| assessing protozoan risks for surface drinking water supplies in nova scotia, canada. | protozoa, such as cryptosporidium parvum and giardia lamblia, pose a human health risk when present in drinking water. to minimize health risks, the nova scotia treatment standards for surface water and groundwater under the direct influence of surface water require a 3-log reduction for giardia cysts and cryptosporidium oocysts. this study determined the protozoan risk of municipal surface source waters in nova scotia, through the use of a pre-screening risk analysis of water supplies, followed ... | 2016 | 26837839 |