When I have R12 removed (usually there is nothing but air in there)
the shop I get my parts from has a freon collection device. I presume
they sell it back to other customers, but at least it gets recycled.

Jim

On Sun, Apr 4, 2010 at 10:01 AM, Dave Mcneely <mcneely4@cox.net> wrote:
> ---- John Rodgers <inua@CHARTER.NET> wrote:
>> �From memory (and that's pretty shakey these days - more senior moments
>> than I like to admit) - R12 can still be used in the system legally
>> because of the age of the vehicle. But R12 is really expensive, and
>> because of that high cost - most opt to go to the R134a. R134a is pretty
>> cheap and can be bought at Walmart or other stores. And - you can
>> install it yourself. However - to use R134a, you must install a R134a
>> hardware conversion kit - available from most FLAPS. Though some say
>> there is no problem with the R134a in these old systems, it is good to
>> know that the R134a runs at a much higher head pressure than the old R12
>> for which the Vanagon systems were designed, and that seems to be the
>> crux of any issues when using R134a in lieu of R12. That given - the
>> rules do allow for a conversion to R134a, and after the conversion is
>> made, you can then install Freeze 12 - a refrigerant that approximates
>> the performance of R12. It runs at much lower head pressures than R134a,
>> thereby taking the strain off of old systems. and older compressors.
>> The conversion to R134a rule doesn't �require you to actually install
>> R134a, so you can just install the hardware conversion kit, then install
>> the Freeze 12. But to run Freeze 12 you absolutely must comply with the
>> R134a hardware conversion to be legal.
>>
>> �From memory.
>>
>> Hmmm. Where did I put my glasses..............
>>
>> John Rodgers
>> Clayartist and Moldmaker
>> 88'GL VW Bus Driver
>> Chelsea, AL
>> Http://www.moldhaus.com
>>
>>
>>
> So, for those who do air conditioning work themselves, what do you do with old refrigerant? �How do you go about collecting it? �This article is interesting in that regard: �http://www.aa1car.com/library/us397.htm �.
> David McNeely
>