What process led to SB 346?
• A: SB 346 is based on the work of the Brake Pad Partnership, a collaborative group of brake manufacturers, environmentalists, stormwater management entities, and regulators that originally came together to understand the impact on the environment of brake pad wear debris. Before the Partnership committed to investing significant state and private resources in technical studies, the Brake Manufacturers Council (BMC) and its members (primarily manufacturers of original equipment friction materials) agreed to introduce reformulated products within five years if the technical studies indicated that copper in brake pads was contributing significantly to water quality impairment. The State Water Resources Control Board and Caltrans together contributed close to $1 million towards paying for the subsequent research into the issue. In late 2007 the Partnership completed a series of interlinked laboratory, environmental monitoring, and environmental modeling studies that indicated that brake