Mold and mycotoxin testing in Portland, OR
At Mold Testing Services of Oregon, we use laboratory-grade equipment and partner with accredited labs to deliver accurate, objective results for homes and businesses throughout the Portland Metro area and Southwest Washington.
Mold testing services tailored to your needs
The sampling methods we employ include:
At Mold Testing Services of Oregon, we combine years of hands-on experience with cutting-edge tools — including thermal imaging and moisture detection — to uncover mold and moisture issues that aren't always visible to the naked eye. Every sample is processed by an accredited laboratory, so you can trust that your results are scientifically sound and completely objective.
Using laboratory-grade equipment, we measure the types and concentrations of airborne mold spores within the target area. For accurate comparison, we also collect at least one outdoor sample. Wall cavity sampling available upon request. Sample Air Report
Using laboratory-grade tools, we collect samples from various surfaces to confirm mold growth, assess spore activity, and identify mold types present on the area of concern. Both qualitative and quantitative analyses are available. Sample Surface Report
The Environmental Relative Moldiness Index (ERMI) test uses a dust sample, collected using a DustCheck or Swiffer method. The lab analyzes the sample with quantitative PCR to detect and quantify 36 specific mold species, generating a score based on water damage-related molds vs. common indoor molds. Sample ERMI Report
The Environmental Mold and Mycotoxin Assessment (EMMA) is a highly sensitive test developed by RealTime Laboratories. Unlike standard mold tests, EMMA detects the presence of 12 toxigenic molds and 16 mycotoxins — making it the most comprehensive option for clients with serious health concerns or suspected toxic mold exposure.. Sample EMMA Report
Not sure which test is right for you?
Air sampling measures the types and concentrations of airborne mold spores at a specific moment in time. ERMI testing analyzes a dust sample to assess the cumulative mold history of a space, making it useful for evaluating long-term exposure. Garrett will recommend the most appropriate test based on your specific situation.
EMMA testing is recommended when there are serious health concerns, suspected toxic mold exposure, or when a standard mold test has already confirmed a problem and you need to understand the full extent of mycotoxin presence. It is the most comprehensive option available.
Yes. Every inspection begins with a consultation — Garrett will discuss your concerns, review the history of the property, and recommend a testing approach tailored to your specific situation. There is no one-size-fits-all protocol.
Yes. MTSO provides mold and mycotoxin testing services in Southwest Washington, including Vancouver, WA, in addition to the greater Portland Metro area.
We do not accept samples for analysis, as we focus on conducting on-site inspections and tests.
No, we charge for our mold testing services to ensure impartiality and objectivity in our results.
No. MTSO specializes exclusively in mold inspection and testing and does not perform remediation. This ensures our findings are always objective and free from any conflict of interest.
Yes. Garrett Dayfield holds certification from MICRO (Mold Inspection Consulting and Remediation Organization) and is recognized by the City of Portland. MTSO is fully insured.
Yes, we offer mycotoxin analysis, conducted by RealTime Labs, a recognized leader in the field.
Every project is unique, just like the clients we serve. Interested in learning more about our services and how we can support your specific needs? Give us a call, and we’ll provide a tailored quote that fits both your project requirements and budget.
If you’d like further clarification or wish to discuss your concerns in more detail, we’re happy to schedule a video or phone consultation at your convenience.