After a long working process and sound revision of many Germany experts the DWA Working Paper DWA-A 272 "Grundsätze für die Planung und Implementierung Neuartiger Sanitärsysteme (NASS) (Juni 2014)" (English title: "Basic rules for planning and implementation of New Alternative Sanitation Systems (NASS)") has been published.
Please refer to:
http://www.dwa.de/dwa/shop/shop.nsf/Produktanzeige?openform&produktid=P-DWAA-9KK8A2
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