EFFECTS OF ROOFING SHEETS ON HARVESTED WATER RUN OFF
ABSTRACT Harvested water run-off from five different houses with stone coated roof were sampled in Ichida, Anambra state for the effect of the roof on the harvested water. The pH and metal content of the harvested water run-off were analyzed. The result of the analysis where compared with the World Health Organization standard. The results showed that the pH ranged from 6.4 – 7.2 and the concentration of the heavy ...
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