Concrete Floor Grinder/Polisher

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COVID-19 air filtration
While current COVID-19 theory is such that the COVID-19 virus is transmitted via larger liquid droplets emitted when a person speaks, coughs or sneezes, the WHO indicates that research into the virus becoming a transmissible aerosol (e.g. transmitted through the particles floating in the air) is still inconclusive. While the research is finalized, it may be prudent to start using LEV as a capture and control solution. In other words, the absence of scientific certainty should not prevent a prudent response.

Here are a few links to articles written about the capture and control of Covid-19 emmisions:

  • https://www.osha.gov/SLTC/covid-19/dentistry.html
  • https://www.ashrae.org/file%20library/technical%20resources/covid-19/si_a19_ch09healthcarefacilities.pdf
  • http://bpequip.com/indoor-air-flow-and-covid-19/
  • https://www.bassettmechanical.com/covid-19-educational-series-part-1-indoor-air-quality/
  • https://www.sciencedirect.com/science/article/pii/S0160412020317876
  • https://www.ashrae.org/file%20library/about/position%20documents/pd_infectiousaerosols_2020.pdf
  • https://www.cdc.gov/coronavirus/2019-ncov/community/guidance-business-response.html
  • https://www.osha.gov/Publications/OSHA3990.pdf
  • https://www.jamda.com/article/S1525-8610(20)30320-0/pdf
  • https://www.cdc.gov/coronavirus/2019-ncov/community/office-buildings.html
  • https://aiha-assets.sfo2.digitaloceanspaces.com/AIHA/resources/Guidance-Documents/Reopening-Guidance-for-General-Office-Settings_GuidanceDocument.pdf
  • http://content.aia.org/sites/default/files/2020-05/ReOccupancyAssessmentTool-V01.pdf