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Relação de benefício - custo ambiental dos sistemas de água e esgoto sanitário: estudo de caso, Canoas RS
(Universidade Federal de Santa Maria, 2005-04-28)
This case study was carried out at Canoas a city in the State of Rio Grande do Sul - Brazil, involving sanitation problems, mainly those related to the sanitary sewer thrown directly in the rivers and streams without any ...
Plano de proteção de aqüíferos a partir de variáveis ambientais
(Universidade Federal de Santa Maria, 2005-05-10)
The available water reserve, economically viable for the human consumption, only restricts that parcel that if finds in the superficial and groundwater form, that represents only 0.7% of the water fresh existing in the ...