Types of Mold
Species
There are thousands of types of toxic mold and household mold
species, but they share one common danger to humans: any
type of mold species in elevated levels indoors can cause severe health
problems for residential occupants or workplace employees
and customers anywhere in the USA, Canada, Mexico, the Caribbean, Mexico,
Central America, South America, Asia, Australia,
New Zealand, Africa, the Middle East, and Europe.
To know the precise types of mold that may
infested your home, apartment, condominium, office, or workplace, you
would
need to collect a sample of the each type of mold growth (mold
test) and have the sample analyzed by a mold analysis laboratory
for mold species
identification.
View microscopic pictures of the most
common types of mold that are health-wise especially dangerous in elevated
levels
indoors in the mold species section of Mold.
Regardless of the types of mold inhabiting
your house or other building, the
mold
removal and
remediation
process is the same,
whether you clean up the mold problem yourself or your hire a
Certified
Mold Remediator.
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What type of mold is this? This is Aspergillus mold growing on the ceiling of a crawl space beneath a home. Aspergillus is a known cancer causative and it is considered the second most dangerous indoor mold because of the many health problems this toxic mold can cause.
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Stachybotrys toxic black mold picture.
When active and growing
in a wet
environment,
the mold can look black,
shiny,
and slimy. Courtesy of Case-
Western Reserve Univ. |
Photo of a large mold mushroom
growing on a window in a rental flat in
England. |
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Dampness
and Inadequate Ventilation are Two Causes
of Microbial Pollution
From the World
Health Organization in its report WHO Guidelines for
Indoor Air Quality: Dampness and
Mould, published July 16, 2009
The presence of many
biological agents
in indoor environments is attributable
to dampness and inadequate ventilation.
Excess moisture on almost all indoor materials leads to growth of
microbes, such as mould, fungi and bacteria, which
subsequently emit spores, cells,
fragments and
volatile organic compounds into indoor air. Moreover,
dampness initiates chemical or biological degradation of
materials, which also pollute indoor
air. Dampness has therefore been suggested to be strong, consistent
indicator of risk of asthma and respiratory symptoms
(e.g. cough and wheeze). The health
risks of biological contaminants of indoor
air could thus be addressed by
considering dampness as the risk indicator.Several widely acknowledged
global trends contribute to the conditions associated
with increased exposure to dampness and
mould:
►energy
conservation measures
that are not properly implemented (tightened
building envelopes, ventilation
deficits, improper insulation);
►urbanization (migration, building type
and density, urban degradation, housing
availability and
social inequity);
►climate
change (increasing
frequency of
extreme weather conditions, shifting
of
climate zones); and
►the quality and globalization of
building materials
and components, construction
concepts and techniques.
These conditions increase the risks of
adverse health effects due to biologicalcontaminants of indoor air.
Airborne
Mold Spores (colony-forming units)
The airborne concentrations of viable fungi in indoor environments
are usually in the order of a few to several thousand colony-forming units
(CFUs) per cubic metre
of air. In a given space, concentrations of fungi are highly variable and
depend on such factors as: climate and season, type of fungus,
construction, age and use of the building, and ventilation rate. They also
depend largely on the sampling and analytical methods used, making valid
comparisons between studies difficult. ------from the
World
Health Organization in its report WHO Guidelines for
Indoor Air Quality:
Dampness
and Mould, published July 16, 2009
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You can also email pictures of your mold problems in
jpeg file format as email attachments.
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