Disinfection systems receive UVDGM validation for drinking water use
Berson’s InLine+ Closed Vessel series UV water disinfection systems are now fully validated in accordance with the USEPA UV Disinfection Guidance Manual (UVDGM). The validation certifies the use of the systems for the Long Term 2 Enhanced Surface Water Treatment Rule (LT2ESWTR) released by EPA in November 2006.
“We are delighted to have achieved this important validation as it confirms our position at the forefront of UV disinfection technology for drinking water and wastewater applications,” commented Berson Managing Director Andrew Clark. “From the time we supplied some of the very first UV drinking water disinfection units over 20 years ago, we have been actively involved in providing communities around the globe with safe, reliable UV disinfection and this latest validation continues our long tradition of investing in the industry. We are proud that our state-of-the-art UV disinfection systems meet the very latest and most stringent drinking water standards. I would also like to add that Berson products are no longer subject to any Cryptosporidium or Giardia patent fees for UV disinfection applications worldwide.”
The testing was conducted by Carollo Engineers at its Portland, Oregon, validation facility and covered a three-dimensional matrix of UV transmittance, flow and reduction equivalent dose, using both T1 and MS-2 phage test surrogates. Dose delivery equations were derived for all reactors that predict T1 and MS-2 RED as a function of flow, UV-T, UV sensor readings and microbe UV sensitivity.
Berson UV is also one of the few UV system suppliers capable of providing a complete range of UV systems with capacities between 10 and 10,000 m3/h, certified to the newest German DVGW* norm, W294 Part 1, 2 & 3 - said to be the highest standard currently possible in the world.
* DVGW (German Technical and Scientific Association for Gas and Water) is the body responsible for industry self-regulation in the German water and gas and water supply industry and its technical rules are the basis for safety and reliability.
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