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    BS ISO 5667-5-2006 Water quality - Sampling - Guidance on sampling of drinking water from treatment works and piped distribution systems《水质 取样 从水处理站和管道分配系统采样饮用水的指南》.pdf

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    BS ISO 5667-5-2006 Water quality - Sampling - Guidance on sampling of drinking water from treatment works and piped distribution systems《水质 取样 从水处理站和管道分配系统采样饮用水的指南》.pdf

    1、BRITISH STANDARD BS ISO 5667-5:2006 Water quality Sampling Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems ICS 13.060.20; 13.060.45 BS ISO 5667-5:2006 This British Standard was published under the authority of the Standards Policy and Strategy Commi

    2、ttee on 31 May 2006 BSI 2006 ISBN 0 580 47140 3 National foreword This British Standard reproduces verbatim ISO 5667-5:2006 and implements it as the UK national standard. It supersedes BS 6068-6.5:1991 which is withdrawn. The UK participation in its preparation was entrusted by Technical Committee E

    3、H/3, Water quality, to Subcommittee EH/3/6, Sampling, which has the responsibility to: aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed; monitor related inter

    4、national and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred to in this document may be found in the B

    5、SI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for

    6、 its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to vi, pages 1 to 17 and a back cover. The BSI copyright notice displaye

    7、d in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date Comments Reference number ISO 5667-5:2006(E)INTERNATIONAL STANDARD ISO 5667-5 Second edition 2006-04-15 Water quality Sampling Part 5: Guidance on sampling of drinking water from treatme

    8、nt works and piped distribution systems Qualit de leau chantillonnage Partie 5: Lignes directrices pour lchantillonnage de leau potable des usines de traitement et du rseau de distribution BS ISO 5667-5:2006ii BS ISO 5667-5:2006 iii Contents Page Foreword iv Introduction . vi 1 Scope . 1 2 Terms and

    9、 definitions. 2 3 Design of sampling programmes 2 4 Sampling equipment. 2 5 Sample collection locations 2 5.1 General. 2 5.2 Service reservoirs (including water towers) 3 5.3 Water treatment plants . 3 5.4 Disinfection/oxidation plants. 3 5.5 Distribution system 3 6 Pre-collection cleaning, disinfec

    10、tion and flushing 7 6.1 General. 7 6.2 Service reservoirs (including water towers) 7 6.3 Hydrants 8 6.4 Faucets 8 6.5 Dip sampling . 9 7 On-site analysis of samples 9 8 Frequency and timing of sampling . 9 9 Sample collection and handling 10 9.1 General. 10 9.2 Volume of samples . 10 9.3 Precautions

    11、 to minimize contamination. 10 9.4 Order of sampling . 11 10 Sampling for particular types of analysis 12 10.1 Sampling for physical, chemical and radiological analysis. 12 10.2 Sampling for microbiological analysis . 12 10.3 Sampling for biological analysis. 13 10.4 Sampling for virological analysi

    12、s 13 11 Field measurements and continuous on-line monitoring 13 12 Sample identification and records 13 13 Sampling quality . 14 13.1 General. 14 13.2 Sampling manual 14 13.3 Training of samplers. 15 13.4 Verification checking of the collection, handling, temporary storage and transport of samples 1

    13、5 13.5 Independent reviews 16 Bibliography . 17 BS ISO 5667-5:2006 iv Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO techni

    14、cal committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely w

    15、ith the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft Int

    16、ernational Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document m

    17、ay be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 5667-5 was prepared by Technical Committee ISO/TC 147, Water quality, Subcommittee SC 6, Sampling (general methods). This second edition cancels and replaces the first edition (IS

    18、O 5667-5:1991), which has been technically revised. ISO 5667 consists of the following parts, under the general title Water quality Sampling: Part 1: Guidance on the design of sampling programmes and sampling techniques 1) Part 3: Guidance on the preservation and handling of water samples Part 4: Gu

    19、idance on sampling from lakes, natural and man-made Part 5: Guidance on sampling of drinking water from treatment works and piped distribution systems Part 6: Guidance on sampling of rivers and streams Part 7: Guidance on sampling of water and steam in boiler plants Part 8: Guidance on the sampling

    20、of wet deposition Part 9: Guidance on sampling from marine waters Part 10: Guidance on sampling of waste waters Part 11: Guidance on sampling of groundwaters Part 12: Guidance on sampling of bottom sediments Part 13: Guidance on sampling of sludges from sewage and water-treatment works 1) ISO 5667-1

    21、:1980 and ISO 5667-2:1981 are currently undergoing joint revision, which will be published as ISO 5667-1. v Part 14: Guidance on quality assurance of environmental water sampling and handling Part 15: Guidance on preservation and handling of sludge and sediment samples Part 16: Guidance on biotestin

    22、g of samples Part 17: Guidance on sampling of suspended sediments Part 18: Guidance on sampling of groundwater at contaminated sites Part 19: Guidance on sampling of marine sediments The following part is under preparation: Part 20: Guidance on the use of sampling data for decision making Compliance

    23、 with limits and classification BS ISO 5667-5:2006vi Introduction ISO 5667 is a group of standards dealing with the general aspects of sampling (Parts 1 to 3) and with the sampling of specific types of water (from Part 4 onwards). ISO 5667-5 covers the sampling of drinking water within a piped distr

    24、ibution system and should be read in conjunction with ISO 5667-1 and ISO 5667-3. Effective monitoring of drinking water requires collaboration between sampling programme designers, water treatment plant and distribution system operators, sample collectors, laboratory analysts and data users. ISO 566

