Per a listmember's advice I read the MSDS posted on the site.  Not very
surprising to this novice.  FWIW, read a similar datasheet on gasoline.  Now
that stuff is BAAAD Boogie.  Gonna swap the subie for a steam powered
hydrogen fueled bio diesel this afternoon if I can just find my pliers.
R134 is fast becoming missing from my vehicle contents...

p