2 points; applies to Healthcare only. Use solder, flux, pipes and fittings for drinking water meeting California AB1953 lead limits, lead-free roofing and flashing, wire and cable under 300 ppm lead, no lead or intentionally added cadmium paints, removal of disconnected lead-stabilised wiring in renovations, and copper joints that are mechanically crimped or soldered to ASTM B828 with B813 flux; radiation and MRI shielding exempt.
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.