Suitability ofnon-metallic materialsandproductsfor useincontactwithwater intendedforhuman consumption with regard to their effect on the quality of thewater
Part 1: Specification
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Publishing and copyright information
The BSI copyright notice displayed in this document indicates when the document was last issued.
The British Standards Institution 2014
Published by BSI Standards Limited 2014
ISBN 978 0 580 87823 7
ICS 13.060.20
The following BSI references relate to the work on this document: Committee reference EH/6Draft for ment 13/ DC
Publication history
First published 31 May 1988 Second edition 29 June 1990Third edition 15 December 1996Fourth edition 15 May 2000 Fifth (present) edition June 2014
Contents
Forewordii
1 Scope12 3 Terms and definitions Normative references 24 5 Appearance of water 3 Odour and flavour of water6 Growth of aquatic microorganisms3 The extraction of substances that may be of concern to public health 47 8 The extraction of metals and boron 59 10 High temperature tests 6 Odour and flavour of water from hoses intended for food and drinkapplication7
Annexes
Annex A (informative) Scheme of testing showing the relationship between thestandards of the BS 6920 series 8results9 Annex B (informative) Odour and flavour of water test - Assessment of
Bibliography11
List of figures
Figure A.1 - Scheme of testing showing the relationship between the standards of the BS 6920 series 8Figure B.1 - Chlorine-free water test results 9 Figure B.2 - Chlorinated water test results10
List of tables
Table 1 - Maximum allowable concentrations of certain elements 5
Summary of pages
This document prises a front cover an inside front cover pages i to iv pages 1 to 12 an inside back cover and a back cover.
Foreword
Publishing information
This part of BS 6920 is published by BSI Standards Limited under licence fromprepared by Technical Committee EH/6 Effects of materials on water quality. A The British Standards Institution and came into effect on 30 June 2014. It waslist of organizations represented on this mittee can be obtained on requestto its secretary.
Supersession
This part of BS 6920 supersedes B5 6920-1:2000 which is withdrawn.
Relationship with other publications
The following parts and sections of BS 6920 have been published.
Part 1: Specification Part 2: Methods of test:Section 2.2: Odour and flavour of water; Section 2.1: Samples for testing;Subsection 2.2.1: General method of test;Subsection 2.2.2: Method of testing odours and flavours imparted to waterg pue sadid asodo pue sasoy paaei-tn qby hoses for conveying water for food and drink preparation;Section 2.3: Appearance of water Section 2.4: Growth of aquatic microorganisms test;Section 2.5: The extraction of substances that may be of concern to publichea/th;Section 2.6: The extraction of metals; Part 3: High temperature tests;Part 4: Method for the GCMS identification of water leachable organicsubstances.
Subsection 2.2.3: Method of testing odours and flavours imparted to water
A diagram showing the relationship of the various parts and sections of this standard is given in Annex A.
Information about this document
This is a full revision of the standard and introduces the following principalchanges.
A statement has been added to the scope that this part of BS 6920 is not▪The definition of the term “product* has been revised (see 3.3); applicable to metallic materials and products;The pass/fail requirements of the odour and flavour of water test have beenclarified (see Clause 4) and supporting flow diagrams given in a newInterpretation of the results of the growth of aquatic microorganisms test Annex B;have been clarified (see Clause 6);tests are carried out has been clarified (see Clause 9).
Text and figures introduced or altered by Corrigendum No. 1 are indicated in p56e ou ae sabueu jeopa jou s5e Aq xa au4
Hazard warnings
procedures that can be injurious to health if adequate precautions are not WARNING. This British Standard calls for the use of substances and/ortaken.
This British Standard refers only to technical suitability and does not absolvethe user from legal obligations relating to health and safety at any stage.
Use of this document
It has been assumed in the preparation of this part of BS 6920 that theexecution of its provisions will be entrusted to appropriately qualified andexperienced people for whose use it has been produced.
Presentational conventions
The provisions of this standard are presented in roman (i.e. upright) type. Its siqan ene edud a um ui sauaas ui passaxa ae saainb"shall".
smaller italic type and does not constitute a normative element. Commentary explanation and general informative material is presented in
Requirements in this standard are drafted in accordance with Rules for thestructure and drafting of UK standards subclause J.1.1 which states described in Annex A the product shall .". This means that only those productsthat are capable of passing the specified test will be deemed to conform to this standard.
Contractual and legal considerations
This publication does not purport to include all the necessary provisions of acontract. Users are responsible for its correct application.
obligations. Compliance with a British Standard cannot confer immunity from legal
Regulation 4 of the Water Supply (Water Fittings) Regulations 1999 (as(Water Quality) Regulations 2000 (as amended) [1].
