Traditional Mold Assessment Features:

Our mold assessment (sometimes referred to as a mold survey) of homes and commercial buildings is performed in adherence to standard methodology, practice, and protocol of the Certified Mold Inspectors & Contractors Institute and the * EAA. The assessment encompasses a wide range of data sources, giving you the most accurate conclusions possible.

Please bear in mind that in addition to or instead of this type of assessment, we can also do a real-time assessment with our state of the art instrumententation.


To protect your property from accidental contamination, our field technicians put on new full shoe coverings (booties) before entering your premises. You will notice the safety suits and respirators they utilize.

Visual Inspection

As mold cannot live without moisture, sources of moisture are one focal point of our investigation. During the thorough visual inspection of your structure ( including the attic, crawl spaces and basement) we examine:
  • Heating, ventilating and air conditioning systems
  • Moisture content of floors, walls and ceilings--even beneath surfaces (non-invasive)
  • Humidity of the indoor air
  • All water-damaged areas

Also available:

  • Examination of moisture barriers for proper installation and condensation occurrence, via a fiber optics scope and existing wall openings (whenever possible)
  • Discovery of the point of water intrusion in water-damaged areas
  • Definitive report of adjacent and contiguous property contamination sources
  • Assessment of property damage

Specimen Collection

Your field representative's training ensures that throughout this portion of the inspection, there is consistency in collection protocol, minimizing the possibility of sample contamination. Specialized equipment allows us to collect specimens from indoor air, wall interior air, suspect surfaces, carpeting, small pieces of contaminated material, water from condensate drain pans or cooling towers, etc...

Indoor Air

These samples determine airborne mold spore counts. Proximate outdoor air is also tested for the control sample. For reliable results, equipment used includes a controlled volume air pump, which draws air through Air-O-Cell™ cassettes. In special cases where the species of mold needs to be identified, a collection plate with a growth medium is placed in a viable impactor (microbial particle sampler), in which one hour of spore settling time is replicated in five minutes.

Wall Interior Air

Moisture meter readings of an elevated moisture content of the wall material make it a candidate for this type of testing, especially when it is drywall; the paper covering is vulnerable to consumption from mold growth. Samples are collected using the WallChek® system, providing an adapter for an Air-O-Cell™ cassette, and utilizing a small ¼ inch tubing, which is inserted into the wall. Air sampling pumps set at 15 liters per minute (lpm) draw air from the wall cavity for, normally, two minutes, for a total of 30 liters.

Suspect Surfaces

Here we use a swab or tape.


Carpet samples are collected with a system called DustChek™, developed as a sampling and analysis technology for the enumeration and identification of both total and viable fungal spores in dust. The system involves sweeping carpeting with a vacuum that has a DustChek™ assembly attached. The collected dust can be analyzed for total and viable fungal spores, as well as allergens. After the collection is complete, the DustChek™ receptacle is securely capped to prevent external contamination.

Small Pieces of Contaminated Material

Sometimes it is necessary to remove a small portion of the material affected (e.g., wall board, insulation, etc.). These are collected without marring appearances, whenever possible.

Water From Condensate Drain Pans or Cooling Towers

This can be an indicator of contamination at the water source.

Specimen Destination

After the collection procedure is complete, we confer with you concerning which samples should be microscopically examined by a certified laboratory, allowing us to determine the genus of the mold sampled. This is necessary because unmagnified appearances may not be reliable indicators. While certain colors may suggest the presence of a toxic mold (for example, the purple and green sheen sometimes associated with Stachybotrys sp.), varieties may not always exhibit the same colors. Black mold, white mold, green mold, etc., all require scrutiny along with scientific methodology to ascertain if the sampled mold is a genus known to produce mycotoxins. This procedure can possibly be expedited. Ask about real time testing.

You pay an analysis fee only for the samples sent to the laboratory. There is no charge for those not sent. Those not sent will be placed in a special culturing area. Their mold growth progress will be observed, and documented.

For those samples chosen for the laboratory, a "chain of custody" form is completed by our field representative and the specimens media is carefully packaged and sent. Three days after the laboratory receives the samples, their microscopy technician will send Toxic Consulting a written report, which is immediately forwarded to you.

Laboratory Results

The specimens analysis report (an example can be seen here) is interpreted for you, following industry-standard analytical methods. The report includes quantitative findings for each of the following fungal spore varieties. :

  • Alternaria
  • amerospores
  • Arthrinium
  • ascospores
  • Aspergillus/Penicillium-like
  • Aureobasidium
  • basidiospores
  • Bipolaris/Dreschlera
  • Botrytis
  • Chaetomium
  • Cladosporium
  • conidia, unidentified
  • Curvularia
  • Epicoccum
  • Fusarium
  • Memnoniella
  • Nigrospora
  • Oidium/Peronospora
  • Pithomyces/Ulocladium
  • Rusts
  • smuts/Myxomycetes/Periconia
  • Stachybotrys
  • Stemphylium
  • Torula

Mold Inspection Report

(Not available in all areas.) You also receive the added benefit of a unique written compilation of all procedures and findings. Investigative methods, laboratory results, and your field representative's recommendations are documented in a comprehensive report averaging eighteen pages in length. Sample TOC


  • Ooccupants discover if they are being exposed to toxic mold
  • Property owners protect their investment
  • Doctors find assistance with their diagnosis
  • Lawyers can provide documentation of professional assessment and lab tested results, including chain of custody.
  • Real estate brokers can present mold-neutral properties (waivers may be insufficient litigation protection)
  • Employers increase productivity

* Environmental Assessment Association