Operator certification study guide
Subtitle: a guide to preparing for water treatment and distribution operator certification exams
By: By John Giorgi
Edition: 6th ed.
Publisher: American Water Works Association
Published: 2012
Place of publication: Denver, CO
Language: eng
Number of pages: 430
ISBN-13: 9781583218525
Subjects: Examinations; Water treatment plants; Certification; Employees; Sewage disposal plants; Purification; Water; Study guides; Distribution; Sewage