| contamination of potable roof-collected rainwater in auckland, new zealand. | one-hundred and twenty-five domestic roof-collected rainwater supplies in four rural auckland districts were investigated in a cross-sectional survey to determine water quality. samples of cold faucet water were analysed for physico-chemical and microbiological determinands, including metals (zinc, copper and lead), bacterial indicator organisms--heterotrophic plate count (hpc), total coilforms (tc), faecal coliforms (fc), enterococci (ent), bacterial pathogens including salmonella spp., legione ... | 2001 | 11317899 |