The 1989 Assembly Bill, also know as the Integrated Waste Management Act, which established the basis for a new approach to management of California's waste stream, such as the mandated diversion goal of 50% by the year 2000.

also known as the California Integrated Waste Management Act. This state law requires each jurisdiction in California to divert at least 50 percent of its waste away from landfills, whether through waste reduction, recycling or other means.