Operator Certification Study Guide
Subtitle: A Workbook for Treatment Plant Operators and Distribution System Personnel/ (20206)
Edition: 3rd Spiral edition
Publisher: Amer Water Works Assn
Published: December 1989
Language: eng
Format: Paperback
Number of pages: 139
ISBN-13: 9780898673036
Subjects: Purification; Water; Distribution; Examinations, questions, etc