P2 Tech - Does anyone know if there are any blue and green dyes that do not contain copper? Or contain a reduced amount of copper? Thank you, Becky Becky Lockart Office of Pollution Prevention Illinois Environmental Protection 1021 North Grand Avenue East P.O. Box 19276 Springfield, IL 62794-9276 217/524-9642 (voice) 217/557-2125 (fax) epa8611@epa.state.il.us