Pay in 4 interest-free payments of $25.00 Learn more
Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
is organized into 22 chapters addressing core test content on certification exams
it is directed towards people with little or no exposure to the water and wastewater industry
Water Treatment
Covers all 4 examination categories 2018 Revised Edition
water mains
Wastewater Operator’s Guide to Preparing for the Certification Examination (WEF) (Levels 1-4) Collection is organized into 22 chaptersThe Wastewater Operators Guide to Preparing for the Certification Examination was prepared jointly by the Water Environment Federation, the Association of Boards of Certification (ABC), and the Certification Commission for Environmental Professionals (C2EP). It outlines what you can expect from the exam, provides key formulas, and lets you test your skills with sample questions. Use the book to study on the go, and then when you get home, take an