A spore trap is a passive or active air sampling device that collects airborne mold spores and other biological particles for laboratory analysis. These devices use adhesive surfaces or collection media to capture particles, which are then examined under a microscope to identify mold species and concentration levels. Spore traps provide objective data for assessing indoor mold contamination and potential health risks.
Technical Details
Spore traps operate by drawing air through a collection surface at a measured rate, typically 15 liters per minute for active models. The collected particles adhere to a sticky slide or cassette, which is then stained and analyzed in a laboratory. Results are reported as spores per cubic meter. Common trap types include the Burkard sampler and Anderson cascade impactor, which can identify specific mold genera.
Applications in HVAC
HVAC professionals use spore traps to verify air quality after mold remediation or during IAQ investigations. They help determine if ductwork, coils, or filters are harboring mold growth that affects system performance and occupant health.
Practical Significance
Spore trap data supports informed decisions about filter upgrades, coil cleaning, and system maintenance schedules. Results guide remediation efforts and document compliance with indoor air quality standards.