BS EN 1622:2006 - Water quality. Determination of the threshold odour number (TON) and threshold flavour number (TFN)

BS EN 1622:2006

Water quality. Determination of the threshold odour number (TON) and threshold flavour number (TFN)

Status : Current   Published : September 2006

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This European Standard specifies quantitative methods for determining the TON and TFN of waters and also a qualitative method for determining any abnormal odour and/or flavour. It is essential that the safety remarks in Clause 5 are taken into account. Two quantitative methods are described: a short method applicable when either a sample has no odour and flavour or when the odour and flavour are to be compared with a specified threshold number; a full method applicable when the threshold number for the sample is to be determined. For both quantitative methods, two different methodologies are described: unforced choice in the standard; forced choice in Annex B. Both methods are applicable for quantifying the odour and flavour of drinking water and/or migration waters from materials in contact with waters. NOTE The choice of the quantitative or qualitative method is depending on the national regulations, and on the type of water to be assessed (raw water, distribution water, migration water ….)




Standard NumberBS EN 1622:2006
TitleWater quality. Determination of the threshold odour number (TON) and threshold flavour number (TFN)
StatusCurrent
Publication Date29 September 2006
Normative References(Required to achieve compliance to this standard)ISO 7393-2
Informative References(Provided for Information)ISO 3591, ISO 5492, ISO 8589
ReplacesBS EN 1622:1998
International RelationshipsEN 1622:2006
Draft Superseded By04/30081891 DC
DescriptorsWater, Quality, Water testing, Olfactory analysis, Odours, Taste tests, Potable water, Safety measures, Control samples, Selection, Chlorine water, Testing conditions, Statistical methods of analysis, Reproducibility
ICS13.060.60
Title in FrenchQualite de l'eau. Determination du seuil d'odeur (TON) et du seuil de flaveur (TFN)
Title in GermanWasserbeschaffenheit. Bestimmung des Geruchsschwellenwerts (TON) und des Geschmacksschwellenwerts (TFN)
CommitteeEH/3/2
ISBN0 580 48929 9
PublisherBSI
FormatA4
DeliveryYes
Pages30
File Size471.7 KB
Price£182.00


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