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Doug Wall, CIE

Aspergillus Mold Growth

Naples Homebuyers / Aspergillus Mold Growth and their sales contract.

Aspergillus mold growth in a home should be a health concern to every Naples homebuyer.     People with asthma and/or are immune compromised should be especially concerned with a humidity bloom of aspergillus mold growth in the home they are purchasing.  Some local sales contracts seem to imply that mold growth of Aspergillus in a home is not important, even though the cleanup of the mold contamination may cost thousands of dollars. There seems to be a disconnect in Naples home sales, mold air sampling (testing) alone cannot/should not be used to determine if a home has a mold problem.  A visual inspection AND mold sampling is best, the source of the mold and extent must be established. Detailed recommendations for corrections or cleanup protocols should also be part of the mold inspection report.


Humidity Blooms are often Aspergillus molds 

No HVAC can cause elevated humidity
closet wall with mold growth
Extensive mold growth and elevated moisture content

plumbing leaks can be a source of high humidtiy
mold on ceiling
Mold growth and elevated moisture content

Please contact our office to schedule:
Radon Tests / Mold Assessments (inspections) & Sampling
Formaldehyde & VOC Tests / Allergen Screening

Radon & Mold Professionals
Toll free: (800) 881-3837
188 1st Street, Bonita springs, FL 34134 .... (239) 498-4619
188 1st Street, Bonita Springs, FL 34134 .... (239) 948-9717
radonandmoldprofessionals@gmail.com or radonandmoldprofessionals@comcast.net

Aspergillus and your Naples /Bonita Springs Mold Test

Your Naples mold test (sampling) indicates elevated levels of Aspergillus; should you be worried?

Mold Testing (air sampling) only is used to determine if a home need further investigation or the extent of a mold problem. Too many people believe and promote just mold air sampling as a mold inspection; it is not the same.  

A mold inspection must identify all areas of suspected mold and the sources.  Mold Air sampling alone does not accomplish this.

We hear Real Estate agents and sellers say "Aspergillus is everywhere and that's not a problem".  

It is amazing how many people without a back ground in mold assessment or no proven mold inspection experience become "experts" concerning mold growth in a home.  "Everyone has an opinion and most are not based on fact" Everyone reacts differently to each of the hundreds of thousands of identified different molds.  You do not want mold growth in a home.  

Having mold growing on furniture, walls, drapes etc. is a problem which can cost thousands to remediate even if it is Aspergillus.

mold growth on bed frame
Humidity mold growth on hardwood furniture

What is Aspergillus

"Aspergillus is a group of molds, of which about 200 species have been identified. Aspergillus molds are found throughout the world and are the most common type of fungi in the environment. About 16 species of Aspergillus molds are known to be dangerous to humans, causing disease and infection." 

What Types Of Mold Are Considered Toxic Mold

"There are five categories of toxic mold. They are Cladosporium, Penicilium, Fusarium, Aspergillus, and Stachybotrys."

Humidtiy Bloom are common

Homes where the indoor humidity levels are above 55% to 60%  due to poor HVAC maintenance or some sort of water intrusion are common.  When humidity levels are 55% or higher mold growth can occur.  Many Naples and Bonita Springs homes are vacant for several months a year and not monitored for moisture problems.  Mold can grow on furniture, drapes, walls, lamp shades, bedding, carpet most anywhere even in dust when humidity levels are high.   Aspergillus is one of the mold genuses we commonly see in a humidity bloom situation.  

Does  Apergillus  produce microtoxins? 

Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus. 

Mayo Clinic 

"Aspergillosis is a group of illnesses caused by a certain type of mold. These illnesses usually affect the respiratory system. The mold that triggers the illnesses, aspergillus, occurs widely indoors and outdoors. Most strains of this mold are harmless. But a few can cause serious illnesses when their spores are inhaled by people with a weakened immune system, underlying lung disease or asthma.

In some people, the spores trigger an allergic reaction. Other people develop mild to serious lung infections. The most serious form of aspergillosis - invasive aspergillosis - occurs when the infection spreads to blood vessels and beyond." 

These are some helpful links for Naples consumers that are concerned about the health effects of Aspergillus molds:


"There are several forms of aspergillosis:

  • Pulmonary aspergillosis is an allergic bronchopulmonary type that is an allergic reaction to the fungus. This infection usually develops in people who already have lung problems such as asthma or cystic fibrosis.
  • Aspergilloma is a growth (fungus ball) that develops in an area of past lung disease or lung scarring such as tuberculosis or lung abscess.
  • Pulmonary aspergillosis is an invasive type that is a serious infection with pneumonia that can spread to other parts of the body. This infection almost always occurs in people with a weakened immune system due to cancer, AIDS, leukemia, an organ transplant, chemotherapy, or other conditions or medications that lower the number or function of normal white blood cells or weaken the immune system."


"Aspergillosis is an infection, allergic reaction, or fungal growth caused by the Aspergillus fungus."


"Aspergillosis is the name of a group of conditions caused by a fungal mould called aspergillus.

It usually affects the respiratory system (windpipe, sinuses and lungs), but it can spread to anywhere in the body.

