What is this standard about?
This document specifies a method for the determination of drainability of flocculated sludge. It is applicable to sludge and sludge suspensions from:
— storm water handling;
— urban wastewater collecting systems;
— urban wastewater treatment plants;
— treating industrial wastewater similar to urban wastewater (as defined in Directive 91/271/EEC);
— water supply treatment plants.
This method is also applicable to sludge suspensions from other origins.