NSF certifies vapor control balls

• Orange Products' vapor control balls certified to NSF Drinking Water System Components standard ANN ARBOR, MI, July 2, 2008 -- NSF International, a not-for-profit, public health and safety organization, announced today that it has certified vapor control balls, also known as "shade balls," produced by Orange Products Inc. The shade balls met the requirements of NSF/ANSI Standard 61: Drinking Water System Components -- Health Effects, which includes requirements for all products that come in contact with drinking water. The vapor control or shade balls are four-inch diameter high-density polyethylene balls that are intended for vapor control in potable water tanks and reservoirs with an average depth of nine feet or more. "Vapor control or shade balls are used for blocking sunlight and reducing heat loss, evaporation and... [read full story]