� Established a corporate directive requiring the environmental evaluation of suppliers of hazardous waste services � 1980 Expanded our environmental evaluations of suppliers by establishing a second corporate directive that required the environmental evaluation of certain production-related suppliers � 1991 Further expanded our environmental evaluations of suppliers, adding a requirement that product recycling and product disposal suppliers be evaluated � 2002 Nongovernmental organizations raised a concern about electronic waste being exported to some non-OECD countries.