One of the first concerns of a technician on a water-damaged project is to identify and manage potential safety and health hazards. Biological contaminants are not always visible to the naked eyes and usually require the use of a microscope to quantify and identify the nature of the contamination.
There are 3 categories of water
1. Broken water supply lines, Melting ice or snow, falling rainwater, Broken toilet tanks and toilet bowls
2. Dishwasher, washing machine, toilet bowls, broken aquariums and punctured water beds,
3.Sewage, Toilet backflows, flooding from sea water, surface water rising from the rivers or streams