In the air quality directive (2008/EC/50), the EU has set two limit values for sulphur dioxide (SO2) for the protection of vegetation within the zones designated by member states: the SO2 annual mean value may not exceed 20 micrograms per cubic metre (µg/m3) and the SO2 mean value for the winter period (1 October to 31 March) may not exceed 20 micrograms per cubic metre (µg/m3).
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This way you can cut your water consumption by a third! Pause the water flow when soaping and avoid long showers. A shower uses about 30 to 80 litres, while a bath uses 150 to 200 litres of precious water. Install low-flow shower heads and think before buying a power shower.
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