Airport Business - 17

SAFETY
touching those surfaces and then
touching their eyes, face or mouth. As
such, cleaning and sanitation were an
intense early focus of health and safety.
As time has progressed and experts
have learned more about the SARSCoV-2 virus and how it appears to
be transmitted, the inhalation of
contaminated droplets and/or aerosols
are thought to be the most prevalent
method of infection. Although experts
now suggest that transmission from
contaminated surfaces is not the primary
method this virus is spread, cleaning and
sanitation remain important today.
The CDC advised increased cleaning
and enhanced sanitation procedures
for high touch surfaces and common
areas. People were very concerned
about the potential transmission risk
from surfaces so much so that cleaning
products were in short supply and high
demand in the early months. High
touch surfaces and increased cleaning
and sanitation have been implemented
nearly everywhere to mitigate the
risk of contaminated surfaces possibly
causing infection from transfer from a
contaminated surface by touching with
one's hands and transmission through
the eyes, nose or mouth. Enhanced
cleaning and sanitation protocols have
been developed and implemented
across nearly all industries and in most
facilities as the pandemic has progressed.
The critical components of COVID-19
cleaning and sanitation protocols are to:
* Follow the CDC recommended
guidelines or better.
* Track and utilize the EPA list of
cleaning products ensuring the
appropriate dwell or wet time for each
chemical/product used.
* Provide PPE and train employees on
proper use.
* Place appropriate signage in key
locations to both meet recommended
and required guidance, inform
stakeholders and assure the public
regarding actions, activities and health
requirements.
* Implement a robust training program.
* Document everything well - the
program, the chemicals used and all
training.
* Consider third party verification of
your program and its implementation.
* Communicate to assure the public

and stakeholders of actions to ensure
Recent information has suggested
clean and sanitized spaces. If you have
that infection might also occur
obtained third party verification, from multiple short exposures to
communicate that as well.
concentrations of the virus, such as, if a
Social distancing requirements
worker is exposed to multiple infectious
including signage and markings on the
individuals each for a short duration,
floor to remind people to keep at least
that worker could become infected.
six feet of distance are important in areas
The infectious dose of SARS-CoV-2
where people queue for a line, escalators
is currently unknown, although various
or congregate such as check in counters, studies have attempted to estimate it.
checkpoints, and baggage claim areas.
In addition to social distancing, PPE,
sanitization of surfaces and plexiglass
Plexiglass is a recommended physical
barriers, facilities are improving their
barrier where social distancing is not
possible, and is an OSHA recommended
ventilation systems, adding portable
engineered solution for those situations. H EPA units near workstations,
Plexiglass and masks work together to
retrofitting existing building systems
provide protection from transmission
with enhanced filtration and other
by droplets from infected persons. The
technologies to treat the air and reduce
placement and use of plexiglass barriers
the risk of illness spread.
should take into account the workers
The Department of Defense
tasks as well as the ventilation and flow
conducted aerosol mobility tests inside
of air in the space. Plexiglass can stop
Boeing aircraft in August to assess the
droplets from the breath, cough, laugh
distribution of viral particles from an
or sneeze from an infected person, infected person inside an aircraft. The
however, plexiglass is not a barrier for
study used a DNA particle tracing
aerosol transmission.
technology together with f luorescent
Droplets are small saliva particles
particles as a means to replicate viral
of varying sizes which can fall to the
particle movement through the
ground relatively quickly and are
aircraft and measure concentrations
thought to travel within a close range of
of potential viral load. The report
the individual. Aerosols, as described by
indicated the following f indings:
CDC are infinitesimal and can travel on " Rapid dilution, mixing and purging
air currents potentially for hours. Both
of aerosol from the index source
droplets and aerosols carrying SARS- was observed due to both airframes'
CoV-2 can be emitted from an infected
high air exchange rates, downward
person during normal activities such as
ventilation design and HEPA-filtered
speaking, coughing, sneezing, laughing. recirculation. Contamination of surfaces
Both droplets and aerosols are believed
from aerosol sources was minimal. "
to cause airborne transmission of the
(USTRANSCOM)
virus.
The DOD study was able to
As health experts have learned more, replicate viral particle movement to
there has been an increased focus on
assess the aerosol movement during
airborne transmission either through
airf light. Using particle diagnostic
close contact with an infected person
tools is a meaningful way to provide
data to assess conditions and mitigation
or through aerosol transmission by
measures. While the DOD study has
those very small particles that behave
like a gas and remain airborne. Experts
recently added a revision to address
currently indicate that exposure time
potential misinterpretations of the
and concentration of the virus particles
data, including the fact that people on
are key to becoming sick with COVID- a plane would be moving which would
19. In other words, a person would
impact air f low in ways the study did
need to be exposed to enough of the
not include, the fact remains that the
use of aerosol viral particle movement
virus over a long enough time frame
to become ill. Infection requires both
diagnostic tools to provide quantifiable
time and concentration, although some
data has tremendous value.
individuals may be more susceptible to
Read more at www.
becoming ill than others with a lower AviationPros.com/21162769
dose of viral load.

DECEMBER 2020 \ AVIATIONPROS.COM / 17


http://www.AviationPros.com/21162769 http://www.AVIATIONPROS.COM

Airport Business

Table of Contents for the Digital Edition of Airport Business

Inside the Fence: Once in a Lifetime
Industry Update
Hindsight is 20/20
Remote Airport Deploys Open Platform Video to Monitor Facilities, Secure Operations, Connect wth Clients
Airport Guru: General Aviation Airports: A National Asset
Mitigating Public Safety Risks – Let's Fly Again!
Contact Tracing and COVID-19 Technology Best Practices
Cover Story: Less Touch, More Travel
Taking to the Sky in 2021
Are We Over Disinfecting Airports?
Airport Security in the Age of COVID
The New Norms of Aviation Catering
Safe and Secure Travel in the Age of COVID
Legal Matters: Single FBO Airports: Is There an Impermissible Exclusive Right? What Can You Do About It?
Product Profile: A Customizable Fueling Experience
Airport Business - 1
Airport Business - 2
Airport Business - 3
Airport Business - 4
Airport Business - Inside the Fence: Once in a Lifetime
Airport Business - Industry Update
Airport Business - 7
Airport Business - 8
Airport Business - 9
Airport Business - Hindsight is 20/20
Airport Business - 11
Airport Business - Remote Airport Deploys Open Platform Video to Monitor Facilities, Secure Operations, Connect wth Clients
Airport Business - 13
Airport Business - Airport Guru: General Aviation Airports: A National Asset
Airport Business - 15
Airport Business - Mitigating Public Safety Risks – Let's Fly Again!
Airport Business - 17
Airport Business - Contact Tracing and COVID-19 Technology Best Practices
Airport Business - 19
Airport Business - Cover Story: Less Touch, More Travel
Airport Business - 21
Airport Business - 22
Airport Business - 23
Airport Business - 24
Airport Business - Taking to the Sky in 2021
Airport Business - Are We Over Disinfecting Airports?
Airport Business - 27
Airport Business - Airport Security in the Age of COVID
Airport Business - 29
Airport Business - The New Norms of Aviation Catering
Airport Business - 31
Airport Business - 32
Airport Business - 33
Airport Business - Safe and Secure Travel in the Age of COVID
Airport Business - 35
Airport Business - 36
Airport Business - 37
Airport Business - Legal Matters: Single FBO Airports: Is There an Impermissible Exclusive Right? What Can You Do About It?
Airport Business - 39
Airport Business - Product Profile: A Customizable Fueling Experience
Airport Business - 41
Airport Business - 42
Airport Business - 43
Airport Business - 44
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