Adoption, with amendment of Section 218, pp 474-488 of "Standard Methods for the Examination of Water and Wastewater" - 13th Edition 1971, prepared and published jointly by - american Public Health Association; american Water Works Association; Water Pollution Control Federation (USA).
Food microbiology, Method 14.3: Microbiology of food and animal feeding stuffs - Horizontal method for the enumeration of microorganisms - Colony count at 30°C by the surface plating technique (ISO 4833-2:2013, MOD)
