Freon Reply #5 – July 02, 2013, 12:56:25 AM Quote from: ThunderbirdSport302;417868Illegal, ain't it? lolIllegal to vent refrigerant into the atmosphere. Not illegal for do-it-yourselfer to add refrigerant to vehicle. Must have Section 609 Certification for Recovery and Recycling of Refrigerant to purchase R12 from retail business. Can be obtained for $20 and pass on-line test at http://macsworldwide.wordpress.com/ Quote Selected