... that will affect water quality. Some recent approaches to the measurement of bacterial growth and metabolism directly in natural habitats are presented. water pollution water quality bacteria diseases sanitation water treatment waste disposal T. L. Bott' Bacteria and the Assessment of Water Quality...

... The term “cleaning” in the food processing industries refers to the treatment given all product contact surfaces following each period of use to remore all physical evidence of soil and to apply a bactericidal treatment to sanitize all surfaces. The normal period of use is less than one day...