Why HVAC Is the #1 Vector of Cross-Contamination in CIRS Homes

…And Why San Diego’s “Perfect Weather” Makes HVAC Issues Worse. When it finally gets cold enough in Southern California to switch on the heater, most people don’t expect the blast of stale odor that follows. But in San Diego, where the weather is mild enough...

Why Negative Pressure Spreads UFPs Through an Entire Home

In 20 years as remediators, we have taken on many water damage or mold projects that other remediators didn’t properly complete, jobs that had cross contamination issues, or concerns of the homeowner not being met. Negative pressure and contamination have been a major...

Failure of Traditional Post-Remediation Verification Testing

Post-Remediation Verification Testing (also known as PRV testing) is the process of confirming that mold remediation was performed correctly and that the property is safe to reoccupy. It typically includes air sampling, visual inspection, dryness verification, and in...

Small Particle Behavior in Homes During Thanksgiving

Thanksgiving is supposed to be about food, family, and warmth, not about small particle issues or air quality. Yet it’s one of the few times of the year when every factor that affects indoor air happens all at once: the HVAC running nonstop, the oven on for hours, the...

The Truth About Toxic Black Mold and CIRS

People search for ‘black mold’ and while Stachybotrys has been highlighted in the media, the truth is more complex. Any indoor mold growing after water damage can release spores, fragments, volatile compounds and biotoxins that affect vulnerable people.  For medically...