What is this standard about?
This document specifies a method for the determination of the sludge (bulk) density. The procedure to determine density of the liquid and of the solid fractions of a suspension is also described in Annex C of this document.
This document is applicable to sludge suspensions from:
— storm water handling;
— urban wastewater collecting systems;
— urban wastewater treatment plants;
— treating industrial wastewater similar to urban wastewater;
— water supply treatment plants.
This method is also applicable to sludge suspensions from other origin, provided the necessary verifications are done.