"M" writes:

Well, they better keep quiet about it. Used piston engine oil from
aircraft burning 100LL contains fairly large amount of lead (that's why
it looks green-ish). Burning it will release the lead into atmosphere
in the surrounding area.


So does burning AvGas......


ITSM the EPA requires that anyone selling oil accepts used oil back.
[Or have a place to send you to that does...]

I'm SURE there's a recycling location near you; ask around.




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