This edition includes a new chapter on conducting a cross-connection control survey and expands the discussions on assessing the risks and preventing backflow. A greatly expanded appendix details how to test most backflow-prevention devices. Other issues covered include backflow prevention principles, assembly, application, installation, and maintenance; health and legal concerns; and detailed information on potential and real hazards.

This manual is intended for use by all professionals charged with protecting the public water supply with proper backflow prevention and cross-connection control programs. Thisfifth edition provides greater insight to the roles of the plumbing, fire protection, irrigation and other related industries.

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