Water pollution control plant manual
Subtitle: laboratory equipment, testing schedule, procedures
By: Department of Ecology, Department of Social & Health Services.
Publisher: Washington State Dept. of Ecology?
Published: 1972
Place of publication: [Olympia, Wash
Language: eng
Number of pages: 55
Subjects: Sewage disposal plants -- Washington (State) -- Handbooks, manuals, etc
Notes: Cover title.

At head of title: State of Washington.

"Prepared by the Water Supply and Waste Unit of Department of Social and Health Services and the Washington State Department of Ecology"--Prelim. p.