Table 1-3. Screening Results for Saturated Zone Features, Events and Processes
| YMP FEP Database ID Number | FEP Description | TSPA Screening Decision |
| 1.2.02.01.00 | Additional Fractures | Not included in SZ model – low consequence |
| 1.2.02.02.00 | Faulting | Not included in SZ model – low consequence |
| 1.2.03.01.00 | Seismic Activity | Not included in SZ model – low consequence |
| 1.2.04.02.00 | Igneous Activity Causes Changes to Rock Properties | Not included in SZ model - low consequence |
| 1.2.06.00.00 | Hydrothermal Activity | Not included in SZ model – low consequence |
| 1.2.09.02.00 | Large-Scale Dissolution | Not included in SZ model – low consequence |
| 1.2.10.01.00 | Hydrologic Response to Seismic Activity | Not included in SZ model – low consequence |
| 1.2.10.02.00 | Hydrologic Response to Igneous Activity | Not included in SZ model - low consequence |
| 1.3.07.01.00 | Drought/Water Table Decline | Not included in SZ model - low consequence |
| 1.3.07.02.00 | Water Table Rise | Included changes in flux in SZ model |
| 1.4.07.01.00 | Water Management Activities | Included |
| 1.4.07.02.00 | Wells | Included |
| 2.1.09.21.00 | Suspension of Particles Larger than Colloids | Not included in SZ model - low consequence |
| 2.2.03.01.00 | Stratigraphy | Included |
| 2.2.03.02.00 | Rock Properties of Host Rock and Other Units | Included |
| 2.2.06.02.00 | Changes in Stress Produce Change in Permeability of Faults | Not included in SZ model - low consequence |
| 2.2.06.03.00 | Changes in Stress Alter Perched Water Zones | Not included in SZ model - low consequence |
| 2.2.07.12.00 | Saturated Groundwater Flow | Included |
| 2.2.07.13.00 | Water-Conducting Features in the Saturated Zone | Included |
| 2.2.07.14.00 | Density Effects on Groundwater Flow (Concentration) | Excluded - low consequence |
| 2.2.07.15.00 | Advection and Dispersion | Included |
| 2.2.07.16.00 | Dilution of Radionuclides in Groundwater | Included |
| 2.2.07.17.00 | Diffusion in the Saturated Zone | Included |
| 2.2.08.01.00 | Groundwater Chemistry/Composition in UZ and SZ | Included |
| 2.2.08.02.00 | Radionuclide Transport Occurs in a Carrier Plume in the Geosphere | Included |
| 2.2.08.03.00 | Geochemical Interactions in the Geosphere | Included |
| 2.2.08.06.00 | Complexation in the Geosphere | Included |
| 2.2.08.07.00 | Radionuclide Solubility Limits in the Geosphere | Not included in SZ model - low consequence |
| 2.2.08.08.00 | Matrix Diffusion in Geosphere | Included |
| 2.2.08.09.00 | Sorption in the UZ and SZ | Included |
| 2.2.08.10.00 | Colloid Transport in the Geosphere | Included |
| 2.2.08.11.00 | Distribution And Release of Nuclides from the Geosphere | Included |
| 2.2.09.01.00 | Microbial Activity in Geosphere | Included |
| 2.2.10.01.00 | Repository Induced Thermal Effects in the Geosphere | Not included in SZ model - low consequence or probability |
| 2.2.10.02.00 | Thermal Convection Cell Develops in SZ | Not included in SZ model - low consequence |
| 2.2.10.03.00 | Natural Geothermal Effects | Included |
| 2.2.10.06.00 | Thermo-Chemical Alteration | Included |
| 2.2.10.07.00 | Thermo-Chemical Alteration of the Calico Hills Unit | Not included in SZ model - low consequence or probability |
| 2.2.10.08.00 | Thermo-Chemical Alteration of the SZ | Not included in SZ model - low consequence or probability |
| 2.2.10.13.00 | Density Driven Groundwater Flow (Thermal) | Not included in SZ model – assumed low consequence |
| 2.2.11.01.00 | Naturally-Occurring Gases in the Geosphere | Not included in SZ model - low consequence |
| 2.2.12.00.00 | Undetected Features | Included |
| 2.3.02.02.00 | Radionuclide Accumulation in Soils | Not included in SZ model - low consequence |
| 2.3.11.04.00 | Groundwater Discharge to Surface | Excluded - low consequence |
| 3.1.01.01.00 | Radioactive Decay and Ingrowth | Included |
| 3.2.07.01.00 | Isotopic Dilution | Excluded - low consequence |