    25、7-5 gives guidance on the selection of sampling locations and the collection of samples when monitoring drinking water from treatment plants and from piped distribution systems. Understanding of the purposes for monitoring drinking water and of the principles behind the methods of analysis is import

    26、ant, since specific sampling protocols can vary widely in accordance with different purposes and different analytical methods. Examples of sampling purposes include: a) checking of drinking water to ensure compliance with national and/or international regulations (e.g. WHO Guidelines for Drinking Wa

    27、ter Quality1and the EU Drinking Water Directive2 ); b) determination of the efficiency of a drinking water treatment plant or components thereof (for example, disinfection); c) quality monitoring of the water leaving the treatment plant; d) quality monitoring of the water within the distribution sys

    28、tem (including distribution within large buildings); e) search for the cause of contamination of the distribution system (for example, in response to customer complaints); f) monitoring of the corrosive potential of drinking water to plumbing; g) assessment of the effects of materials in contact wit

    29、h water on the water quality (chemical and biological); h) monitoring of the influent water and the various processing stages in a food or beverage processing plant, including necessary treatment steps. BS ISO 5667-5:20061 Water quality Sampling Part 5: Guidance on sampling of drinking water from tr

    30、eatment works and piped distribution systems 1 Scope This part of ISO 5667 establishes principles to be applied to the techniques of sampling water intended for human consumption. For the purposes of this part of ISO 5667, water intended for human consumption comprises: a) all water either in its or

    31、iginal state or after treatment, intended for drinking, cooking, food preparation, or other domestic purposes, regardless of its origin, plus b) all water used in any production undertaking for the manufacture, processing, preservation or marketing of products or substances intended for human consum

    32、ption unless the competent national authorities are satisfied that the quality of the water cannot affect the wholesomeness of the foodstuff in its finished form. The guidance given in this part of ISO 5667 is confined to those circumstances where water is drawn from municipal or similar distributio

    33、n systems (including individual systems) where prior treatment and/or quality assessment has resulted in the water being classified as suitable for drinking or potable process purposes. Specifically, this part of ISO 5667 is applicable to water that is in continuous supply relative to any stage of u

    34、se up to and including the point of consumption in a distribution system. This includes distribution within large buildings in which additional water quality management might be applicable. This part of ISO 5667 is also applicable to sampling situations that can arise relative to the investigation o

    35、f system defects or emergency situations where the safety of sampling operatives is not compromised. This part of ISO 5667 does not provide guidance for water sources or for products generated by using drinking water. The followings items are examples of cases not addressed by the present document:

    36、the sampling of source water, for example groundwater and surface water impoundments; sampling of drinking water supplies derived from non-continuous sources (for example, from road tankers); sampling of bulk storage of water on airplanes, trains and ships; the sampling of beverage products (includi

    37、ng bottled waters) or food containing potable water used in its preparation; sampling of drink vending machines that dispense unsealed cups of drinks. BS ISO 5667-5:20062 2 Terms and definitions For the purposes of this document, the following terms and definitions apply. 2.1 water intended for huma

    38、n consumption drinking water or potable process water 2.2 drinking water all water either in its original state or after treatment, intended for drinking, cooking, food preparation, or other domestic purposes, regardless of its origin 2.3 potable process water all water used in any food-production u

    39、ndertaking for the manufacture, processing, preservation or marketing of products or substances intended for human consumption. 3 Design of sampling programmes Programmes for the sampling of drinking water, including statistical considerations, should be designed in accordance with ISO 5667-1. Micro

    40、biological investigations of drinking water should be designed and implemented in accordance with ISO 19458. 4 Sampling equipment The general recommendations for sampling equipment given in ISO 5667-1 should be followed and sample containers should be prepared in accordance with ISO 5667-3. On-line

    41、sensors/analysing equipment for water should conform to ISO 15839. Equipment and bottles for sampling for microbiological analysis should conform to ISO 19458. 5 Sample collection locations 5.1 General Sample collection locations should be selected according to the following criteria. a) The chosen

    42、collection locations should yield samples that are representative of the system as a whole, or representative of its main components. b) For each treatment plant, there should be at least one sample collection location on the water intake and at least one sample collection location immediately after

    43、 the processed water outlet. c) In systems with more than one water source, sample collection locations should reflect the output of each source, the demand on each source and the relative population using each source. d) Sample collection locations should be widely distributed throughout a piped di

    44、stribution system, the number being proportional to the number of links or branches in the system. e) Sample collection locations should include locations representative of the most unfavourable sources and locations considered vulnerable to contamination such as loops, low-pressure zones and ends o

    45、f systems. f) Where waters from different sources mix within a complex piping system, sample collection locations should permit identification of relative proportions from each source through the system. BS ISO 5667-5:20063 g) Where a distribution system connects to large buildings such as hotels or

    46、 office blocks, there should be sample collection locations at the intake and throughout each building consistent with the principles in d) and e) above. 5.2 Service reservoirs (including water towers) Samples should be collected from the inlet and outlet pipes as close as possible to the service re

    47、servoir. The outlet sample location should be upstream of the first customer. If a service reservoir has a common inlet and outlet main, samples should, where possible, be collected when the main is acting as an outlet and the water quality is therefore representative of water that has been stored i

    48、n the service reservoir. If this cannot be achieved, a sample collection pumping system should be installed and utilized. If a service reservoir has more than one compartment but the compartments are hydraulically connected, the compartments may be regarded as a single reservoir. If a service reserv

    49、oir has more than one compartment and these compartments are not hydraulically connected, each compartment should be considered as a separate service reservoir and should be assigned individual sampling points, except if the individual outlets from the compartments combine into a common outlet, in which case a single sample location on the common outlet might be adequate. Sometimes (for example, when a reservoir has been


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