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"If you are not happy with the Self-Study Training Materials, for any reason, just let us know and I'll personally rush you a 100% refund." - Robert A. Funk, P.E., President OCTWQA.org
Mechanical Tech & Equipment Maintenance (WD-71)
One of the many mechanical technology workbooks. 9 chapters.
Basic Practical Hydraulics (WD-73)
Basic introduction to hydraulics for water distribution ...
Water Sources, Quality Parameters (WD-76)
This condensed, useful workbook contains 150 pages.
Grade 5 Water Distribution Math Tutoring Review Book (WD-82)
Revised in 2020, grade 5 operators can use this manual to ...
Distribution System Pipeline Improvement Project (WD-112)
Workbook contain typical distribution pipeline construction ...
Grade I-II Revised WD Certification Review Workbook (WD-52)
Booklet to help prepare for certification exam.
Edition A- Grade I Water Distribution Operator Certification Review Practice Exam (WD-507)
Grade I. Edition B is the most current edition for Grades ...
Edition B - Grade I Water Distribution Operator Certification Review Practice Exam (WD-518)
Grade 1. Edition B is the most current edition for Grades ...
Edition A - Grade II Water Distribution Operator Certification Review Practice Exam (WD-508)
Grade 2. Edition B is the most current edition for Grades ...
Edition B - Grade II Water Distribution Operator Certification Review Practice Exam (WD-519)
Grade 2. Edition B is the most current edition for Grades ...
Edition B - Grade III Water Distribution Operator Certification Review Practice Exam (WD-520)
Grade 3. Edition B is the most current edition for Grades ...
Edition A - Grade IV Water Distribution Operator Certification Review Practice Exam (WD-521)
Grade 4. Edition B is the most current edition for Grades ...
Edition A - Grade V Water Distribution Operator Certification Review Practice Exam (WD-517)
Grade 5. Edition B is the most current edition for Grades ...
Study Module - Technology Review (WD-200)
Specifically concentrated exercises to help target your ...
Study Module - Disinfection (WD-201)
Specifically concentrated exercises to help target your ...
Study Module - Pumps & Motors (WD-202)
Specifically concentrated exercises to help target your ...
Study Module - Mathematics Problems (WD-203)
Specifically concentrated exercises to help target your ...
