Proper handling techniques do not end when oil has been put into service. Once the life of the oil has been exceeded, you must ensure the lubricant is captured and disposed of both safely and in an environmentally friendly way. To achieve this goal, it is essential to employ best practices for used oil management.
Many people use the terms waste oil” and used oil” interchangeably. While both labels may identify the same fluid, from a regulatory standpoint there is a significant difference. Used oil is defined by the U.S. Environmental Protection Agency (EPA) as follows:
Used oil is any oil that has been refined from crude oil or any synthetic oil that has been used and as a result of such use is contaminated by physical or chemical impurities.”
This does not include vegetable or animal-based oils, but any petroleum or synthetic-based oil that has been used previously. In contrast, waste oil has been contaminated and is deemed not usable. For example, if the cap on a new oil drum had been leaking and water had gotten into the drum, this product would be deemed to be unusable and as such would be waste oil.
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