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Study Guides

WEF offers you a variety of training options to fit your needs and busy schedules - distance learning coursesstudy guides, webcasts, conferences, and seminars.

Distance Learning Courses

Distance Learning Courses
The new Distance Learning Web site allows busy utility operators and other water professionals to pursue continuing education opportunities in a convenient distance learning format. The site currently includes the following eight courses, each containing a set of modules and a final exam.
  • Activated Sludge 
  • Disinfection 
  • Fixed Film Systems 
  • Natural Treatment Systems 
  • Preliminary Treatment 
  • Primary Treatment 
  • Purpose and Fundamentals of Wastewater Treatment 
  • Solids Handling 

Individual Certification Preparation

WEF/ABC Collection Systems Operators' Guide to Preparing for the Certification Examination
This study guide includes 240 questions with references, including a 100 question practice exam. Questions are all referenced and include feedback on each of the correct answers. Math practice questions are worked out in detail in both metric and English units. The ABC Need-To-Know matrix for four skill levels (Operator Level I - IV), tips for taking the exam and more are all included.

WEF/ABC Wastewater Operators' Guide to Preparing for the Certification Examination, 2nd Edition
Designed to help operators prepare more effectively for certification exams. Includes 240 questions based on validated need-to-know criteria for four skill levels (Operator Level I - IV). For each of the seven need-to-know criteria, the Guide provides: Need-to-know matrix, suggested topics for study, sample questions referenced to specific technical sources, practice with math problems in both metric and English units and feedback including detailed solutions for math problems.

WEF/ABC Wastewater Laboratory Analysts' Guide to Preparing for the Certification Examination
This study guide tests the skills and knowledge that is required by laboratory analysts who work at wastewater treatment plants. The guide includes questions based on many aspects of an analysts' job. More than 400 questions, corresponding answers, and detailed solution sets are included. Can be a handy reference tool for laboratory analysts to use on a daily basis.

Wastewater Collection Systems Operator Certification Studybook
This certification study aid is a valuable tool to help collection systems operators prepare for certification exams. Questions presented cover topics including: 

  • Background knowledge
  • Support systems
  • Operation and maintenance
  • Supervision and management
  • Safety procedures
  • Design and construction
  • Electrical pumps and motors
  • Mathematics

Detailed solution sets are provided for mathematical problems and all numerical problems are presented in both English and metric units. Includes a comprehensive glossary and reference list.

WEF/ABC Biosolids Land Appliers' Guide to Preparing for the Certification Examination   
This study guide accompanies Association of Boards of Certification’s (ABC’s) recently established Biosolids Land Appliers Certification Program as a means to assist individuals as they prepare for their certification exam. It includes sample questions for the seven core competencies of the two skill levels (Biosolids Land Appliers Class 1 and 2).

Self-Study Guides and Classroom Materials 

Wastewater Treatment Operator Training Manual: Overview, Preliminary, Primary, and Natural Treatment
This training manual is comprised of four chapters covering Wastewater Treatment Overview, Preliminary Treatment, Primary Treatment, and Natural Treatment Systems. Each chapter has specified learning objectives, detailed tables and figures, a five question quiz with answer sheet, and blank pages for note taking. Electronic versions of the manual and each chapter are available for purchase.

Operation of Municipal Wastewater Treatment Plants Study Guide
A companion piece to WEF’s Manual of Practice 11, this study guide reflects the state of the art in plant management and operation. The questions emphasize principles of treatment, plant management, troubleshooting, and preventive maintenance. The manual and study guide can be used for training classes, studying for certification exams, and improving the quality of operations within the treatment plant or firm.

Biological Nutrient Removal Operation Study Guide
Operating a biological nutrient removal (BNR) process can be complex and requires a high level of operator involvement and knowledge, and this study guide is a valuable resource for operators, engineers, consultants and regulatory agency staff. The study guide contains 100 problems and solutions, lists of conversion factors, an acronym list, and a glossary. This is a companion to Manual of Practice 29 “Biological Nutrient Removal Operation in Wastewater Treatment Plants”.

Wastewater Disinfection Training Manual
This manual covers the more traditional disinfection method, chlorination, as well as other widely used methods such as on-site sodium hypochlorite generation and ultraviolet disinfection methods in detail. Additionally, several alternative disinfection methods, such as chlorine dioxide and peracetic acid, are covered. With each disinfection technology covered, the manual discusses the properties of the disinfectant, equipment configurations, operating considerations, troubleshooting, and hazards and safety. Each section contains a chapter quiz, answers, and references.

Solids Handling Training Manual
This manual covers the conditioning, thickening, and dewatering processes using up-to-date information, photos, schematics, graphs, and examples of many process control calculations worked for you in both English and metric units. Quizzes are included.

Activated Sludge Process Control Training Manual
A manual for self-paced study of activated sludge process control topics. Includes: process overview, equipment & facilities, safety considerations, sampling & analysis, process control & troubleshooting topics. Contains photos, schematics and graphs as well as worked out example calculations and periodic quizzes to check your progress.

Activated Sludge Process Control Trainer's Kit
Based on the widely acclaimed CD-ROM Course of the same name, this kit has been peer-reviewed and field-tested by experienced trainers. It can be a complete course for new instructors or provide adaptable, peer-reviewed materials for experienced trainers. The six modules of the kit cover:

  • Activated Sludge Process Overview
  • Equipment and Facilities
  • Safety Considerations
  • Sampling, Analysis and Data Management
  • Process Control
  • Troubleshooting

This must-have training tool an instructor's manual that provides tips on using the kit, a complete script indexed to the slideshow, and answer keys for all quizzes, exercises, and exam questions; a sample copy of the student manual.

Basic Laboratory Procedures for the Operator-Analyst
This publication includes laboratory procedures most often performed in wastewater laboratories and general wet chemistry procedures, activated sludge processcontrol tests, bacteriological testing, and special sections about basic laboratory techniques and proper use of spectrophotometers and colorimetry.