SIS-CEN/TR-15214-1 Characterization of sludges - Detection and enumeration of Escherichia coli in sludges, soils, soil improvers, growing media and biowastes - Part 1: Membrane filtration method for quantification

SIS-CEN/TR-15214-1 - 2006 EDITION - CURRENT


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This part of the CEN Technical Report specifies a membrane filtration procedure for the quantitative detection, by culture of individual colonies on chromogenic agar media, of Escherichia coli. in sludges, soils, soil improvers, growing media and biowastes. This part of the Technical Report is not suitable for materials whose treatment will significantly reduce bacterial levels to less than 10 viable E. coli per g wet weight, such as lime addition, drying or pasteurisation. A liquid enrichment and most probable number estimation method may be suited for such purpose. This membrane filtration method is not appropriate for enumeration and detection of other coliform bacteria without modifications to the chromogenic agar media. It is suitable to evaluate the log reduction of E.coli through treatment, as well as the quality of the end product. This method is for materials with dry residues less than 20 %. For materials with dry residues greater than 20 % and low numbers of E. coli, CEN/TR 15214-2 and CEN/TR 15214-3 should be used.

To find similar documents by classification:

07.100.99 (Other standards related to microbiology)

13.030.20 (Liquid wastes. Sludge Sewage water disposal and treatment, see 13.060.30)

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Designation Name

SIS-CEN/TR 15214-1:2006

Revision Level

2006 EDITION

Status

Current

Publication Date

March 15, 2006

Language(s)

English

Page Count

14