Description Who is this book for? This book is for anyone studying for the Grade 1 or Grade 2 , Water Distribution Operator Certification Exam.
Each Practice exam contains.
What\'s inside this book? This book contains three full-length Practice tests that will help operators and students prepare for the Water Distribution Operator Certification Exams.
It\'s intended for newer operators, who are pursuing the first two certification levels.
Description Who is this book for? This book is for anyone studying for the Grade 1 or Grade 2 , Water Distribution Operator Certification Exam