A sanitary landfill. A deep disposal well. A secure landfill. All of the above. Water that moves through waste disposal sites, becomes contaminated, and then moves into the ground is often called a. Overflow.
Residence time is the a. Average length of time that a chemical remains in a system.
Average length of time it takes for an unstable substance such as a pesticide to decompose by natural processes. Minimum amount of time that a substance stays in the environment. Maximum length of time that a chemical remains in a system. Required to destroy all organic matter by oxidation in an aquatic system. Necessary to completely destroy all chemical pollutants in an aquatic system.