The National Gypsum plant in Shippingport, Pa., not only recycles 99 percent of its own waste, it recyles waste from a local power plant to make wallboard. The National Gypsum plant in Shippingport, ...
National Gypsum Company's Shippingport, Pa., wallboard plant has won the 2002 Governor's Award for Environmental Excellence. The award was presented at a special ceremony this morning at the Capitol ...
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