How can I be certain the mold in my house is completely gone?

The only scientific way to confirm mold removal is through Post-Remediation Verification (PRV) testing. We utilize independent industrial hygienists who conduct air cell and surface lift sampling to provide empirical, lab-verified data proving the indoor air quality has been restored to a healthy baseline.

Dive Deep: Empirical Data and Clearance Certificates

In the structural remediation industry, visual inspections are fundamentally inadequate. Because mold spores are microscopic—often measuring between 1 and 20 microns—a space can look spotless to the naked eye while still containing millions of airborne spores that threaten respiratory health. To remove the guesswork and provide absolute certainty, we rely on Post-Remediation Verification (PRV), also known as clearance testing.

PRV is an independent, scientific process conducted after the remediation is complete but before the containment barriers are removed. A third-party industrial hygienist enters the containment zone and utilizes specialized equipment, such as spore trap air cassettes, to draw in a specific volume of air. They also take outdoor air samples to establish a natural “baseline” for the local environment. These samples are sent to an accredited microbiology laboratory for analysis.

The lab evaluates the total spore count and identifies the specific fungal genera present. For a project to successfully “pass” PRV, the indoor spore counts must be significantly lower than the outdoor baseline, and there must be zero presence of target indicator species (like Stachybotrys or Chaetomium) that were found during the initial damage assessment. If the test passes, the hygienist issues a Certificate of Clearance. This empirical document is crucial; it proves to insurance adjusters, future home buyers, and your family that the structure has been scientifically decontaminated to the highest indoor environmental quality standards.

Demand scientific proof that your environment is safe. Learn about our Mold Remediation Process