Preferred Rubber Compounding Corp. has introduced five EPDM compounds for potable water uses. The new compounds are designed for minimal extraction of ingredients in potable water applications. They won´t leach out when used to produce seals and gaskets for pipes and other conveyors of water, the company said. The compounds were classified by Underwriters´ Laboratories to the National Sanitation Foundation Standard 61, Drinking Water System Components-Health Effects. Preferred also offers four polyisoprene compounds suitable for use requiring exposure to cold potable water in pipes and related products. For more information about the compounds and other products from the company, visit its Web site at www.preferredrubber.com.