Penicillium Aspergillus In Attic

Aspergillus is not the toxic black mold stachybotrys talked about in many media pieces.
Penicillium aspergillus in attic. Outdoors it s found in decaying leaves and compost and on plants trees and grain crops. Cladosporium raw count count m3 of total 3 20 20. Still aspergillus can be lethal to people with seriously compromised immune systems or where the exposure is so great as to overwhelm an individual s immune system. Other species like aspergillus versicolor are more prevalent in environments with high water activity.
Since there are so many different species in this group we can find aspergillus and penicillium in a broad range of habitats. 0 50 spores these are only trace levels and are not an issue. Some species such as aspergillus penicillioides are xerophilic which means they grow with only a small amount of moisture. Incredibly according to the study growth evaluation of fungi penicillium and aspergillus spp on ceiling tiles by john c s.
Penicillium citreonigrum is producing citreoviridin is a mycotoxin penicillium toxicarium and penciillium charlesii. Penicillium aspergillus raw count 123 spores m 824 total of 19 scopulariopsis raw count 122 spores m 817 total of 19 any help in understanding this report is much appreciated. Just like other molds aspergillus penicillium grows and thrives in damp dark areas. Inspection it can inadvertently raise the spore counts.
This can happen if an interior attic access is opened or the a c filter is removed from the return before the air sample is performed. The mycotoxin is commonly found on a mold that grows on foods such as grains rice and corn. When mold spores are inhaled immune system cells surround and destroy them. Chang even ceiling tiles can support the growth of penicillium if indoor humidity levels are at or above 85 and the moisture content of the tiles is greater than 2 2.
Aspergillus mold is unavoidable. Even stachybotrys is not considered an. Everyday exposure to aspergillus is rarely a problem for people with healthy immune systems. Ascospores raw count count m3 of total.
Aspergillus is a common mold usually greenish when you can see the growth. The places in your home that aspergillus penicillium is most likely to grow are the ones commonly exposed to moisture such as your kitchen bathroom and basement. Some species of penicillium mold release mycotoxin a substance that makes many homeowners around the world worried. Aspergillus penicillium raw count count m3 of total 5 33 33.
Causes of aspergillus penicillium on walls and on wood. We are most concerned about uncommon species of mold like stachybotrys or chaetomium and more common species like penicillium aspergillus at a high. Ascospores raw count count m3 of total 7 47 47.