If you use, handle or store used oil, then you may have regulatory relief provided that the oil is recycled or re-purposed. In this example, we will briefly discuss used oil heaters. Some jurisdictions allow the use of used oil heaters to heat buildings – for example a metal barn. In any case, remember to label the containers (such as drums) of used oil correctly – stating for example: “Contents: Used Oil.” Check with your local jurisdiction to be sure of their requirements. Also store the used oil in compatible, closed containers preferably within secondary containment to reduce the likelihood of environmental harm should there be a leak or spill.