Treaty signed by Reagan essentially banning freon whose patents had ended thereby giving Dupont a blank check to charge exorbitant prices for inferior chemicals while throwing a bone to enviro wacko's and placing a secret tax on all of us. What is known as a political win/win.
Question? Is it in NASA's best interest to let the shuttle fail?
Also stopped the use of Volitile Organic Compounds. Most companies did not contest the protocol since it was thought that substitutes could be found for most products. But MEK was dropped as a cleaner, and the replacement did not clean as well. Verathane went to a water based, has it worked as well as the old thinner based paint? What made the foam stick may have been the cleaning agent or the compounds or the process, but the new process did not work as well and NASA did not worry about it til the Challenger disaster.