Except to the extent that a use of used oil is prohibited or regulated by federal law, the rules adopted under ORS 459A.590 shall not prohibit or regulate the use of used oil for dust suppression or as an herbicide if the used oil is generated by a business or industry and does not contain polychlorinated biphenyls, or contain or show a characteristic of hazardous waste as defined in ORS 466.005 or is generated by a household and is:
ORS 459A.595
See note under 459A.552.