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Sanitary surveillance in Costa Rica's municipalities
01.07.1997
Costa Rica has made great strides in increasing water supply coverage, but until 1996, had no procedures for carrying out water surveillance. How did they start from scratch? -
On-site sanitation and urban aquifer systems in Uganda
01.04.1999
Absence of microbial indicators from groundwater does not always mean absence of contamination. Research in sub-Saharan Africa warns against generalized assumptions and solutions.