AS 4276.22:2019 PDF
The objective of this Standard is to specify a method for the enumeration of Escherichia coli (E. coli) and coliform bacteria.
This method is not to be used for the enumeration of E. coli and coliform bacteria in surface or shallow well waters.
This Standard is an adoption with national modifications and has been reproduced from ISO 9308-1:2014, Water quality — Enumeration of Escherichia coli and coliform bacteria, Part 1: Membrane filtration method for waters with low bacterial background flora and Amendment 1:2016.
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