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Backflow Prevention Backflow is the reversal of the direction of water or sewage due to a reversal of pressure. In either case, contamination occurs. This contamination can be limited an individual building or extend to the city water supply. Backflow Prevention: Water Systems Flood Guard: Sewer Line Backup
Related articles/Websites: University of Southern California Manual of Cross-Connection Control 9th edition available from the Foundation for Cross- Connection Control and Hydraulic Research |
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