Coliform bacteria and E. coli in drinking water. Comparison of EU reference method with alternative methods

6 Literature

DS 2255 (2001) 2. ed.: Water quality – Enumeration of coliform bacteria and thermotolerant coliform bacteria – Multiple-tube fermentation method (Most Probable Number-method). The 1983-edition is exactly the same method. In 2001 the description of positive tubes was improved.

DS/EN ISO 6222 (2000) Water quality – Enumeration of culturable microorganisms – colony count by inoculation in a nutrient agar culture medium with addendum from 2002 (danish translation).

EN ISO 9308-1 (2000) Water quality – Detection and enumeration of Escherichia coli and coliform bacteria – Part 1: membrane filtration method. DS/EN ISO 9308-1.

Federal Environmental Agency of Germany (2001) Microbiological detection methods as per Drinking Water Directive TrinkwV 2001 – List of alternative procedures in accordance with TrinkwV 2001, Art. 15, Paragraph 1. An announcement from the German Federal Environmental Agency.

Idexx (2003) Hand-out to the ISO/TC147 & CEN/TC230 meeting – October 2003.

ISO/DIS 17994 (2002) Water quality – Criteria for establishing the equivalency of two microbiological methods.

Morrison, S (2004) Personal communication. Idexx, UK.

Niemela, SI, Lee, JV & Fricker, CR (2003) A comparison of the International Standards Organisation reference method for the detection of coliforms and Escherichia coli in water with a defined substrate procedure. J. of Appl. Microbiology, 95, 1285 - 1292.

Ossmer, R., Schmidt, W. & Mende, U. (1999) Chromocult® Coliform Agar. Influence of Membrane Filter Quality on Performance. XVII Congresso de la Sociedad, Espanola de Microbiologia, del 17 al de Septiembre, Granada. Merck KgaA, Darmstadt, Germany.

RIVM and KIWA (2001) Comparison between NEN-EN-ISO 9308-1 and an alternative method for the enumeration of coliform bacteria and Escherichia coli. Netherlands National Institute for Public Health and the Environment (RIVM).

 



Version 1.0 February 2007, © Danish Environmental Protection Agency