Certification of competency as a group V (OIT) wastewater treatment plant operator
By: prepared by James M. McIntyre.
Series: Problem series - Huxley College of Environmental Studies, Western Washington State College; Problem series (Huxley College of Environmental Studies)
Publisher: Huxley College of Environmental Studies, Western Washington State College
Published: 1978
Place of publication: Bellingham, Wash
Language: eng
Number of pages: 16
Subjects: Sewage disposal plants -- Washington (State)
Notes: Includes bibliographical references.