BAYWORK & BACWWE Water Treatment Grade T2 and T3 Study Course
48:06
BAYWORK & BACWWE Drinking Water Disinfection
1:08:06
Operator Certification: Collections Systems
44:27
BAYWORK/BACWWE Water Distribution Certification Prep Class - Grades 1-3
4:39
Water Math: Basic Dosage Questions For Treatment
15:00
Chloramine Formation and Reactions With Chlorine
1:55:08
Water Treatment Prep Class Operator Certification Exam – Grades 4 and 5
7:51
WATER DISTRIBUTION OPERATOR CERTIFICATION EXAM - 4 PRACTICE PROBLEMS
1:33:41