A federal judge has ordered a supplier of metal drinking containers to stop claiming that plastic water bottles are dangerous. U.S. District Judge Robert Conrad ruled that Eco Canteen of Charlotte, N.C., must stop claiming in advertising that plastic water bottles injure public health. Eco Canteen claimed in websites and cable TV ads, one of whom featured an actress posing as an emergency room nurse, that plastic water bottles contain bisphenol A (BPA), an additive that has been linked to cancer and other disorders. In fact, BPA has been used in some reusable plastic drinking containers but is not present in most single-use water bottles. The International Bottled Water Association (IBWA) brought suit last year, claiming that Eco Canteen was willfully confusing consumers. Conrad granted the injunction sought against Eco Canteen’s ads but denied IBWA’s requests for monetary damages.