NSF 330-2015 Glossary of Drinking Water Treatment Unit Terminology.pdf
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1、NSF International Standard / American National StandardNSF/ANSI 330 - 2015 Glossary of Drinking Water Treatment Unit TerminologyNSF International, an independent, not-for-profit, non-governmental organization, is dedicated to being the leading global provider of public health and safety-based risk m
2、anagement solutions while serving the interests of all stakeholders. This Standard is subject to revision. Contact NSF to confirm this revision is current. Users of this Standard may request clarifications and interpretations, or propose revisions, by contacting: Chair, Joint Committee on Drinking W
3、ater Treatment Units c/o NSF International 789 North Dixboro Road, P. O. Box 130140 Ann Arbor, Michigan 48113-0140 USA Phone: (734) 769-8010 Telex: 753215 NSF INTL FAX: (734) 769-0109 E-mail: infonsf.org Web: http:/www.nsf.orgNSF/ANSI 330 2015 i NSF International Standard/ American National Standard
4、 for Drinking Water Treatment Units Glossary of drinking water treatment unit terminology Standard Developer NSF International NSF International Designated as an ANSI Standard October 27, 2015 American National Standards Institute ii Recommended for Adoption by The NSF Joint Committee on Drinking Wa
5、ter Treatment Units The NSF Council of Public Health Consultants Adopted by The NSF International February 2009 Revised October 2012 Revised November 2013 Revised May 2015 Revised October 2015 Published by NSF International P. O. Box 130140, Ann Arbor, Michigan 48113-0140, USA For ordering copies or
6、 for making inquiries with regard to this Standard, please reference the designation “NSF/ANSI 330-2015.“ Copyright 2015 NSF International Previous editions 2014, 2013, 2012, 2009 Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, elect
7、ronic or mechanical, including photocopying and microfilm, without permission in writing from NSF International. Printed in the United States of America. iii Disclaimers1 NSF, in performing its functions in accordance with its objectives, does not assume or undertake to discharge any responsibility
8、of the manufacturer or any other party. The opinions and findings of NSF represent its professional judgment. NSF shall not be responsible to anyone for the use of or reliance upon this Standard by anyone. NSF shall not incur any obligation or liability for damages, including consequential damages,
9、arising out of or in connection with the use, interpretation of, or reliance upon this Standard. NSF Standards provide basic criteria to promote sanitation and protection of the public health. Provisions for mechanical and electrical safety have not been included in this Standard because governmenta
10、l agencies or other national standards-setting organizations provide safety requirement. Participation in NSF Standards development activities by regulatory agency representatives (federal, local, state) shall not constitute their agencys endorsement of NSF or any of its Standards. Preference is giv
11、en to the use of performance criteria measurable by examination or testing in NSF Standards development when such performance criteria may reasonably be used in lieu of design, materials, or construction criteria. The illustrations, if provided, are intended to assist in understanding their adjacent
12、 standard requirements. However, the illustrations may not include all requirements for a specific product or unit, nor do they show the only method of fabricating such arrangements. Such partial drawings shall not be used to justify improper or incomplete design and construction. Unless otherwise r
13、eferenced, the annexes are not considered an integral part of NSF Standards. The annexes are provided as general guidelines to the manufacturer, regulatory agency, user, or certifying organization.1 The information contained in this Disclaimer is not part of this American National Standard (ANS) and
14、 has not been processed in accordance with ANSIs requirements for an ANS. Therefore, this Disclaimer may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requirements necessary for conformance to the Standard. iv This page is inte
15、ntionally left blank. v Contents 1 General . 1 1.1 Purpose 1 1.2 Scope . 1 2 Normative references 1 3 Definitions . 1 vi This page is intentionally left blank.vii Foreword2 The purpose of this Glossary is to provide a single resource containing all of the technical terms used in all NSF Drinking Wat
16、er Treatment Unit Standards. With all NSF Drinking Water Treatment Unit definitions located in one document, and not in the individual Drinking Water Treatment Unit Standards, greater consistency will be achieved, as changes to a given definition will affect all other Drinking Water Treatment Unit S
17、tandards simultaneously once adopted in the Glossary. In addition, the Glossary of Drinking Water Treatment Unit Terminology may serve as a reference tool within the industry. This edition includes multiple revisions to the Standard, including: Issue 8 This revision updated NSF/ANSI 330 to define a
18、treatment train approach. This Glossary was developed by the NSF Joint Committee on Drinking Water Treatment Units using the consensus process described by the American National Standards Institute. Suggestions for improvement of this Standard are welcome. This Standard is maintained on a Continuous
19、 Maintenance schedule and can be opened for comment at any time. Comments should be sent to Chair, Joint Committee on Drinking Water Treatment Units, at standardsnsf.org or c/o NSF International, Standards Department, P.O. Box 130140, Ann Arbor, Michigan 48113-0140, USA. 2 The information contained
20、in this Foreword is not part of this American National Standard (ANS) and has not been processed in accordance with ANSIs requirements for an ANS. Therefore, this Foreword may contain material that has not been subjected to public review or a consensus process. In addition, it does not contain requi
21、rements necessary for conformance to the Standard. viii This page is intentionally left blank. 2015 NSF NSF/ANSI 330 2015 NSF/ANSI Standard for Drinking Water Treatment Units Glossary of drinking water treatment unit terminology 1 General 1.1 Purpose This Standard establishes definitions for drinkin
22、g water treatment units and related components. 1.2 Scope Definitions covered by this Standard consist of terminology related to drinking water treatment units including terms describing materials, design, construction, and performance testing. This Standard includes definitions of terms used in NSF
23、 Drinking Water Treatment Unit Standards. 2 Normative references The following documents contain provisions that, through reference, constitute provisions of this Standard. At the time this Standard was balloted, the editions listed below were valid. All documents are subject to revision and the mos
24、t recent published edition of the document shall be used for undated references. NSF/ANSI 42. Drinking Water Treatment Units Aesthetic Effects NSF/ANSI 44. Residential Cation Exchange Water Softeners NSF/ANSI 53. Drinking Water Treatment Units Health Effects NSF/ANSI 55. Ultraviolet Microbiological
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