US. not signed internaltonal shipping of e-waste, 1989 Basel Convention
it "requires signatories to notify developing nations of incoming hazardous waste shipments. The United States is the only industrialized country not to ratify the convention." U.S.households discarded more than 300 million electronic devices in 2006, according to the E.P.A. at least 80% goes to landfills. 20% to brokers who ship to developing countries. Supposed to get EPA approaval but GAO investigation found many breaking not abiding by the regulation... [Grip Update]
Report Reveals Flawed U.S.E-Waste Policies, World Watch, January-February 2009, 5.