Water treatment methods, equipment and materials, where needed, are designed, installed and operated for effective treatment and monitored regularly so they stay serviceable (11.5.2.1); water that goes into product or is used to clean and sanitise equipment is tested and treated as needed to stay potable (11.5.2.2); treated water is regularly monitored against specified indicators, treatment chemical use is monitored so residues stay within limits, and test results are recorded (11.5.2.3).
The graph holds this control, the 0 it maps to, and the evidence behind each claim, over MCP and REST.