Guidelines, State one-year certification program for wastewater treatment projects
By: Washington State Department of Ecology, Water Quality Financial Assistance Program.
Publisher: The Program
Published: 1991
Place of publication: [Olympia, Wash.]
Language: eng
Number of pages: 37
Subjects: Sewage disposal plants -- Certification -- Washington (State); Water treatment plants -- Certification -- Washington (State)
Other titles: State one-year certification program for wastewater treatment projects.; Certification program for wastewater treatment projects.
Notes: "April 1991."

"91-11"--Cover.