BAT Backflow Assembly Tester VIP Certification Exam

BAT — The Backflow Assembly Tester (BAT) certification is administered by ASSE International (ASSE Series 5000 standard) and by state/local water authority programs modeled on USC Foundation for Cross-Connection Control and Hydraulic Research guidelines; written exams typically contain 50–100 questions with a 70–75% passing threshold, covering cross-connection control principles, assembly types, hydraulic theory, and field testing procedures.