Table 3.
Technological Hazards metrics used in the PRISM approach and the methods used to collect and assess.
| Technological Hazard Type | Spatial Extent | Exposure Calculation |
|---|---|---|
| Nuclear Facilities | All nuclear reactors and storage facilities in US identified and given a 10-mile buffer. | Proportion of each land-use classification used to estimate exposure extent. |
| Superfund Sites | Superfund sites - proposed or active in the US identified and given a 5-mile buffer. | Proportion of each land-use classification used to estimate exposure extent. |
| Toxic Release Inventory (TRI) Sites | TRI facilities identified when threshold chemical release criteria are met and given a ¼-mile buffer. | Proportion of each land-use classification used to estimate exposure extent. |
| Resource Conservation and Recovery (RCRA) Sites | All RCRA Site (LQGs, TSDs, and TRANSs) point data from EPA FRS Geodatabase are given a ¼-mmile buffer. | Proportion of each land-use classification used to estimate exposure extent. |