Evaluation of Vestergaard's hollow fiber LifeStraw® for the removal of Escherichia Coli and Cryptosporidium according to the US Environmental Protection Agency guide standard and protocol for evaluation of microbiological water purifiers, 2010.
Department of Soil, Water and Environmental Science, University of Arizona. Naranjo, J. and Gerba, C.P.
- Longevity of LifeStraw® was successfully assessed in laboratory conditions (harsher conditions than what is required by the EPA in terms of turbidity and organic matter), up to 1600L (approximately 160% of design life).
- Antimicroial Efficacy: LifeStraw® was successfully assessed in the same laboratory conditions (EPA 1987 protocol for microbiological water purifiers testing) and showed that LifeStraw® meets the EPA requirements of LOG 6 reduction for bacteria and LOG 3 reduction for protozoan parasites: