A number of researchers have reported the contribution of laundering factors including temperature, detergents, laundry aids, and drying conditions on residue of pesticides in protective apparel fabrics after laundering; however, all laundering research to date has been conducted with unused fabrics. Soiling is enhanced by maximum surface area per volume; that is, the more crevices and fiber disruptions, the greater the potential for penetration and entrapment of soil. Abrasion, a usual part of wear oftextiles, can increase fiber disruptions. This study was undertaken to assess the predisposition of functionally finished cotton and polyester specimens to pesticide soil because of the physical and chemical changes that occur during wear and to assess the effectiveness of soil removal. Specimens were altered by laundering and abrasion and differed in methyl parathion soil absorption and completeness of residue removal in laundering, theorized to be due to changes caused by laundering rather than abrasion damage. Durable press cotton was particularly susceptible to abrasion and pesticide residue retention and thus should not be selected for protective apparel. Acrylic acid soil release finish did not contribute to soil removal but did enhance soiling and inhibit soil removal.
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