Purity Zinc Metals Inc., Clarksville, TN, said it would begin operating a new production/ administrative facility in June in Clarksville, adjacent to the company's former location. The company also said it plans to expand its Stoney Creek, Ontario, site by 8,000 square feet. Purity Zinc said the moves will improve production operations for zinc dust, used in anticorrosion organic and inorganic zinc-rich coatings.