A few years ago my sister got a birthday card for my dad that said “For your birthday I checked the oil in my car!” on the front (it’s funny because he used to harass us about this all the time, trust me, it’s hilarious). Then when you opened it, it said, “still black and yucky.” (See what I mean about the hilarity? Great card). To this day my father still likes to remind us that the oil in our cars should never be black but I digress.
As I finished that last paragraph it dawned on me that I never came up with a concrete way to segue this into a post about used oil management. I think I just remembered an anecdote that mentioned oil and thought I could go with it. Let’s pretend that I came up with a brilliant tie in and just keep moving along, shall we?
So used oil… 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 that use, is contaminated by physical or chemical impurities. Used oil can further be broken down into four categories; lubricants, hydraulic fluid, metalworking fluid, and insulating fluid or coolant. Used oil does not include any of the following:
Regulation of used oil is dependent upon whether or not it will be recycled. Used oil destined for recycling is not regulated as hazardous waste. Used oil destined for disposal, however, is subject to hazardous waste determination and management. And used oil management is a whole new topic.
Hazardous waste and contaminated used oil cannot be burned in non-industrial boilers. Additionally, quality specifications are established for used oil and if a used oil cannot meet these set specifications, it is subject to administrative controls and cannot be burned in non-industrial boilers.
Used oil that contains more than 1,000 PPM of total halogens (TX) is automatically presumed to have been mixed with spent solvents. Since EPA and used oil handlers sometimes found it difficult to determine if used oil had been mixed with a listed hazardous waste the EPA decided to use an objective test that focused on the halogen level in used oil. This objective test is known as the rebuttable presumption. The “rebuttable presumption” makes used oil a listed hazardous waste (F001/F002) unless it can be proven otherwise. Rebutting the F001/F002 listing presumption could include any or all of the following items:
Re the chart above, under PCB regulations used oils containing PCBs between 1-50 ppm (prior to dilution) are considered off-specification. Unanalyzed used oils are considered to be off-specifications for PCBs. (40 CFR 761.2(e)(1) & (2) and 40 CFR 279.10(i))
There are also some prohibitions set forth concerning used oil. For example, used oil cannot be managed in unpermitted surface impounds or waste piles, it cannot be used as a dust suppressant, it cannot be burned off in non-specified devices, and it cannot be mixed with hazardous waste. Generators must make sure to comply with all rules associated with used oil management in order to maintain RCRA compliance.
And as always, remember that this blog post is not intended to be a full list of regulations. It is vital that you always check with local and state governments and 40 CFR for the most up-to-date information.
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