NSF 61-2017

http://www.pdfengineers.org/164043-nsf-61-2017-.html

1 Purpose, scope, and normative references1.1 PurposeThis Standard establishes minimum health effects requirements for the chemical contaminants andimpurities that are indirectly imparted to drinking water from products, components, and materials used indrinking water systems. This Standard does not establish performance, taste and odor, or microbialgrowth support requirements for drinking water system products, components, or materials.1.2 Scope1.2.1 This Standard is intended to cover specific materials or products that come into contact with:drinking water, drinking water treatment chemicals, or both. The focus of the Standard is evaluation ofcontaminants or impurities imparted indirectly to drinking water. The products and materials coveredinclude, but are not limited to, process media (e.g., carbon, sand), protective materials (e.g., coatings,linings, liners), joining and sealing materials (e.g., solvent cements, welding materials, gaskets), pipesand related products (e.g., pipes, tanks, fittings), mechanical devices used intreatment/transmission/distribution systems (e.g., valves, chlorinators, separation membranes, point-ofentrydrinking water treatment systems), and mechanical plumbing devices (e.g., faucets, endpointcontrol valves).1.2.2 Point-of-use drinking water treatment devices are not covered by the scope of this Standard.1.3 Normative referencesThe following documents contain requirements that, by reference in this text, constitute requirements ofthis Standard. At the time this Standard was balloted, the editions listed below were valid. All documentsare subject to revision, and parties are encouraged to investigate the possibility of applying the recenteditions of the documents indicated below. The most recent published edition of the document shall beused for undated references.21 CFR 58, Good Laboratory Practice for Non-Clinical Laboratory Studies340 CFR Part 136, Guidelines Establishing Test Procedures for the Analysis of Pollutants440 CFR Part 141, National Primary Drinking Water Regulations440 CFR Part 160, Good Laboratory Practice Standards4


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