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Refrigerant contamination found

March 15, 2013
Motor vehicle A/C refrigerant contamination has become a heightened concern with the recent discovery in the U.S. of R-134a contaminated with R-40. Unlike CFC-12 or R-134a, R-40 can pose a risk to technicians, shops and equipment.
 
To avoid cross contamination, it is recommended that techs identify the refrigerant in a vehicle before evacuating it into a recycler. Note too that R-134a offered for sale well below its current market price may not be R-134a.
 
For further information on the R-40 contamination issue, see http://ccar-greenlink.org/2013/02/14/r-40-refrige​rant-has-been-found-in-contaminated-r-134a-cylinders-in-the-u-s. For general information on motor vehicle A/C refrigerants, see an NADA publication, “A Dealer Guide to the EPA Mobile Air Conditioning Coolant Recycling Regulation,” which is at http://newsmanager.commpartners.com/nadah2/issues/2013-03-07.html#3.
 
For more on the matter from the Environmental Protection Agency, go to www.epa.gov/ozone/title6/609/index.html. Questions also can be directed to NADA Regulatory Affairs at (703) 821-7040 or regulatoryaffairs@nada.org.
 
 

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