Microbiology of food and animal feeding stuffs-Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli-Part 2 : Colony-count technique at 44°C using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide. ISO 16649-2. 2001
Microbiology of food and animal feeding stuffs-Horizontal method for the detection and enumeration of Enterobacteriaceae-Part 1 : Detection and enumeration by MPN technique with pre-enrichment. ISO 21528-1. 2004
Microbiology of food and animal feeding stuffs-Horizontal method for the enumeration of Enterobacteriaceae-Part 2 : Colony count method. ISO 21528-2. 2004
Microbiology of food and animal feeding stuffs-Horizontal method for the enumeration of β-glucuronidase-positive Escherichia coli-Part 3 : Most probable number technique using 5-bromo-4-chloro-3-indolyl-β-D-glucuronide. ISO 16649-3. 2005
Microbiology of food and animal feeding stuffs-Horizontal method for the enumeration of presumptive Escherichia coli-Most probable number technique. ISO 7251. 2005