I mix all my oilies (atf, brake, engine, dirty fuel) and throw in in the waste oil container at my local dump. Look it up on your town or city's website. I had to go two towns over and pay a fee to get rid of the anti freeze.

__________________
1983 240D 3.0T 4-speed manual, now sold

1989 Subaru GL Wagon 5-speed Touring Edition