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 described in Annex C.
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 [7];
- water supply treatment plants.
This method is also applicable to sludge suspensions from other origin, provided the necessary verifications are done.