Bacteriological safety.
Contributors: Washington State University. Cooperative Extension.
Series: Water quality; Extension bulletin -- 0995.; Extension bulletin (Washington State University. Cooperative Extension) -- 995.; Water quality (Washington State University. Cooperative Extension)
Publisher: Cooperative Extension, College of Agriculture, Washington State University
Published: 1981
Place of publication: Pullman, Wash
Language: eng
Subjects: Water -- Microbiology; Drinking water -- Purification; Water -- Purification -- Chlorination; Water -- Purification -- Ultraviolet treatment
Notes: Caption title.

"November 1981"--P. 4.