Mold
What can influence mold growth?
Relative humidity, airtight structures, and incorrectly cleaned areas where mold has already infested.
black mold
a common name usually associated with statchybotrys chartroom
hygrometer
a device used to measure relative humidity
what is mildew?
a fungus causing discoloration of an underlying, porous material
mold
a group of organisms that belong to the kingdom of fungi
fungi
a kingdom that is neither plant nor animal, includes mold and yeast
significantlly high
a level of old growth that is 10 times higher in a suspect area compared to a non-suspect area, based on the indoor environmental standards organization (so) standards for air sampling.
mold inspector
a person who conducts mold inspections
stachybotrys
a species of mold that inhabits materials rich in cellulose, needs constant moisture to grow, and is capable of producing mycotoxins
allergen
a substance that elicits an IgE antibody response and is responsible for allergic reactions
substrate
a surface on which an organism grows or is attached
grout
a thin mortar used to fill cracks and crevices in masonry
microbe
a very tiny form of life-microbes include bacteria, fungi, and protozoan parasites-best visualized under a microscope
mold inspection report
a written evaluation prepared and issued by a residential mold inspector upon completion of a mold inspection
what is the primary purpose of mold?
acting as natures decomposers by breaking down dead matter.
toxigenic fungi
fungi that can produce mycotoxin
infestation
inhabited or overrun in numbers large enough to be harmful, threatening, or obnoxious.
microbial growth
the organic material found during an inspection that is thought to be mold or fungus and may require laboratory analysis
Mold remediator
the person responsible for removing mold from contaminated areas
mycelium
the vegetative part of fungus
remediate
to fix the problem. this includes fixing moisture problems, and the cleaning and replacements of damaged materials
Mold can be one cause of sick building syndrome
true
Mold can grow virtually anywhere.
true
fungus will grow into wood
true
stachybotrys mold is a toxic type of mold
true
3 main risks of mold
1: excessive wood damage 2: possible allergen source 3: some can release my cottons
HEPA Filter
High Efficiency Particulate Air: a filter that removes more than 99.7% of particles 0.3 microns or larger, which often includes harmful bacteria and other microbial particles from the air.
MVOC
Microbial Volatile Organic Compounds: chemicals produces by fungus as a result of their metabolism
mold remediator
a person who is responsible for removing mold from contaminated environments
conidiophores
a specialized fungul hypha that produces conidia
dry rot
an event that could cause severed damage to a home due to moisture being transferred by vine-like branches called rhizomorphs
mold inspection
an official examination of property to determine the degree of severity of mold levels inside the home
hyphae
any of the thread like filaments forming the mycelium of a fungus
microbiology
branch of biology that deals with microorganisms and their effects on other living organisms
biocide/fungicide
chemicals that limit the growth of or kill. microorganisms such as fungi.
salt is the best natural enemy of mold
false: borate is the best natural enemy of mold
It is necessary to identify the type of mold present
false: it is not necessary
mold is easy to get rid of
false: mold can be difficult to get rid of
mold can easily be identified by sight alone.
false: mold cannot be identified by sight alone
mold can be allowed to grow with no ill effects
false: mold should not be allowed to grow, as it can lead to various health problems
if toxic mold is found, anyone can remove it
false: only trained professionals should remove toxic mold
what are spores?
microscopic cells that are the molds way of forcing new colonies
fruiting bodies
mushroom-like growths on rotten wood, on the underside of flooring, or on a cabinet
toxic mold
not a scientific term. technically, only the by products of molds have the potential to be toxic
rhizomorphs
root like structures that are characteristics of many fungi.
bulk sample
samples of the material affected by microbial growth submitted to a lab for analysis, this may include a piece of fabric, a section of carpet or building material.
allergic symptoms
signs of an allergic reaction to mold
bacteria
single-celled organisms that lack chlorophyll and reproduce by fission
tape lift
tape lift sampling is used to gather visible mold present on a surface for lab analysis. it is dine using a few inches of clear tape lightly adhered to the affects surface. the tape is then carefully peeled off and placed into a plastic bag, tape lift samples can be collected from walls, furniture, or any other surface where mold is present.
colonization
the act or process of forming a colon or colonies
humidity
the amount of water vapor present in the air
air sampling
the collection of air borns microbial contaminants
air sampling
the collection of air borns microbial contaminants that may impact product spoilage, product safety and human health
condensation
the collection of moisture due to differences in temperature
mycotoxin
the compounds produced by some fungi that are toxic to humans and animals
who are more vulnerable to mold spores?
the elderly, children, people with respiratory problems or compromised immune systems.
spore
the general term for a reproductive structure in fungi, bacteria, and some plants
tobacco smoke may be toxic to mold and mold spores
true
hidden mold
visible mold growth that is not easily seen
what does mold need in order to grow?
water, food and the right temperature