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The Illuminating Engineering Society Introduces New Standard: ANSI/IES RP-44-21 Recommended Practice: Ultraviolet Germicidal Irradiation

February 16, 2022

The Illuminating Engineering Society (IES) recently introduced the standard, ANSI/IES RP-44-21 Recommended Practice: Ultraviolet Germicidal Irradiation. This new standard addresses the use of UVGI for disinfection, the potential dangers for humans, potential effects on materials and plants, UVGI technologies, and safety measures and precautions.

Webinar: Introduction to RP-44-21, Ultraviolet Germicidal Irradiation (UVGI)

February 9, 2022

Join us for a presentation of RP-44-21, Ultraviolet Germicidal Irradiation (UVGI). While published during COVID-19, there is also the future possibilities to reduce infectious disease in our built environment to consider. Join three experts for a well-rounded discussion on Ultraviolet Germicidal Irradiation (UVGI). This presentation will cover: What is UVGI efficacy and Safety? with David Sliney , UV-C lamp technology and measurement with Rolf Bergman, and UVGI Applications with Richard Vincent.

13 New IES Standards Published for 2021-2022

September 13, 2022

Keep up to date with the latest best practices! The IES has published 13 new standards in the 2021-2022 fiscal year. All Standards are available in the IES Lighting Library and are also available for individual purchase in the IES Webstore.

President’s Perspective

July 28, 2022

As we transition into another fiscal year, I can’t help but notice the changing landscape all around us.

By Frank Agraz

GUV Measurements – From the Lab to the Field

October 7, 2021

By Michael L. Grather, CTO, LightLab International Allentown, LLC

We have all seen the wide range of new products claiming to be effective against pathogens of all sorts. Common claims range from the rather ambiguous “fights germs” to the more specific but questionable claim “can disinfect up to 40 square meters of the surface at a time.” Maybe it’s just the times we’re living in, but my first reaction is to take a very skeptical view of these claims. It also seems that I’m not the only one. My neighbor, who is not in the lighting field, asked me if I thought “these UV lights” are safe. Almost without taking another breath he followed it up by asking “… do they actually work?”

Lighting Library Contents

May 14, 2021

WHAT’S IN THE LIGHTING LIBRARY? The Lighting Library® is a newly formulated 5-collection series of IES standards that updates, expands, and replaces The 2010 Lighting Handbook and previous versions of

The IES Lighting Library Standards Collection

July 22, 2020

Our standards Lighting Library is unique in the lighting industry because of our attention to quality, topic breadth, and diversity of expertise.

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