Our UV Disinfection for Drinking Water Applications Are Independently Verified
In order to meet the latest municipal drinking regulations around the world, and can offer UV solutions that have been independently 3rd party verified using bioassay testing with live surrogate micro-organisms (B. Subtilis, MS2 phage T1 & MS2) at a vast range of water qualities.
As the leading and most complex independent validation test standard available worldwide, all drinking water systems are tested in accordance with US EPA Ultraviolet Disinfection Guidance Manual (Long Term 2 Enhanced Surface Water Treatment Rule).
In comparison to other validation protocols, such as DVGW or ÖNORM, which only test to a single UV dose set point of 40 mJ/cm², the US EPA UVDGM validation test method collects performance data at a wide range of UV dose set points. Importantly, this allows USEPA UVDGM UV Systems to provide a guaranteed, validated dose at any set point between 10 mJ/cm2 RED and 120 mJ/cm² RED. For drinking water operators, this provides a highly flexible UV system that can often reduce both CAPEX and OPEX costs by over 50%.
Shown in the above table, by adopting the US EPA UVDGM Validation, UV systems can be sized to provide the correct UV dose in relation to the specified UVT% and target micro-organism. In the case of UVT% values higher than 90% T10, the power savings are typically 50% less when using the US EPA UVDGM compared to the required operating power of DVGW and ÖNORM solutions, which can only offer 40 mJ/cm2 in all circumstances.
US EPA UVDGM VALIDATION
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