Proposed withdrawal of NSF/ANSI 240 – Drainfield Trench Product Sizing for Gravity Dispersal Onsite Wastewater Treatment and Dispersal Systems. This ballot is to affirm the withdrawal of NSF/ANSI 240.
06840: Approval of 240i4r1 - Withdrawal
Document (Archive)
2021-02-20
2018 WWT JC Meeting Summary EXCERPT.pdf
Document
2021-01-28
NSF_240-2011 (r 2017) - watermarked.pdf
WWT TG on 240 meeting summary 1-14-2021.pdf
WWT TG on 240 meeting summary 2-27-2020.pdf
WWT TG on 240 meeting summary 12-8-2020.pdf
WWT TG on 240 meeting summary 10-29-2020.pdf
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