Proposed revision to NSF/ANSI 350 – Onsite Residential and Commercial, Water Reuse Treatment Systems (350i56r4) The purpose of this ballot is to affirm language related to alkalinity and hardness of base water used to make synthetic greywater.
06568: Approval of 350i56r4 - Hardness-alkalinity
Document (Archive)
2020-09-12
350i56r3 - hardness.pdf
Document
2020-08-21
WWT-2020-24 - hardness.pdf
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