Originally Posted by
rootboy
Not much has been said about disposal of cleaning agents, which the OP asked about in his post.
It's a tricky and important subject. I've not always followed strict environmentally friendly methods.
Yeah, this. I re-use mineral spirits, filtering it through a coffee filter between uses, but after a while it's just too contaminated to be useful. What do you do with it then, if you're not a commercial shop with Safety Kleen service?