Proposed revision to NSF/ANSI/CAN 50 Equipment and Chemicals for Swimming Pools, Spas, Hot Tubs and Other Recreational Water Facilities (50i173r4). This ballot will revise the WQTD accuracy tables in Annex N-11 of NSF/ANSI/CAN 50.
08114: Approval of 50i173r4 - WQTD Accuracy
Document (Archive)
2022-11-12
accuracy calculations.pdf
Document
2022-10-19
Jim Egan comments 50i173r1 6-30-21.pdf
RWF Water Quality Testing Devices meeting summary 3-11-21.pdf
RWF Water Quality Testing Devices meeting summary 3-17-22.pdf
RWF Water Quality Testing Devices meeting summary 6-16-22.pdf
RWF Water Quality Testing Devices meeting summary 6-30-22.pdf
RWF Water Quality Testing Devices meeting summary 7-8-21.pdf
RWF Water Quality Testing Devices meeting summary 8-10-21.pdf
RWF-2020-9 - WQTD accuracy.pdf
Blank Comment - TEMPLATE.docx
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