Originally Posted by Johnt49

No where in my post do I suggest violating federal law. I have not suggested circumventing any EPA regs. If you're equating "dump" with venting to the atmosphere, that's a misinterpretation on your part. My only intent was to verify the integrity of the system with easily obtainable 134a before installing the much more valuable, more destructive to the atmosphere & harder to obtain R12.