Manual of backflow prevention and cross-connection control
Subtitle: Ohio Environmental Protection Agency
Publisher: OEPA
Published: 1976
Place of publication: Columbus
Language: eng
Number of pages: 63
Subjects: Water -- Pollution -- Handbooks, manuals, etc; Sewage -- Environmental aspects; Sewage disposal; Water-supply engineering
Notes: Originated in the Office of Public Water Supply

Addendum tipped in

Bibliography : p. 63