An informative discussion that has been kept in generalities and uses 'layman's' terminology.

Various photographs of mould spores and fruiting bodies through the microscope

Various photographs of mould growth and the associated structural damage

Various photographs of asbestos taken through the stereo microscope and the Polarized Light Microscope

Various photographs of common commercial and residential asbestos containing products

Various photographs of HVAC systems, IAQ instruments and informative graphs

Various photographs of Welders, Grinders , exhaust systems and other aspects of occupational hygiene

Various photographs of asbestos abatement work in residential, commercial and industrial settings

Various photographs of other hazardous materials