Chemical Parameters

These include:

Heavy metals (arsenic, cadmium, chromium, copper, lead, mercury, nickel and zinc) and other metals (aluminium, boron, iron, manganese, selenium, silver and vanadium);
Organotins (Tributyl tin (TBT) and dibutyl tin (DBT));
Total petroleum hydrocarbons (TPH);
Polyaromatic hydrocarbons (PAHs) (USEPA 16);
Polychlorinated biphenyls (PCBs) including 25 congeners;
Ammonia; and
Sulphide