Journal of Exposure Science & Environmental Epidemiology
Anne P VonderheideLisa Jo Melnyk

Abstract

Transfer of pesticides from household surfaces to foods may result in excess dietary exposure in children (i.e., beyond that inherent in foods due to agricultural application). In this study, transfer was evaluated as a function of the moisture and fat content of various foods. Surfaces chosen for investigation were those commonly found in homes and included Formica, ceramic tile, plastic, carpet, and upholstery fabric. Each surface type was sprayed with an aqueous emulsion of organophosphates, fipronil, and synthetic pyrethroids. In the first phase of the study, multiple foods (apples, watermelon, wheat crackers, graham crackers, white bread, flour tortillas, bologna, fat-free bologna, sugar cookies, ham, Fruit Roll-ups, pancakes, and processed American cheese) were categorized with respect to moisture and fat content. All were evaluated for potential removal of applied pesticides from a Formica surface. In the second phase of the study, representative foods from each classification were investigated for their potential for pesticide transfer with an additional four surfaces: ceramic tile, plastic, upholstery, and carpet. Moisture content, not fat, was found to be a determining factor in most transfers. For nearly all surfaces...Continue Reading

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Citations

Dec 24, 2009·Journal of Exposure Science & Environmental Epidemiology·Lisa Jo MelnykJeffrey N Morgan
Jul 1, 2010·Journal of Exposure Science & Environmental Epidemiology·Xiangmei May WuIrva Hertz-Picciotto
Sep 12, 2012·Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment·A M Riederer, C Lu
Apr 27, 2011·Environmental Science & Technology·Lisa Jo MelnykLarry C Michael
Sep 29, 2019·Occupational and Environmental Medicine·Evangelia-Theano SmpokouBen Caplin
Nov 4, 2011·Journal of Environmental Monitoring : JEM·Lisa Jo MelnykLarry C Michael

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