Issue 4: To update normative references, incorporate revised "boilerplate" language from NSF/ANSI 2, correct an error in 6.1 - Cleaning and sanitization procedures, and allow the use of ColiScan® MF and CHROMagarTM as equivalent, alternate, selective media to Chromocult® for the recovery and enumeration of Escherichia coli 11229 for the In Place Cleaning assay.
