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Refrigerant circuit > < Conversion of an R12 refrigerant circuit to an R134a refrigerant circuit and servicing (retrofit)
Keeping refrigerant records
Keeping refrigerant records
The environmental statistics law requires records to be kept on the use of refrigerants exceeding a certain quantity per year.
Consequently, motor vehicle workshops may well have to provide the relevant local authorities with information on their use of refrigerant. It is therefore advisable to always keep a record sheet → Audi-ServiceNet, HSO Environmental Protection.
  Note
t  On the basis of a regulation of the European parliament from 2005, it is generally no longer necessary in the EC to keep a record sheet for the quantity of refrigerant handled in motor vehicle workshops. A record sheet is currently only necessary as of an annual consumption of 50 kg or more (refer also to directive (EC) No. 1005/2009 for example).
t  As the relevant local authorities may demand information on refrigerant consumption as of a certain quantity (currently as of 20 kg per year), it is advisable to always keep an appropriate record sheet.
t  Other regulations may apply in countries not belonging to the EC.
   

Refrigerant circuit > < Conversion of an R12 refrigerant circuit to an R134a refrigerant circuit and servicing (retrofit)