Dispatched for a fire in a wooded area. Upon arrival, the fire is noted to be a trash fire in the woods that is attended by the owner. We investigated the area and found petroleum based items that were being burned by the owner. . We explained to the owner that per Indiana Burning Regulations, the open burning of petroleum based products is prohibited. Also, we explained to the owner that burning after dark, except for recreational purposes, is prohibited. With these factors explained to the owner, we extinguished the fire without incident. All units cleared the scene and returned to quarters.