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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
Water Distribution
Grade I-II Revised WD Certification Review Workbook (WD-52)
Booklet to help prepare for certification exam.
Distribution System Pipeline Improvement Project (WD-112)
Workbook contain typical distribution pipeline construction ...
Grade 5 Water Distribution Math Tutoring Review Book (WD-82)
Revised in 2020, grade 5 operators can use this manual to ...
Water Sources, Quality Parameters (WD-76)
This condensed, useful workbook contains 150 pages.
Basic Practical Hydraulics (WD-73)
Basic introduction to hydraulics for water distribution ...
Mechanical Tech & Equipment Maintenance (WD-71)
One of the many mechanical technology workbooks. 9 chapters.
Water Distribution Grade III-IV Math (WD-68)
Advanced distribution operator math for grades 3 and 4. ...