Depending on a number of factors, the symptoms of aspergillosis can vary in severity from mild wheezing to coughing up blood. Someone with a weakened immune system is at greater risk of being more severely affected."


Mold Disclosure


Should I Be Concerned?

Yes. If indoor mold is extensive, those in your home can be exposed to very high and persistent airborne mold spores. It is possible to become sensitized to these mold spores and develop allergies or other health concerns, even if one is not normally sensitive to mold. Left unchecked, mold growth can cause structural damage to your home as well as permanent damage to furnishings and carpet. According to the Centers for Disease Control, "It is not necessary, however, to determine what type of mold you may have. All molds should be treated the same with respect to potential health risks and removal."


Common sense dictates that a Naples homebuyer or seller should hire the most qualified licensed mold assessor when buying or selling a home.  No one has more proven experience than local  ACAC Certified Indoor Environmentalists (CIE or CIEC) or  AIHA Certified Industrial Hygienists .  Remember most Florida licensed mold assessors were "grandfathered" into the license.  There about 300 licensed mold assessors in Collier & Lee Counties but less than 2 dozen that have met the rigid requirements of the ACAC or AIHA certifications.


Cleveland Clinic

Who gets aspergillosis?

"Exposure to Aspergillus is not likely to cause problems in people whose immune systems are healthy. However, people with chronic lung problems or people with weak immune systems may be at greater risk for developing the infection. People with weakened immune systems include those people taking chemotherapy or those who have had organ transplants."

How common is aspergillosis?

"It is estimated that up to 10% of people with cystic fibrosis or asthma experience an allergic reaction to aspergillus. ABPA is more frequent in young adults than in children." 

Does your Naples homebuyer contract have this item in it? 


........ (5) the presence of toxic or pathogenic molds within the interior of the dwelling(s) exceeding the levels of such molds measured upon the exterior of the dwelling. Penicillum aspergillus and other allergenic molds shall not be deemed toxic or pathogenic molds for purposes of this contract, and/or 

Homebuyers should UNDERSTAND the contract they sign. (or hire legal counsel to assist them) 

Some questions to consider if you are having a mold inspection for a home purchase. 

  •  Can people believe Real Estate agents are looking out for a homebuyers best interests when Aspergillus mold growth is not considered a "problem"?
  • Who decides that a "humidity bloom" of mold in a home, often Aspergillus/Penicillum, that can cost thousands of dollars to remediate or cleanup is not a home repair or reason not to buy a home?
  • If a home buyer has Aspergillosis, can they be forced to buy a home that has been identified as having Aspergillus mold growth in it?
  • Who decided which molds are allergenic or toxic or pathogenic?
  • Who should Naples homebuyers trust? http://blackmold.awardspace.com/aspergillus.html " About 16 species of Aspergillus molds are known to be dangerous to humans, causing disease and infection."



What is Aflatoxin

"Aflatoxin is a type of mycotoxin produced by Aspergillus molds. Aflatoxin is probably the most well known mycotoxin, besides trichothecene, and the most researched. This is because aflatoxins are very toxic and highly carcinogenic." 


What causes Aspergillosis? 

"Aspergillosis is infection, usually of the lungs, caused by the fungus Aspergillus." 

Homebuyers in Naples should understand that you do not want ANY mold growth in your home. If there is mold growth there has to be a reason for it (source). Mold cleanup or remediation is just another home repair if the problem is identified and documented properly.  All mold inspectors are not equal, no one seems to understand that. There are about 300 licensed mold assessors in Collier and Lee Counties but less than two dozen are Certified Indoor Environmentalists or Certified Industrial Hygienists who can easily write protocols for cleanup.

Our Experienced professionals have served Naples, Bonita Springs, Ft Myers, Cape Coral and all of Southwest Florida since 1999.  ALL of our Mold Assessors are Certified Indoor Environmentalists (CIE).

State of Florida Licensed Mold Assessor MRS #5

John Cosgrove, CIE  has proven his ability to solve Naples homeowners and businesses mold concerns by identifying the problem and then the  source of the mold contamination. His detailed reports with recommendations for corrections not only benefit the homeowner but the remediation company. Remediators know what to cleanup with his mold reports.

Florida DOH Certified Radon Measurement
FL DOH Certified R1867

 Greg Gomez, CIE
Greg’s knowledge of the national standards for mold cleanup “S520” and his 9 years of experience as a Naples indoor air quality professional allow him to write detailed recommendations for any mold cleanup.  Any mold remediation should follow accepted industry standards to protect the consumer.

Naples / Bonita Springs:(239) 498-4619
Cape Coral / Ft Myers: (239) 948-9717

Please contact our office to schedule:
Radon Tests / Mold Assessments (inspections) & Sampling
Formaldehyde & VOC Tests / Allergen Screening

Radon & Mold Professionals Toll free: (800) 881-3837
188 1st Street, Bonita springs, FL 34134 .... (239) 498-4619
188 1st Street, Bonita Springs, FL 34134 .... (239) 948-9717

radonandmoldprofessionals@gmail.com or radonandmoldprofessionals@comcast.net

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