Raven Geosynthetics, a major manufacturer of geomembranes, reports that it has undergone a surveillance audit a year after achieving an ISO 9001:2000 certification. The audit was geared towards the company’s entire quality and management system; and Raven passed with flying colors. Their Dura-Skrim J30, J36 and J45 products all passed the tough NSF 61 requirements. NSF’s website will post results soon.

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