I finally tested the tiles with chemicals. I let the chemicals that did not evaporate quickly sit overnight. I used oil, brake fluid, contact cleaner, brake cleaner, acetone, trans fluid, gear oil, grease, mineral spirits and turpentine. No gas because I did not want the smell in the garage because I'm doing a lot of work in there right now. The tiles were RaceDeck Diamond, Supratile and Norsk Sport. I was able to clean all of them with no traces left. The Norsk Sport was a pain to clean because of the pebble like texture so that is out. I then poured water on the seams. The two Supratiles with the puzzle joints were dry underneath while the RaceDeck were wet. I know the RaceDeck design is for liquids to run under the tiles and out the door but I was planning on using landscape fabric to quiet the clacking sound. I think that would probably prevent flow and impede evaporation.
James