The World Meteorological Organisation (WMO) has reported that ozone layer depletion reached record levels over large parts of the Arctic in spring. Monitored ozone levels over the Arctic in March are typically at least 240 Dobson Units (DU) – with a DU representing a 0.01mm-thick layer of pure ozone at standard temperature and pressure (STP). Continue reading Extreme weather, CFC damage result in record Arctic ozone depletion
VASA’S North American counterpart MACS has received reports of Chinese vehicles being sold into Uruguay with air-conditioning systems labelled as using the refrigerant blend R415b. This refrigerant is 25 per cent R22 (an ozone-depleting HCFC) and 75 per cent R152a (an A2-rated flammable HFC). It is reportedly installed in seven-seat minivan type vehicles sold in Continue reading Chinese vehicles using R415b?