ERCO Worldwide has a 100-year history producing chemicals and a long history of supplying environmentally preferred chlorine dioxide technology to the pulp and paper industry. This technology is now positively impacting worldwide water treatment. ERCO's superior reputation as a leading solutions developer and leading supplier of sodium chlorate and technology to the pulp and paper and water technology industries, coupled with a regional supplier of potassium and chloralkali products to the U.S. Midwest is reinforced with 152 patents and 28 pending applications. ERCO Worldwide, A division of Superior Plus LP., has six manufacturing facilities located in Canada, two in the USA, and one in Chile, South America, with its engineering and sales offices based in Toronto, Canada. Phone (416) 239-7111, www.ercoworldwide.com.