Aspergillosis is a disease caused by the fungus Aspergillus. Aspergillus is a type of mold present practically everywhere both indoors and outdoors. Spores of Aspergillus are present in the air so most people breathe them in every day. It’s almost impossible to completely avoid breathing in some Aspergillus spores. However, inhaled spores do not normally […]
Medical Relevance of Cladosporium Spores In Indoor Environment
March 18, 2019 by
The mold Cladosporium was first described in 1816. Members of Cladosporium are widely distributed worldwide and commonly found on all kinds of plant material, soil, food, paint, textiles and other organic matters. They are also found colonizing as secondary invaders leaves infested by other plant pathogenic fungi. Cladosporium spores represent the most common fungal component […]
Methods for Investigation and Evaluation of Mold Related Problems
March 4, 2019 by
Investigations and evaluation of mold related problems rely on sampling techniques to determine the presence or absence of mold growth. In the indoor environment presence of mold is an indirect indicator of the occupants’ potential exposure to those molds. There are several mold sampling methods and understanding the advantages and disadvantages of each method is […]
NIOSH Mold and dampness assessment tool
January 5, 2019 by
Until recently there were no detailed standards for assessment of mold and moisture intrusion in buildings. The first such standard was released by ASTM in 2014. The standard “ASTM D7338 – 14. Standard Guide for Assessment Of Fungal Growth in Buildings” describes minimum steps and procedures for collecting background information on the affected building, procedures […]
Mold Growth on Imported Products
September 28, 2016 by
Mold growth on products is a major problem facing many manufacturers, vendor suppliers, warehouses, wholesalers, distributors, and retailers. Millions of dollars are lost every year to mold growth. The problem is that products of organic nature such as clothes, leather products, wooden products and many others are subject to damp conditions while in transit from overseas […]
Water Activity Requirements For Mold Growth
April 29, 2016 by
Definition of Water Activity Water activity (aw) refers to “free” water available for microbial growth. For microbial growth to occur, moisture must be freely available. The water activity of a material determines which types of mold would grow on that material. Technically, the water activity is defined as the ratio of the vapour pressure exerted […]
