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December 2013

NSF/ANSI Standards 60/61 Issue Paper #1 – Combining Annex D and E Issue Paper #2 – Additional Pass/Fail Criteria. December 2013. Combining Annex D and AnneX E. Introduction. Drinking water pass/fail criteria in NSF/ANSI Standards 60/61 are currently located in two separate annexes

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December 2013

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  1. NSF/ANSI Standards 60/61 Issue Paper #1 – Combining Annex D and EIssue Paper #2 – Additional Pass/Fail Criteria December 2013

  2. Combining Annex D and AnneX E

  3. Introduction • Drinking water pass/fail criteria in NSF/ANSI Standards 60/61 are currently located in two separate annexes • Annex D (normative) and Annex E (informative) • In each annex, there are multiple tables (D1-D4 and E1-E2) • As the annexes are currently maintained separately for Standard 60 and Standard 61, pass/fail criteria for chemicals may be listed in one Standard but not the other and duplicative entries are more challenging to identify • Maintaining multiple tables in two Standards makes it difficult for users to locate pass/fail criteria

  4. Recommendations • Consolidate the drinking water criteria currently in Annex D and Annex E into a single annex • Combined annex would be identical and appear in NSF/ANSI Standard 60 and Standard 61 • Recommendation is supported the Joint Peer Review Steering Committee (JPRSC)

  5. Joint Peer Review Steering Committee • Established to consolidate efforts among ANSI accredited certification bodies to prioritize risk assessments for review by the HAB and reconcile action levels derived from duplicate risk assessment efforts • Membership includes HAB chair and representatives from five certification bodies • Officially reached agreement to harmonize efforts in April 2013

  6. Recommended Format for Combined Annex • The current recommendation is to have the chemicals organized by both CAS# and alphabetically

  7. Format Challenges • Chemical names – There is not a currently unified chemical naming approach between certifiers which limits the benefits of the alphabetical listing • May be possible to address through JPRSC • Length – The proposed format results in a 199 page document • This does not include substantial future additions • Solution may be to remove annexes containing pass/fail criteria from Standards into a separate stand alone document

  8. Normative/Informative • Currently, NSF/ANSI Standards 60/61 distinguish between normative and informative pass/fail criteria • Normative Criteria • Under Annex D, pass/fail values listed are to be used in the determination of product compliance with the Standard • Informative Criteria • Under Annex E, a chemical that exceeds the informative criteria should be subject to a complete toxicity data review and risk assessment prior to using the informational evaluation criteria to determine compliance with the Standard • A consensus among the JPRSC membership was that no distinction is currently made between normative and informative values when evaluating compliance

  9. Addition/updates of pass/fail criteria

  10. New Pass/Fail Criteria • Based on reconciliation efforts and development of new risk assessments, NSF International, along with the remainder of the JPRSC membership, is recommending the addition (or update) of 541 pass/fail criteria to Annex D/E of both Standards • A footnote referencing to the activities of the JPRSC would be included

  11. Sources of New Criteria • NSF International – Peer Reviewed Risk Assessments • Peer reviewed in 2012 or 2013 by the Health Advisory Board • NSF International – Threshold of Evaluation Chemicals • NSF International – Other Additions • JPRSC – Initial List of Reconciled Values • JPRSC – Threshold of Evaluation Chemicals

  12. Questions for the Joint Committee • Should Annex D and Annex E be combined into a single Annex? • Is it appropriate to have the newly formatted annex be considered normative? • Are two separate tables necessary (one organized by CAS# and the other alphabetically by chemical name)? • Should the annex of pass/fail criteria be removed from the Standards into separate stand alone document?

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