ANSI Standards NSF ANSI 330-2019 pdf free download – Glossary of Drinking Water Treatment Unit Terminology NSF ANSI 330-2019 pdf free download - Glossary of Drinking Water Treatment Unit Terminology. 3.59 effluent: See water. 3.60 endpoint device: Any single device typically installed within the last 1 L (0.26 gal) of the water distribution... 02-17 Download Now