First let's talk about what E. coli is. It is a type of bacteria commonly found in the intestines of animals and humans. The presence of E. coli in water is a strong indication of recent sewage or animal waste contamination. The full fact sheet is on the...
UraniumUranium is a trace element that occurs naturally in the earth's crust. Uranium is the first element in a long series of decay that produces radium and radon. Uranium is referred to as the parent element, and radium and radon are called daughters....