BS-6920-2.1-2000.pdf
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1、BRITISH STANDARD BS 6920-2.1: 2000 Incorporating Amendments Nos. 1 and 2 Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of test Section 2.1: Samples for testing ICS 13.060.20 ?
2、BS 6920-2.1:2000 This British Standard, having been prepared under the direction of the Health and Environment Sector Committee, was published under the authority of the Standards Committee and comes into effect on 15 May 2000 BSI 21 January 2004 The following BSI references relate to the work on th
3、is British Standard: Committee reference EH/6 Draft for comment 99/560124 DC ISBN 0 580 33104 0 Committees responsible for this British Standard The preparation of this British Standard was entrusted to Technical Committee EH/6, Effects of materials on water quality, upon which the following bodies
4、were represented: Automatic Vending Association of Britain British Cement Association BCF British Coatings Federation Ltd British Malleable Tube Fittings Association British Plastics Federation British Plumbing Fittings Manufacturers Association British Precast Concrete Federation Ltd British Rubber
5、 Manufacturers Association Ltd British Water DEFRA Water and Land Directorate Galvanizers Association Laboratory of the Government Chemist Pipeline Industries Guild UK Steel Association Water Regulations Advisory Scheme Water Research Centre plc Amendments issued since publication Amd. No. Date Comm
6、ents 1208429 October 2001 1471821 January 2004Indicated by a sideline BS 6920-2.1:2000 BSI 21 January 2004 i Contents Page Committees responsibleInside front cover Forewordii 1Scope1 2Normative references1 3Terms and definitions2 4Apparatus2 5Procedure3 6Special requirements for factory made product
7、s4 7Special requirements for site applied products8 8Sample description11 9Reporting12 Table 1 Test container calibration mark3 BS 6920-2.1:2000 ii BSI 21 January 2004 Foreword This section of BS 6920 has been prepared by Technical Committee EH/6. It supersedes BS 6920-2.1:1996, which is withdrawn.
8、This edition introduces technical changes but it does not reflect a full review or revision of the standard. BS 6920 is published in several parts, namely Part 1: Specification, Part 2: Methods of test, Part 3: High temperature tests and Part 4: Method for the GCMS identification of water leachable
9、organic substances. Part 2 is further subdivided into a number of sections and subsections as follows: Section 2.1: Samples for testing; Section 2.2: Odour and flavour of water; Subsection 2.2.1: General method of test; Subsection 2.2.2: Method of testing odours and flavours imparted to water by hos
10、es and composite pipes and tubes; Subsection 2.2.3: Method of testing odours and flavours imparted to water by 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 tha
11、t may be of concern to public health; Section 2.6: The extraction of metals. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal ob
12、ligations. Summary of pages This document comprises a front cover, an inside front cover, pages i and ii, pages 1 to 13 and a back cover. The BSI copyright notice displayed in this document indicates when the document was last issued. Sidelining in this document indicates the most recent changes by
13、amendment. BS 6920-2.1:2000 BSI 21 January 2004 1 1 Scope This section of BS 6920 describes the preparation of samples of all types of non-metallic products for testing their suitability for use in contact with water intended for human consumption. NOTEUnder the requirements of the Water Supply (Wat
14、er Quality) Regulations (Regulation 25) and the Water Supply (Water Fittings) Regulations (Clause 2 of Schedule 2), the National Regulator may specify additional provisions in some cases and assess the significance of the results obtained. 2 Normative references The following normative documents con
15、tain provisions which, through reference in this text, constitute provisions of this section of BS 6920. For dated references, subsequent amendments to or revisions of, any of these publications do not apply. For undated references, the latest edition of the publication referred to applies. BS 12, S
16、pecification for Portland cement. BS 864-2, Capillary and compression tube fittings of copper and copper alloy Part 2: Specification for capillary and compression fittings for copper tubes. BS 887:1982, Specification for precision vernier callipers. BS 2871-1, Specification for copper and copper all
17、oys Tubes Part 1: Copper tubes for water, gas and sanitation. BS 2874, Specification for copper and copper alloy rods and sections (other than forging stock). BS 3574, Specification for the controlled storage and packaging of vulcanized rubber and rubber products. BS 3900-C5, Methods of test for pai
18、nts Determination of film thickness. BS 4372:1968, Specification for engineers steel measuring rules. BS 6068-2.50, Water quality Physical, chemical and biochemical methods Determination of pH. BS 6920-1:2000, Suitability of non-metallic products for use in contact with water intended for human cons
19、umption with regard to their effect on the quality of the water Part 1: Specification. BS 6920-2.2.1, Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of test Section 2.2: Odour a
20、nd flavour of water Subsection 2.2.1: General method of test. BS 6920-2.2.2, Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of test Section 2.2: Odour and flavour of water Subse
21、ction 2.2.2: Method of testing odours and flavours imparted to water by hoses and composite pipes and tubes. BS 6920-2.2.3, Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of tes
22、t Section 2.2: Odour and flavour of water Subsection 2.2.3: Method of testing odours and flavours imparted to water by hoses for conveying water for food and drink preparation. BS 6920-2.3, Suitability of non-metallic products for use in contact with water intended for human consumption with regard
23、to their effect on the quality of the water Part 2: Methods of test Section 2.3: Appearance of water. BS 6920-2.4, Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of test Section
24、 2.4: Growth of aquatic microorganisms test. BS 6920-2.5, Suitability of non-metallic products for use in contact with water intended for human consumption with regard to their effect on the quality of the water Part 2: Methods of test Section 2.5: The extraction of substances that may be of concern
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