EnviroKlenz® in a New Jersey School 

An indoor air quality case study.

Study Background

EnviroKlenz conducted case studies with educational partners at various locations in the United States during the COVID-19 pandemic.  EnviroKlenz Air System Plus was deployed and operational alongside an air meter that measures and records particulate matter. The EnviroKlenz Air System utilizes multi-stages of filtration consisting of patented technology for a broad array of contaminates, UVC (254 nm wavelength), and HEPA.  The air meter provides real-time estimates of particulate matter concentrations (PM1, PM2.5, PM10) and particle size distribution using a combination of multiple light scattering-based particle sensors.

The systems ran in operational educational environments with daily schedules being carried out as usual.

Increases and decreases in the particulate matter were observed as expected given the conditions with the air monitor.

The results from this case study with the EnviroKlenz Air System Plus were compared to particulate matter data from the Environmental Protection Agency (EPA).  From 2000-2019, the EPA, through a nationwide network of over 400 monitoring sites, developed ambient air quality trends for PM 2.5 particle pollution, representing fine inhalable particles, with diameters that are generally 2.5 micrometers and smaller.  In the EnviroKlenz case studies, a broader range of particles was monitored, all with similar trends, but for illustration purposes, the data collected aligned to the size range of the EPA data is shown by plotting the national standard and the top 10 percentile for air quality for comparison.

Test Details

Testing Period: 12/9/20- Present

Setting: Classroom in a School

Equipment Used: (1) EnviroKlenz Air System Plus and (1) Quant-AQ commercial-grade aerosol measurement instrument. Readings were captured in the ranges of PM10, PM2.5, and PM1(sub micron sized)

Running Time: The EnviroKlenz Air System Plus is typically only run during school hours.

Monitor status: Kept on throughout testing period

Observation: Spikes can be seen at night and decrease in the morning, which shows the abilities of the EnviroKlenz Air System Plus to remove particles quickly

At an east coast school, one EnviroKlenz Air System Plus was used per classroom.  For this case study, the air meter was allowed to be set up in advance of the EnviroKlenz Air Systems Plus deployment to establish background PM 2.5 readings.  The readings were taken before the school dismissal for Thanksgiving Break.  The EnviroKlenz Air Systems were deployed following the return in December.  The baseline readings showed the impact of student movement in the facility with spikes during high traffic times such as arrival and dismissal as expected. Once the EnviroKlenz Air Systems were deployed, the spikes leveled off, and the monitoring area was able to maintain PM 2.5 levels at or below the EPA national standard when that was not the case before deploying the EnviroKlenz Air Systems.

Comparison to National Average
Case Study New Jersey Graph 01

The baseline readings showed the impact of student movement in the facility with spikes during high traffic times such as arrival and dismissal as expected. Once the EnviroKlenz Air Systems were deployed, the spikes leveled off, and the monitoring area was able to maintain PM 2.5 levels at or below the EPA national standard. 

More Case Studies
Massachusetts Dental College

The EnviroKlenz Air System Plus was deployed at a dental college as a supplement to capture aerosolized matter during procedures.  The facility already had excellent air quality, but the systems were deployed to mitigate pathogens that may exist during procedures to prevent them from circulating in the air.

 

Public School in the Midwest

At a midwestern city urban school, the air systems showed a steady overall decrease in particulate matter over a 2-week period.  In this site, the building did have central heating and air that helps steady air quality readings.  Increase, or spikes, were observed at higher traffic points of the day when students were more likely to be entering, moving, or leaving the facility.  

Iowa School 

At an Iowa school, one EnviroKlenz Air System Plus was used per classroom. The air purifiers were shut off during winter break and restarted on 1/14/2021. A steep drop in PM can be seen over the first 48 hours of running the air systems.  The air purifiers will typically be run only during class hours.

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