I posted the vinegar, water, detergent mixture on this thread a while back:
http://www.thehighroad.org/showthread.php?t=338396
It's down at number 11. Don't leave them in it too long or they'll turn pink.
My boss has a name for taking supplies from the shop. It involves Johnny Law and not working there anymore. I don't know what is in brake cleaner or the solvent, like many cleaners it may be chlorine based.
I doubt any self respecting Johnny Law org has the resources or cagingas to pursue matters involving oz's of brake cleaner. I'm pretty sure he wasn't looking for so called morale pontification and judgements but rather info on effective and prudent methods of cleaning cases.