INDUSTRY ACCREDITATIONS Listed with or certified by: NSF NSF/ANSI Standard 14 NSF/ANSI Standard 61 CSA CLASS 7621 01 – PLASTIC PIPE – Polyolefin Compounds CLASS 7621 61 – PLASTIC PIPE Polyolefin Compounds – Evaluated to NSF/ANSI 61 BSi ISO 9001:2015 ISO 14001:2015