The application of bioassays for the assessment of dredged material is advised by the dredged material management guidelines of international conventions (chapter D 4.2). However, on a national level the implementation of bioassays for the purpose of dredged material management is still under development. In the Netherlands a number of bioassays are evaluated and their implementation is schedul...

The ability of calcium aluminate cement (CAC) to encapsulate toxic metals (Pb, Zn and Cu) was assessed under two curing conditions. Changes in the consistency and in the setting time were found upon the addition of the nitrates of the target metals. Both Pb and Cu caused a delay in CAC hydration, while Zn accelerated the stiffening of the mortar. Compressive strengths of the metal-doped mortars...