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Due to the ramifications
dirty building ducts can have on air quality, employee
occupational health and safety, operational efficiency
and fire prevention, it is increasingly common for
legislation to be passed in Parliament to endorse
annual duct cleaning compliance.
"Sick Building
Syndrome" is a phenomenon that begins when
bacteria and fungi get out of control and infest the
air conditioning. Because building owners are liable
for maintaining the hygienic condition of the internal
environment, it is in their interests to adhere to
a regular duct cleaning routine as a proactive measure,
to guard against illness for building occupants.
Whilst filters
play an important role in preventing an influx of
micro-organisms into the ducts, fungal spores which
are trapped on the fibrous surface may still penetrate
the system and then be dispersed via the air current
from the ducts. Equally, contamination can stem from
internal sources, with microbes being sucked by the
return air into the air-handling unit.
Moreover,
companies that have had asbestos removed from the
building frequently neglect their air handling systems
which have trapped mico-fibres that once breathed
in, can induce lung cancer..
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