Why test for Stachybotrys chartarum and Aspergillus niger?
The more serious health problems have been associated with the toxic greenish-black mold, Stachybotrys atra (chartarum). It is found on moist material containing cellulose, such as wood, paper, dust, lint, paper covered drywall, and ceiling tiles. Aspergillus niger is one species of Aspergillus commonly found in the environment that can cause allergic reactions and pulmonary infection. It is usually a white or yellow mold covered with a dense layer of black spores.
