AS 4276.5:2019 PDF
The objective of this Standard is to specify a method, using membrane filtration, for enumerating coliforms, Escherichia coli (E. coli) and thermotolerant coliforms in water other than packaged water.
The major changes in this edition are as follows:
(a) Combine the methods of AS/NZS 4276.5 with AS/NZS 4276.7.
(b) Incorporate chromogenic selective media that are capable of enumerating coliforms, Escherichia coli and thermotolerant coliforms in a more timely manner.
(c) Incorporate culture media and reagents.
(d) Remove reference to AS 4276.2.
(e) Update reference cultures.
(f) Update the normative and informative references.