A Hazard Ranking System (HRS) is the method EPA uses to assess and score the hazards posed by a site that takes into account the nature and extent of Contamination and the potential for the hazardous substances to migrate from the site through air, soil, surface water, or groundwater; HRS scores are used to determine whether a site should be placed on the National Priorities List (NPL)
Related Articles | |
| Site Inspection | ■■■■■■■■■■ |
A Site Inspection (SI) is a technical phase of the Superfund process, following the Preliminary Assessment . . . Read More | |
| Contamination | ■■■■■■■ |
A Contamination is Introduction into water, air, and soil of microorganisms, chemicals, toxic substances, . . . Read More | |
| Renewable resource | ■■■■■■ |
A Renewable resource is a naturally-occurring resource from the Earth that can replenish itself or grow . . . Read More | |
| Sampling and Analysis Plan | ■■■■■■ |
The Sampling and Analysis Plan (SAP) is the detailed document created by the EPA. This Sampling and Analysis . . . Read More | |
| National Priorities List | ■■■■■■ |
A National Priorities List (NPL) is EPA"s list of the most serious uncontrolled or abandoned Hazardous . . . Read More | |
| Abandoned Well | ■■■■■■ |
An Abandoned Well is a well whose use has been permanently discontinued or which is in a state of such . . . Read More | |
| Concentration | ■■■■■■ |
A Concentration is the relative amount of a substance mixed with another substance. An example is five . . . Read More | |
| Soil | ■■■■■ |
Soil is the natural body consisting of minerals, mixed with some organic materials. It is covering the . . . Read More | |
| Water | ■■■■■ |
Water is a liquid at normal temperatures but exists also solid (ice), and water vapor (cloud) in the . . . Read More | |
| Monitoring | ■■■■■ |
A monitoring is In EMAP, the periodic collection of data that is used to determine the condition of ecological . . . Read More | |