Frequently Asked Questions

What is mold sampling?

Mold sampling involves collecting samples from various surfaces and air in an indoor environment to assess the presence and concentration of mold spores.

Why is mold sampling conducted?

Mold sampling helps identify the types and levels of mold present in a space, aiding in assessing the extent of contamination and guiding appropriate remediation efforts.

What are the methods of mold sampling?

There are different methods, including air sampling (collecting airborne spores), surface sampling (swabbing or tape-lifting from surfaces), and bulk sampling (collecting pieces of materials with visible mold growth).

When should mold sampling be done?

Mold sampling is typically done when there’s visible mold growth, a musty odor, or occupants experience health issues potentially related to mold exposure. It’s also conducted after mold remediation to verify effectiveness.

Can I perform mold sampling myself?

While DIY mold test kits are available, professional mold inspectors are recommended for accurate and reliable results. They have the expertise to interpret findings and recommend appropriate actions.

What do mold samples reveal?

Mold samples can reveal the types of mold present, their concentration, and potentially help identify the source of the moisture issue causing mold growth.

Is indoor air quality testing the same as mold sampling?

Indoor air quality testing is broader and can include assessments for various pollutants, while mold sampling specifically targets mold spores present in the air or on surfaces.

What factors can influence mold sampling results?

Factors include the sampling method used, the location of samples, the time of sampling, and the environmental conditions (humidity, airflow) during sampling.

Should mold sampling be the only step in assessing mold issues?

No, mold sampling is just one component. A comprehensive assessment includes visual inspection, moisture source identification, assessing occupant complaints, and considering the building’s history to form a complete picture.

What is mold?

Mold is a type of fungus that grows in multicellular structures called hyphae. It reproduces by creating spores, which are tiny, lightweight particles that can be carried through the air.

Why is mold a concern?

Mold can release spores and mycotoxins that, when inhaled or come into contact with skin, can cause health issues such as allergies, respiratory problems, and irritation.

Where does mold commonly grow?

Mold thrives in damp and humid environments. Common areas for mold growth include bathrooms, basements, attics, and places with water leaks or poor ventilation.

How does mold affect indoor air quality?

Mold spores can become airborne and contribute to poor indoor air quality. Inhaling these spores can lead to various health problems, especially for individuals with allergies or respiratory conditions.

How can mold growth be prevented?

Preventing mold involves controlling moisture levels. This includes promptly fixing leaks, improving ventilation, using dehumidifiers, and ensuring proper insulation.

What is black mold, and is it more dangerous than other molds?

“Black mold” usually refers to Stachybotrys chartarum. While it can produce mycotoxins, all molds have the potential to cause health issues. The focus should be on preventing and addressing mold growth, regardless of the species.

How is mold removed?

Mold removal involves identifying and fixing the moisture source, isolating the contaminated area, using appropriate personal protective equipment, and physically removing the mold through cleaning and sometimes removing affected materials.

Is mold inspection necessary before buying a home?

A mold inspection can be important, especially if there are signs of water damage or mold growth. It can help identify potential problems and guide necessary remediation efforts.

Are there regulations or standards for mold remediation?

While there are guidelines for mold remediation, such as those provided by the Environmental Protection Agency (EPA)  the Institute of Inspection, Cleaning and Restoration Certification (IICRC), and NORMI™ there are no federal standards for mold levels in indoor environments.

Can mold affect commercial properties as well?

es, mold can grow in commercial properties, potentially affecting employee health and the structural integrity of the building. Regular inspections, maintenance, and addressing water issues promptly are crucial for preventing mold growth.

Why is IAQ important in commercial spaces?

Good IAQ in commercial spaces is essential for employee health, well-being, and productivity. It can also impact the reputation of a business and compliance with regulations.

How does outdoor air quality affect indoor air quality?

Outdoor pollutants can enter buildings through ventilation systems or openings. Poor outdoor air quality, especially in urban areas or near industrial sites, can significantly impact indoor air quality.

What role do HVAC systems play in IAQ?

HVAC systems control temperature, humidity, and ventilation. Properly designed and maintained systems can help improve IAQ by circulating and filtering the air, reducing pollutants and maintaining comfortable conditions.

Can IAQ be regulated by standards?

Yes, various organizations, such as the Environmental Protection Agency (EPA) and the American Society of Heating, Refrigerating and Air Conditioning Engineers (ASHRAE), provide guidelines and standards for acceptable IAQ levels.

What are some strategies to improve IAQ?

Strategies include regular HVAC maintenance, proper ventilation, controlling humidity levels, using air purifiers, eliminating or reducing indoor pollution sources, and ensuring proper building design to minimize pollutants.

How is IAQ assessed?

IAQ assessment involves testing for pollutants, measuring temperature and humidity, evaluating ventilation systems, and conducting occupant surveys. Techniques such as air sampling, surface sampling, and sensor monitoring are used.

What are some signs of poor indoor air quality?

