sanitary inspection of wells using risk-of-contamination scoring indicates a high predictive ability for bacterial faecal pollution in the peri-urban tropical lowlands of dar es salaam, tanzania. | sanitary inspection of wells was performed according to world health organization (who) procedures using risk-of-contamination (roc) scoring in the peri-urban tropical lowlands of dar es salaam, tanzania. the roc was assessed for its capacity to predict bacterial faecal pollution in the investigated well water. the analysis was based on a selection of wells representing environments with low to high presumptive faecal pollution risk and a multi-parametric data set of bacterial indicators, genera ... | 2012 | 22717748 |