Efficacy Testing of 3 Air and Surface Disinfecting Technologies
An independent laboratory conducted testing on HVAC air and surface disinfection systems to evaluate their ability to reduce pathogens. The FDA-compliant lab compared products from three different companies using three different technology strategies
CASPR’s mobile and in-duct disinfection technology uses a proprietary Natural Catalytic Converter (NCC) process that extracts oxygen and moisture from ambient air and then produces and continuously delivers a low concentration (less than 0.1 ppm) of gaseous hydrogen peroxide to clean a target area.
With so much attention on finding the safest and most effective ways to protect kids and teachers during school, Sterasure, a Canadian biotechnology distributor, worked with Sporometrics, an accredited laboratory, to test and demonstrate the real-world effectiveness of CASPR’s technology in a school setting. The test was arranged through a Toronto preschool and kindergarten school in October 2020.
During the test, the school’s air was analyzed along with multiple surfaces for bacterial load. The CASPR 5000 In-Duct units were then installed, and the environment was tested again two weeks later. The surfaces tested included various high-touch surfaces, including keyboards, bathroom surfaces, desks, furniture and tech equipment.
Schools are high-risk environments when it comes to pathogen propagation. This risk extends past its boundaries to the transportation of students to and from school (School Buses). This study evaluates the efficacy of CASPR’s Natural Catalytic Conversion (NCC) technology in a school bus and its’ ability, on top of other routine cleaning and policy protocols, to mitigate pathogen reduction. Surface swabs for bacteria were taken before and during the operation of the CASPR system showing an average reduction of 94% (p = 3.014e-11). Results from this study suggest that CASPR’s NCC technology can effectively reduce pathogens in a school bus.
Results from this study demonstrate the ability of the CASPR system to reduce pathogens on a school bus undergoing normal prescribed use and cleaning. High reduction (94%) with strong statistical significance (p = 3.014e-11) demonstrates the potential this technology has to keep students safe during transit. Aerobic bacteria were chosen as a surrogate to general pathogen presence but are not limiting. NCC technology has been proven effective against most other prevalent viruses, fungi and bacteria. Implementation of this system will result in a reduced bio burden on the buses and therefore should minimize the risk of pathogen transmission.
Restaurants are publicly available spaces which are particularly prone to SARS-CoV-2 exposure due to their small size and nature. Risk of foodborne illness and stringent sanitation requirements adds urgency to the need for improved air-pathogen treatment. This study evaluates the ability of the CASPR system to decrease air pathogen levels in a restaurant environment. Active air sampling for fungi was performed before and after the operation of the CASPR system for a 1-week period. An 83% reduction in total average CFU fungal levels was observed after operating the CASPR system (p=0.05). Results from this study suggest that CASPR’s Natural Catalytic Conversion (NCC) technology can effectively reduce pathogens in a restaurant environment.
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