BACKFLOW PREVENTION METHOD definition
BACKFLOW PREVENTION METHOD means any method and/or non-testable device installed at a water service line or at a plumbing fixture to prevent a backflow contamination event, provided that the method or non-testable device is appropriate for the identified contaminant at the cross connection.
BACKFLOW PREVENTION METHOD means any method and/or non-testable device installed at a water service line or at a plumbing fixture to prevent a backflow contamination event,
BACKFLOW PREVENTION METHOD means any method