Signs of poor IAQ include persistent odors, mold growth, excessive humidity, visible dust or particulates, frequent allergic reactions, and discomfort among occupants.

How can poor IAQ affect health?

Poor IAQ can lead to various health issues, including allergies, asthma, respiratory infections, headaches, fatigue, and even long-term complications. It can be especially problematic for individuals with pre-existing respiratory conditions.

What are some common indoor air pollutants?

Common indoor air pollutants include volatile organic compounds (VOCs), mold spores, pollen, dust mites, pet dander, tobacco smoke, radon, and various chemicals from cleaning products and furnishings.

What is Indoor Air Quality (IAQ)?

IAQ refers to the quality of air within buildings and structures, especially concerning the health and comfort of occupants. It encompasses factors like air pollutants, temperature, humidity, and ventilation.

How to locate a NORMI™ Professional

The NORMIPro Locator will allow you to search for a NORMIPro by Zip code, State, Certification, Company Name, and More.  To locate a NORMIPro, please visit .

NORMI™ Accreditation

NORMI™ Accreditation (Reciprocity/Grandfather)
If you are currently working in the mold industry and certified by a nationally recognized organization or State licensed (in a State that requires licensing for mold professionals), NORMI™ may reciprocate and make you a certified member as either a CMA (NORMI™ Certified Mold Assessor), CMR (NORMI™ Certified Mold Remediator) or CMW (NORMI™ Certified Mold Worker) based on information you provide through this application process.
The process is easy and once reviewed by our Compliance Division, you will be designated by the NORMI™ Board of Directors as an interim member and listed on our website for the world to see. You may begin immediately marketing yourself as a certified ACTIVE NORMI™ Member, will be assigned a NORMI™ ID number and given the opportunity to take advantage of all the ACTIVE Member benefits available (see Join.NORMI™.org for benefit details).

Because NORMI™ has a unique solution-based, wholistic approach IAQ/Mold issues and their resolution, it is recommended that you take a NORMI™ approved class on IAQ/Mold Inspection, Assessment, or Remediation as soon as possible (classes available at Accreditation requires your taking a FREE online training segment on NORMI™ Professional Practices (our insurable best practices document) which is available to you through the ACTIVE Member back office once you have activated your membership.

The accreditation program benefits you in the following ways:

  1. Full access to all FREE ACTIVE Member benefits.
  2. Up-to-date trainings in the latest technologies through LIVE ONLINE Continuing Education, available for FREE every week,
  3. Some trainings on Tuesday evenings qualify for FREE CEUs for the State of Florida licensing requirement as well as meeting the continuing education requirements for other affiliated or recognized organizations
  4. The ability to market yourself for FREE through the www.NORMI™ website including a website program personally tailored to your company and,
  5. FREE support system unsurpassed in the industry including LIVE Help, a toll free Support Line, and eMail support.

To become accredited, you will do the following:

  1. Complete the application for whichever specific NORMI™ Certification your wish,
  2. Active your membership at Join.NORMI™.org (can be incorporated in the application process as shown on application),
  3. eMail or FAX application with appropriate documentation.

NOTE: Fees for accreditation are processed AFTER you have been accredited which process takes approximately five (5) business days from receipt of your completed paperwork and documentation. Once accredited you may download the NORMI™ Logo Package from the member section and begin marketing your business as NORMI™ Certified. Congratulations on this savvy business decision.

Download CMA Application

Download CMR Application

Download CMW Application
Does NORMI require continuing education for re-certification?

Yes, NORMI requires 7 hours of continuing education each year (By August 31st) and offers 48 opportunities a year to gain one (1) hours of CEU through FREE online training to its ACTIVE Members. See for details

Are NORMI Members listed with their certifications when the state they work in requires licensing?
In an effort to avoid recommending unlicensed contractors as licensed, ACTIVE NORMI members listed at will have their certifications listed ONLY if they have also met state licensing requirements. If they have not met those requirements, their certifications will be hidden from view until such time as they meet the requirements.
What is the certification process for licensing states versus non-licensing states?
The NORMI Board of Directors has established general guidelines for certification in both licensing and non-licensing states. The NORMI Certification Process does not address specifically each certification individually but does identify general requirements based on licensing and non-licensing states.
How involved are you in legislative affairs?
NORMI has a Director of Legislative Affairs who maintains a working relationship with legislators who are interested in amending existing or introducing new legislation to license the mold industry.
Do you sell products?
NORMI is “product neutral” but provides access to it membership to screening lab products, testing equipment, and other services that help the member more completely do his job.
Do you offer reciprocity with other organizations?
In some cases we do allow reciprocity. Those organization that evidence credibility in the marketplace are recognized by NORMI and their members may apply for Accreditation through this website in an effort to obtain the NORMI certifications and member benefits.
How do I become a member of NORMI?
Membership comes automatically when you enroll in one of our classes listed at Best Training School. You are assigned a unique NORMI ID number and that number can be used to activate your membership and receive all the benefits of NORMI membership.