Specifically I'm looking for NSF/ANSI 51-2019 though an older one would probably be fine since I don't think they've changed anything relevant to what I'm trying to figure out.
Specifically I'm looking for NSF/ANSI 51-2019 though an older one would probably be fine since I don't think they've changed anything relevant to what I'm trying to figure out.
thanks for digging this up, I guess I thought even 20 years ago it was way more detailed. also I guess it's not really that important to the thing I'm trying to figure out anyways.