Voluntary certification program for water works and water pollution control system operators in the State of Washington.

Bibliographic Details
Corporate Authors:	Washington (State). Division of Health, American Water Works Association. Pacific Northwest Section, Pacific Northwest Pollution Control Association
Format:	Book
Language:	English
Published:	[Olympia?], [publisher not identified] ; 1972.
Subjects:	Waterworks > Employees > Washington (State) > Certifications. Sewage disposal plants > Washington (State) > Officials and employees > Certification.

Description
Item Description:	Cover title. Administered by Water Supply and Waste Unit, Washington State Health Services Division, Department of Social and Health Services, Pacific Northwest Section, American Water Works Association, [and] Pacific Northwest Pollution Control Association.
Physical Description:	5 unnumbered pages, 132 columns. ; 28 cm.