NSF® International Standard 40 Evaluation Report, April 2002. (Evaluation performed by NovaTec Consultants, Inc.)
Design Criteria for Commercial Treatment Systems
“We ran almost all our collection lines down alleys and across fields. When the state’s Rural Development Director came to town for our dedication, he pulled me aside and asked, ‘When are you going to get this project finished?’ I said, ‘It is finished.’ He said, ‘But when are you going to tear up the streets?’ He couldn’t believe we didn’t have to!”
-Engineer Bill Walker Effluent Sewer in New Minden, Illinois