December 13, 2007 - PVC, and PVC is the only plastic that uses phthalates as a softener, said Michael Schade, PVC campaign coordinator for the Center for Health, Environment and Justice, which has been pressing Sears and other companies to replace the substance."We're either at or approaching a tipping point for the use of PVC in packaging and products at major retailing chains in the U.S.," said Richard Liroff, executive director at the Investor Environmental Health Network. The nonprofit network is a...