AWWA Publishes Wastewater Operator Certification Study Guide
August 5, 2009 // Published as a news service by IHS
The American Water Works Association (AWWA) published the Wastewater Operator Certification Study Guide: A Guide to Preparing for Wastewater Treatment Certification Exams.
The guide includes:
- Questions similar to those on state wastewater-operator certification exams for Grades I, II, III and IV.
- Answers and references for further study.
- Seventy-five math questions and answers (with methods to solve) for conversions, percentages, weights, loading and pumping rates, dosages and other areas covered on certification exams
- A pumping section.
- A summary of wastewater treatment equations with more than 200 equations covering area, electricity, biochemical oxygen demand, biosolids pumping, chemical feed rates, dewatering, composting, flow rates, mixtures, dissolved air flotation and pumping rates.
For more information, visit the AWWA web site.
Source: American Water Works Association (AWWA).
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