Prerequisite (required, no points); applies to all eight BD+C adaptations. Use no CFC or HCFC refrigerants in new HVAC and refrigeration systems, and complete a CFC and HCFC phase-out of reused equipment before completion (units holding less than 0.5 lb or 225 g of refrigerant are exempt).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.