Several on-site evaluations of UVGI
have been conducted over the past few decades.
Baseline cultures were taken just prior to intervention of the UVGI
and ninety days post UVGI
In the long run, the cost of UVGI
installation could prove cost-effective compared with the cost of absenteeism due to building-related illness," said lead researcher Dr.
Exhaust air in all hospitals was treated with HEPA filtration and UVGI
lights were installed in the buildings' HVAC systems to irradiate cooling coils, drip pans, and filters.
Current trends in UVGI
air and surface disinfection.
Currently, upper-room UVGI
is recommended by the Centers for Disease Control and Prevention as a supplemental approach for preventing transmission of TB (9).
2006) have found that the operation of UVGI
systems is correlated with reduction in sick building symptoms, incidence of sick leave in two office buildings, and reduction in the symptoms of mold-sensitized asthmatic children when UVGI
is used at home.
utilizes 254-nm ultraviolet (UV) radiation from low-pressure mercury discharge lamps to reduce the indoor concentration of infectious agents.
Accounting for Operating Conditions in UVGI
Lamp Rating and System Design
SURFACE DISINFECTION OF FOODS 80 Meat, Poultry and Seafood 81 Eggshells 81 Milk 82 Produce 82 SURFACE DISINFECTION OF PRODUCTION AREAS, EQUIPMENT AND PACKAGING 83 CHAPTER 8 AIR TREATMENT 85 TABLE 22 MARKET SIZE AND GROWTH FOR UV EQUIPMENT IN AIR TREATMENT, THROUGH 2018 ($ MILLIONS) 87 FIGURE 6 MARKET SIZE AND GROWTH FOR UV EQUIPMENT IN AIR TREATMENT, 2000-2018 ($ MILLIONS) 87 OVERVIEW 87 INDOOR AIR POLLUTION 88 TABLE 23 INDOOR AIR POLLUTANTS 88 UV EQUIPMENT FOR INDOOR AIR TREATMENT 89 TABLE 24 UVGI
SYSTEM TYPES 89
Installations in Government Buildings: Exploring the Knowns, Unknowns, and Gaps Regarding Potential Benefits for Public Health, Employee Safety and Energy Efficiency