“As a testing guide to manufacturers wishing to have their units considered as microbiological water purifiers, whether registered or not, and for the evaluation of such testing data; as a guide to consumers regarding what they can expect from microbiological water purifiers tested according to this standard and protocol; to assist in the research and development of microbiological treatment units for possible military applications.”
The EPA criteria and guidelines demand the following percentage reduction:
- 6 log10 (99.9999%) for bacteria
- 4 log10 (99.99%) for viruses
- 3 log10 (99.9%) micro organisms
The Water-to-Go testing reports from BCS, (a major US laboratory which performs testing in accordance with NSF, EPA and NELAC protocols) shows that both sizes of filters used in the 50 cls and 75 cls bottles deliver the following results, which meet or exceed the EPA requirements:
- 6 log10 (99.9999%) for bacteria
- 5-6 log10 (99.999-99.9999%) for viruses
- 4 log10 (99.99%) micro organisms