Recommended Practice: Ultraviolet Germicidal Irradiation (UVGI)

Ultraviolet Germicidal Irradiation (UVGI)

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ANSI/IES RP-44-21
Document Type: Recommended Practice (RP)

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SKU: ANSI/IES RP-44-21 Category: Tags: , ,

Product Description

Approved American National StandardUVGI can been used to disinfect air, water, and surfaces that are or could be contaminated by bacteria, protozoa, mold spores, fungi, and/or viruses. This document specifically addresses the use of UVGI for disinfection of room air and surfaces. Topics covered include: types of UV radiation; how germicidal UV works to disinfect; UVGI technologies; design and use of GUV systems for disinfection effectiveness; systems comparisons based on type of application, type of pathogen, and means of transmission; system maintenance and performance verification; potential dangers for humans; potential effects on materials and plants; and safety measures and precautions.

Page count: 41 pages
Publisher: Illuminating Engineering Society (2021)
SKU: ANSI/IES RP-44-21
ISBN-13: 978-0-87995-406-2

Chapters:

  • 1.0 Introduction and Scope
    2.0 Definitions and Abbreviations
    3.0 Types of UV Radiation
    4.0 Types of GUV Equipment and Systems
    5.0 Effects of Ultraviolet Radiation
    6.0 Design and Use of UVGI Systems for Disinfection Effectiveness
    7.0 Maintaining Systems and Verifying Performance
    8.0 Safety Measures and Restrictions
    9.0 Overview: Systems Comparisons
    10.0 Additional Information

Citation Format:
Illuminating Engineering Society. ANSI/IES RP-44-21, Recommended Practice: Ultraviolet Germicidal Irradiation (UVGI). New York: IES; 2021.

CONTENTS

  • 1.0 Introduction and Scope
  • 1.1 Introduction
  • 1.2 Scope
  • 2.0 Definitions and Abbreviations
  • 2.1 Definitions
  • 2.2 Abbreviations
  • 3.0 Types of UV Radiation
  • 4.0 Types of GUV Equipment and Systems
  • 4.1 GUV Technologies
    4.1.1 Low-Pressure Mercury (Hg) Lamps
    4.1.2 Medium-Pressure Mercury Lamps
    4.1.3 Xenon Lamps
    4.1.4 Excimer Lamps
    4.1.5 LEDs
  • 4.2 In-Duct Systems – Surface and Air
  • 4.3 Upper-Room Systems
  • 4.4 Mobile Systems, Including Robots
  • 4.5 Handheld Devices
  • 5.0 Effects of Ultraviolet Radiation
  • 5.1 How UVGI Disables Bacteria and Viruses
  • 5.2 Ultraviolet Disinfection Efficacy
  • 5.3 Dangers to Human
    5.3.1 Source-Specific Hazards
    5.3.2 The Risk of Skin Cancer
  • 5.4 Effects on Paints, Materials, Plants
  • 6.0 Design and Use of UVGI Systems for Disinfection Effectiveness
  • 6.1 Air Disinfection
  • 6.2 Room Surface and Object Disinfection
  • 7.0 Maintaining Systems and Verifying Performance
  • 8.0 Safety Measures and Restrictions
  • 8.1 Safety Rules for Air Disinfection With UVGI
    8.1.1 All GUV Sources
    8.1.2 Upper-Room GUV Sources
    8.1.3 AHUs With Internal GUV Sources
  • 8.2 Safety Rules for Surface Disinfection with GUV
  • 8.3 Safe Viewing During Room Disinfection
  • 8.4 Using UVGI in Hospital Tents
  • 8.5 Use of GUV Equipment in the Home
  • 9.0 Overview: Systems Comparisons
  • 9.1 Options and Basis for Application Type
  • 9.2 Evaluated by Type of Application
  • 9.3 Evaluated by Type of Pathogen
  • 9.5 Summary Tables
  • 10.0 Additional Information
  • Annex A – Commissioning Upper-Room UV Disinfection Systems
  • References