[Expert Solution]: The consultant shall re-conduct the Human…

The consultant shall re-conduct the Human Health Risk Assessment according to the latest bioavailability of 60% to determine which level of arsenic contamination (in mg/kg) should be used to be the cut-off point (or target concentration) for soil decontamination. The calculation should consider both carcinogenic and non-carcinogenic responses at acceptable cancer risk of 10-5(WHO recommended value)