Also contact the MDNR to check a company's compliance history. Trade associations that may keep a file on companies which handle used oil. The Chamber of Commerce or Better Business Bureau to find out if any complaints have been registered against a company or facility. Checking sources and choosing a used oil transporter and management company can be time-consuming. Begin your research long before you need to transport the used oil.
Careful selection is essential to minimizing liability.
Fate of used oil Used oil may either be re-refined for use as a lubricant or burned as a fuel. Only a small percentage of the total collected used oil is re-refined. The majority of used oil is burned in industrial furnaces, cement kilns or other burners. Oil used as fuel must be processed to remove insoluble contaminants and water. Your selection of a management company may determine how your used oil is managed.