A computer system designed for storing, manipulating, analyzing, and displaying data in a geographic context. A record of the structure and composition of the earth encountered when drilling a well or similar type of test hold or boring. Any compound that kills disease-causing microorganisms. A single sample collected at a particular time and place that represents the composition of the water only at that time and place. The rate at which particles are emitted from a pollution source.
Measurement is made by the number of grains per cubic foot of gas emitted.
A filtering system often used in small water systems and individual homes to remove organics. GAC can be highly effective in removing elevated levels of radon from water. Natural or constructed watercourse or outlet that is shaped or graded and established in suitable vegetation for the disposal of runoff water without erosion. Domestic wastewater composed of wash water from kitchen, bathroom, and laundry sinks, tubs, and washers. A mechanical device that shreds solids and raises sewage to a higher elevation through pressure sewers.