Proprietary treatment products
Subtitle: recommended standards and guidance for testing, performance, application, design and operation & maintenance.
Contributors: Wastewater Management Program (Wash.); Washington (State). Office of Environmental Health & Safety.
Publisher: Washington State Dept. of Health, Office of Environmental Health & Safety, Wastewater Management Program
Published: 2005
Place of publication: Olympia, Wash
Language: eng
Number of pages: 27
Subjects: Sewage -- Purification -- Equipment and supplies -- Standards -- Washington (State); Sewage disposal -- Standards -- Washington (State)
Notes: "Effective January 10, 2005."

Also available on the Internet.