Waterworks operator certification regulations, 1978
By: State of Washington, Department of Social & Health Services.
Publisher: Health Services Division, Water Supply & Waste Section
Published: 1978
Place of publication: Olympia, WA
Language: eng
Number of pages: 12
Subjects: Water-supply engineers -- Certification -- Washington (State)
Notes: Cover title.

Caption title: Chapter 248--55 WAC, Waterworks operator certification.