Two More ETV Package Drinking Water Treatment Systems Verified

NSF has released the fifth and sixth verification reports and statements for the ETV Package Drinking Water Treatment Project. The Zenon ZeeWeed ZW-500 Ultrafiltration System and the Zenon Enhanced Coagulation ZeeWeed ZW-500 Ultrafiltration System completed ETV testing in 1999. The EPA and NSF have approved their reports for distribution.

These reports are available at and

Post new comment

  • Web page addresses and e-mail addresses turn into links automatically.
  • Allowed HTML tags: <a> <em> <strong> <cite> <code> <ul> <ol> <li> <dl> <dt> <dd>
  • Lines and paragraphs break automatically.

More information about formatting options