How To Read A Mold Spore Trap Report
Video How to Read a Mold Spore Trap Report Molecular wrap technology allows species to directly compare species between indoor and outdoor mold spores. MTRAP is the only air sampling tape with integrated molecular wrapping technology. The table below is from an mTrap report. This particular sample was collected from a luxury apartment in Manhattan, NY. The entire project consists of three indoor mTRAP models: Kitchen, Living Room and Master Bedroom, and an outdoor model. The report is read from left to right and consists of four columns. Spore concentrations for each species are reported in the number of spores per cubic meter of air. The ND entry indicates that no spores were detected for that species. Column four reports the relative abundance of each species. Relative abundance indicates the contribution of spores for each species to the total concentration of spores in the sample and is expressed as a percentage. First “total spores” (last row of report). The internal concentration (5,938) was greater than the outer concentration (3,814). Next, scan the Relative Abundance column to find the most abundant indoor species (68,29); it corresponds to the mold Aspergillus sydowii. Compare the inside with the outside for A. sydowii, noting that it is elevated indoors (4,055) compared to outdoors (226). Do this for all relative abundance values descending from largest to smallest. MTRAP is analyzed using DNA technology and is extremely sensitive. As a general rule, any difference between indoor and outdoor spore concentrations for a particular species greater than 100 indicates indoor spore multiplication. If Stachybotrys chartarum is detected internally rather than externally, multiplication can occur internally – even if only one spore is detected. However, if the values are greater than five spores are likely to replicate. Read more: how to view amazon primes on a projector Total is nine species. Aspergillus and Penicillium species are considered to be major indicators of water intrusion. Furthermore, many different species have been implicated in respiratory disease, asthma, and toxic exposure. MTRAP provides species identification and spore concentration. The general basis of exposure assessment is to determine the airborne concentration of a contaminant to which occupants are exposed. In chemical analysis, we determine the concentrations of specific chemicals during exposure assessment. Molecular adhesion works in a similar way by providing the exact species of mold. No spore trap. Spore trapping is limited by technology both in terms of capture capacity and recognition resolution. Many species of outdoor fungi produce few round spores, which is an extremely puzzling problem with the interpretation of spore traps. Small round spores were grouped into Aspergillus/Penicillium–like spores during wound trap analysis. This makes it almost impossible to compare indoor to outdoor concentrations with confidence. However, most investigators continue to inappropriately consider Aspergillus/Penicillium-like spores when assessing exposure. They do so because of the low cost and quick turnaround that spore trap analysis offers. Only by comparing species can a strong connection between airborne concentrations and mold exposure be possible, mTRAP provides an advanced solution for the assessment of mold exposure.Read more: how to make a bottle of bubbles
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