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The pollution of water
The pollution of water can come under different forms: chemical, bacteriological, thermal, and waters or concerned masses of water can be soft, salty or salt, underground or superficial. It can even be about the rain or about dews.
It is a zone where sediments can be hard polluted (they also find there, more numerous lead of hunt and peach where these activities are played).
Conflict against this pollution is all the more difficult as what is in the bottom of water, or diluted in water is often invisible,
and that certain infiltrated toxins the le return often produce their effect only after the long day and only numerous pollutants act in complex synergies. So a spill of 4 000-litres of tétrachlorure of carbon,
happened near Erstein in 1970 and almost unobserved past in epoch, drew away twenty years later a pollution of the phréatique tablecloth and a dug well seven kilometres downstream.
Prepared by : ANAS CHARBI
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