Used motor oil. Pollution from cars will give birth to a surface water source and if the improper disposal at every oil change to oil flow. Used in the container lid.
Engine oil that has been used to cause pollution from cars, with water and soil surface. If the removal is not appropriate. Every time you change the engine oil, engine oil, dump that and then into the container lid.
The oil from the vehicle, and then use the pollution, there will be a source of water and soil. If there is no right to get rid of every time the oil change, the oil flow into the container lid.