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Vendor tells Three Rivers board its UV air systems and tracer tests can reduce airborne transmission; trustees ask about costs and evidence
Summary
At the Feb. 19 Three Rivers School District board meeting, John Papp of PlanMDA presented upper‑room UV germicidal systems and tracer-based validation that he said can measurably reduce airborne pathogen transmission; trustees pressed for independent evidence, portability and cost estimates compared with HVAC upgrades.
John Papp, CEO of PlanMDA, told the Three Rivers School District board on Feb. 19 that upper‑room UV germicidal irradiation (UVGI) systems combined with on-site tracer testing can provide a practical, lower‑cost way to reduce airborne pathogen transmission in classrooms.
Papp said his company and partners used a saliva‑surrogate tracer and DNA tagging during demonstrations in district classrooms and that the tracer data can be modeled to estimate a level of disinfection. “We thought that that science‑based approach … actually has a proven track history of reducing the transmission by about 80 to 90 percent,” Papp said, describing prior peer‑reviewed studies and laboratory work his team uses to calibrate field measurements.
Superintendent Dave Valenzuela introduced the…
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