19 Dec 2013 --- Arch Chemicals, Inc., a Lonza company, has filed a petition with the U.S. Department of Commerce and International Trade Commission to initiate antidumping and countervailing duty investigations with respect to Chinese calcium hypochlorite. Calcium hypochlorite is a common sanitizer used in pools and spas and has a number of other uses. Lonza has filed the petition on behalf of the domestic industry.
