HOUSTON--(BUSINESS WIRE)--KMG-Bernuth, Inc., a subsidiary of KMG Chemicals, Inc. (NYSE: KMG), announced that the Conference of the Parties (COP) of the Stockholm Convention accepted the recommendation of the Persistent Organic Pollutants Review Committee that pentachlorophenol (penta) can continue to be produced and used as an industrial wood preservative for the treatment of utility poles and cross-arms. Delegates from several countries supported and defended the use of penta for industrial wo
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