Description: Concentrations of lead, cadmium, copper and zinc in coastal and estuarine sediment are provided from across 13 regions from 2015 to 2018. The metal concentration is reported as mg/kg dry weight and compared with the default guideline values (DGV) and upper guideline values (UGV) for toxicants in sediment, and classed as above DGV, below DGV and not applicable.
Copyright Text: Source: Local and regional councils. Managed by Stats NZ and Ministry for the Environment.