Refrigerant news: UNEP
UNEP has just published a Manual for the Refrigeration and Air-conditioning Technicians and Engineers: Post phase-out period of CFCs and beginning of phase-out of HCFCs,which "may be used for the purpose of developing training resources or parts of training courses, as well as general guidance and information for technicians on issues that are closely related to the use and application of alternative refrigerants." www.unep.fr/ozonaction/information/mmcfiles/7443-e-Ref_manual_servicing_technicians.pdf