By Annabelle M. Johnson, Division of Environmental & Ecological Engineering, Purdue University, and corresponding author Ernest R. Blatchley III, Division of Environmental & Ecological Engineering and Lyles School of Civil & Construction Engineering, Purdue University The global pandemic that started in late 2019 resulted in more than 700 million diagnosed cases … [Read more...] about Relating Exposure from GUV Systems to Exposure to Ambient UV-B (and UV-A) Solar Radiation
Regulatory
US EPA Continues Work in Evaluating GUV Technology
By Katherine Ratliff, Ph.D., physical scientist, US EPA Office of Research and Development, Center for Environmental Solutions and Emergency Response, Homeland Security and Materials Management Division When the COVID-19 pandemic started, researchers at the US Environmental Protection Agency (EPA)’s Office of Research and Development quickly focused efforts on how to reduce the … [Read more...] about US EPA Continues Work in Evaluating GUV Technology
Regulations and Standards on Application of UV Light for Water, Food and Beverages
By Danny Bayliss, Campden BRI; Keith Warriner & Mahdiyeh Hasani, Department of Food Science, University of Guelph; Tatiana Koutchma, Agriculture and Agri-Food Canada In this article, members of the IUVA Food & Beverage Committee reviewed and summarized the historical perspective and updates to regulations and standards related to the application of UV for water, food … [Read more...] about Regulations and Standards on Application of UV Light for Water, Food and Beverages
California Senate Bill Regulating UV Devices Not Moving Forward
International Ultraviolet Association (IUVA), Chevy Chase, Maryland, reported that in February 2025, a bill was introduced to the California State Senate – SB 1308: Ozone: indoor air cleaning devices. The bill proposed the amendment of section 41986 of the Health and Safety Code to read: (a)The state board shall, by July 1, 2026, or as soon as feasible without requiring new … [Read more...] about California Senate Bill Regulating UV Devices Not Moving Forward
Focus on Healthcare/UV Disinfection: Communicate, Collaborate, Consolidate and Educate: C3E
With all the new developments in the industry, it sure feels like GUV technologies and the related issues are evolving at Einstein’s cosmological constant, c – aka, the speed of light (pun intended). This makes it harder to keep up with cutting-edge developments and makes communication all the more critical. Once we start communicating, we need to collaborate, consolidate and … [Read more...] about Focus on Healthcare/UV Disinfection: Communicate, Collaborate, Consolidate and Educate: C3E
ISO Standards for UV Disinfection for Water Reuse Systems
By Phyllis Posy, PosyGlobal and IUVA Chair of Education Committee; and Kumiko Oguma, Department of Urban Engineering, The University of Tokyo and IUVA Asia-Pacific Vice President Standards for UV technologies have long been a topic on the IUVA agenda, and the IUVA has issued several specific discrete measurement standards over the years. Several IUVA Task Forces also are … [Read more...] about ISO Standards for UV Disinfection for Water Reuse Systems
Focus on Healthcare/UV Disinfection: MOUs, Standards and Regulations: Boring Stuff, Right? Wrong!
Troy Cowan, IUVA Healthcare/UV Working Group facilitator Exciting news! IUVA has just added another stellar Memorandum of Understanding (MOU) – this time, with the National Institute of Standards and Technology (NIST), memorializing and formalizing our relationship that started with the Healthcare/UV Working Group in 2017. That first visit to NIST headquarters has led to … [Read more...] about Focus on Healthcare/UV Disinfection: MOUs, Standards and Regulations: Boring Stuff, Right? Wrong!
The Need for Consistent Germicidal UV Labeling
Mairead Smith, principal project engineer, ECRI Troy Cowan, IUVA Healthcare/UV Working Group facilitator This quarter, we invited Mairead Smith, lead of our UV Labeling Team, to capture the drivers behind the initiative and summarize the team’s efforts to date in drafting labeling standards for UV disinfection sources and UV devices. The plan is that this will result in an … [Read more...] about The Need for Consistent Germicidal UV Labeling
Industry Influences from WEFTEC and the Infrastructure Bill
IUVA One Water Cassidy Yates MS Option Student, Department of Civil and Environmental Engineering, University of New Hampshire Nicola Elardo MS Option Student, Department of Civil and Environmental Engineering, University of New Hampshire Castine Bernardy Ph.D. student, Department of Civil and Environmental Engineering, University of New Hampshire With the return of some … [Read more...] about Industry Influences from WEFTEC and the Infrastructure Bill
EPA Takes Aim at Purification Devices
Reza Zarghamee, Pillsbury Law Alex Payton, Pillsbury Law Matt Morrison, Pillsbury Law Anne Austin, Pillsbury Law Nearly two years after the COVID-19 pandemic began, indoor air quality and safety remain widespread concerns among Americans. In homes and workplaces alike, demand has grown for air filters and purifiers, including those that use ultraviolet (UV) light technology … [Read more...] about EPA Takes Aim at Purification Devices