The Houston Area Plumbing Joint Apprenticeship Committee will offer a 48 hour Backflow Prevention Assembly Testers Course. This course presents guidelines for acceptable practices for Testing Backflow Prevention Assemblies used in Cross Connection Control Programs. Course material includes information needed for identifying cross-connections, understanding how backflows occur and the dangers they present, methods used to control backflows and recommended applications for each type of backflow assembly, and hands-on testing and maintenance procedures for various assemblies.