NSF/ANSI 41 – 2016 pdf free download
NSF/ANSI 41 – 2016 pdf free download.Wastewater T echnology – Non-liquid saturated treatment systems. 1 General 1.1 Purpose The purpose of this Standard is to establish minimum materials, design and construction, and performance requirements for non-liquid saturated treatment systems. It is intended to protect public health and the environment as well as minimize nuisance factors. This Standard also specifies the...