Fire Related Particles – Part 1

Almost all fires produce char, ash or soots in varying amounts. Char consists of irregular shaped fragments of combusted material that are greater than one micron in size. A trained microscopist is able to identify char using a light microscope, and differing fuel sources will produce char particles with different morphologies. The IESO standard focuses […]

Categories of Water – Part 2

Category 2 Water that does carry a significant degree of chemical, biological and/or physical contamination is said to be Category 2.  Aquarium leaks, waterbed leaks, toilet bowl overflows that contain urine, dishwasher and clothes water discharges, and water which enters the structure through hydrostatic pressure.  With Category 2 water losses, special steps and procedures are […]