Cryptosporidium Testing Articles & Analysis
6 articles found
The efficacy of a modified slow sand (MSS) filter treatment technology to produce drinking water and remove Cryptosporidium oocyst-sized particles was tested using a rural raw water source seeded with 4–4.9 μm (mean 4.5 μm) microsphere surrogates. ...
In this work, the ceramic siphon POU water filter was evaluated for its ability to reduce indicator microorganisms in test waters. During batch challenge tests, the filter reduced Escherichia coli in filtered water by 7 log10 (99.999987%) and bacteriophage MS2 by 0.12 log10 (24.0%). ...
As part of investigations into the cause of a waterborne outbreak of Cryptosporidium hominis infection linked to a mains water supply, surface waters and wastewater treatment plants were tested for Cryptosporidium spp. ...
Most waterborne outbreaks of cryptosporidiosis have been attributed to agricultural sources due to the high prevalence of Cryptosporidium oocysts in animal wastes and manure spreading on farmlands. ...
Five stool samples from travel group members tested positive for Cryptosporidium parvum, a species that is animal in origin and often spread through an environmental contamination with animal feces. ...
The Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR) dictates that for a DWTP to receive credit for UV inactivation of chlorine resistant pathogens such as Cryptosporidium and Giardia , validation testing must be performed to demonstrate that the UV reactor equipment delivers the required dose. This paper summarizes an extensive bioassay validation ...