[2021] NZEnvC 185 Otago Regional Council [pdf, 328 KB]
...already begun phasing out the use of waste oil as a dust suppressant. … Waste engine oil contains a large number of hazardous contaminants, including a number of carcinogens (Ward, 2016). These substances are known to be hazardous to both human health and the environment. Contaminants can be transferred to the environment when the oil is applied to roads or once the surface of the oiled road breaks down. When the surface breaks down and the road becomes dusty again, contaminant...