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7. Rainwater
7.1 Rainwater composition
The chemical composition of rainfall was monitored by Météo-France from 1977 to 2009 at three weather stations. The study , published in June 2011, showed that :
the average pH rose steadily over the period, from around 4.6 to 5.2 (average for the three sites), indicating a drop in the acidity of the rainwater;
sulfate deposits, averaging 3 kg/hectare/year (expressed as sulfur equivalent), fell by 65% over the period 1980-2008, which can be explained by a reduction in SO 2...
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Rainwater
Natural mineral waters, spring waters and other waters
Bibliography
Regulations
Council Directive 91/271/EEC concerning urban waste water of May 21, 1991 (OJ L 135 of May 30, 1991).
Directive 2000/60/EC of the European Parliament and of the Council of October 23, 2000 establishing a framework for Community action in the field of water policy (Official Journal L 327 of December 22, 2000).
Law of January 3, 1992 on water (JORF n° 3 of January 4, 1992)....
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