Question

Write 10 different sources of microbial contamination

Answer 1

Answer:

Location of fresh air intakes adjacent to outdoor microbial reservoirs

Excessive indoor relative humidity levels (greater than 60 percent)

Stagnant water in air-handling units or other HVAC components

Wet building materials such as carpet, gypsum board, insulation, or ceiling tiles

Wet furniture

Recent flooding within a building

Inadequate building vapor barriers that allow entry of moisture into the building

Voids in exterior insulation or cracks in buildings that allow cold outdoor air to enter the building and cool interior surfaces, which create condensation and promote microbial growth

Answer 2

Explanation:

Microbiological Contamination. Exposure to microorganisms, such as fungi, bacteria, viruses, and their biological by-products, may cause disease and allergic responses in building occupants.