NSF 61 : 2017

1 Purpose, scope, and normative references
2 Definitions
3 General requirements
4 Pipes and related products
5 Barrier materials
6 Joining and sealing materials
7 Process media
8 Mechanical devices
9 Mechanical plumbing devices
10 Instructions and information
Annex A (normative) - Toxicology review and evaluation
        procedures
Annex B (normative) - Product/material evaluation
Annex C (normative) - Acceptable materials
Annex D (normative) - Normative drinking water criteria
Annex E (informative) - Informational drinking water criteria
Annex F (informative) - Revisions to the evaluation of lead
Annex G (informative) - Weighted average lead content
        evaluation procedure to a 0.25% lead requirement
Annex H (informative) - Water quality criteria considerations
        for piping materials in contact with drinking water

Includes specific materials or products that come into contact with: drinking water, drinking water treatment chemicals, or both.