H. B. Robinson Steam Electric Plant, Unit No. 2 License Renewal Application Environmental Report 4.21 TABLES Environmental Consequences of the Proposed Action and Mitigating Actions Page 4-41 C G TABLE 4-1 C7 M S CATEGORY 1 ISSUES THAT ARE NOT APPLICABLE TO RNPa CD0 D Issues Basis for Inapplicability to RNP Surface Water Quality, Hydrology, and Use (for all plants) (D 0 1p * 3o: o 1. Impacts of refurbishment on surface water quality Issue applies to activity, refurbishment, that RNP will not undertake. -o> -0 2. Impacts of refurbishment on surface water use Issue applies to activity, refurbishment, that RNP will not undertake. - 3 Co 4. Altered salinity gradients Issue applies to discharge to a natural water body that has a salinity gradient to M -5 alter, not to a freshwater river as at RNP. o 0 (nD 12. Water use conflicts (plants with once-through Issue applies to heat dissipation system, once-through, that RNP does not 0 cooling systems) have. -o0 Aquatic Ecology (for all plants) CD -0 14. Refurbishment Issue applies to activity, refurbishment, that RNP will not undertake. Z -a Aquatic Ecology (for plants with cooling-tower-based heat dissipation systems) 0 Z U) 28. Entrainment of fish and shellfish in early life Issue applies to heat dissipation system, cooling towers, that RNP does not o C1 stages have. 29. Impingement of fish and shellfish Issue applies to heat dissipation system, cooling towers, that RNP does not have. 30. Heat shock Issue applies to heat dissipation system, cooling towers, that RNP does have. not Groundwater Use and Quality 31. Impacts of refurbishment on groundwater use and Issue applies to activity, refurbishment, which RNP will not undertake. quality S32. Groundwater use conflicts (potable and service Issue applies to a plants that withdraw less than 100 gpm. RNP withdraws water; plants that use < 100 gpm) more than 100 gpm. U) 36. Groundwater quality degradation (Ranney wells) Issue applies to a heat dissipation system feature, Ranney wells, that RNP does not have. 37. Groundwater quality degradation (saltwater Issue applies to plants located in coastal areas. RNP is located inland. intrusion) m 38. Groundwater quality degradation (cooling ponds in Issue applies to plants located in coastal areas. RNP is located inland. S salt marshes) CD3 CD (D _0 m TABLE 4-1 (Cont'd) D W CATEGORY 1 ISSUES THAT ARE NOT APPLICABLE TO RNPa "0 CD o CD = Issue as Basis for Inapplicability to RNP (DO0 0 Terrestrial Resources 41. Cooling tower impacts on crops and ornamental Issue applies to heat dissipation system, cooling towers, that RNP does not vegetation have. c o_,,CD =3 42. Cooling tower impacts on native plants Issue applies to heat dissipation system, cooling towers, that RNP does not have. -U 43. Bird collisions with cooling towers Issue applies to a plant feature, natural draft cooling towers, that RNP does not 0 have. Human Health r\3-o 54. Radiation exposures to the public during Issue applies to activity, refurbishment, that RNP will not undertake. 0 refurbishment CD(n C) 55. Occupational radiation exposures during Issue applies to activity, refurbishment, that RNP will not undertake. 0 refurbishment 56. Microbiological organisms 0 (occupational health) Issue applies to a plant feature, cooling towers, that RNP does not have. Socioeconomics 72. Aesthetic impacts (refurbishment) Issue applies to activity, refurbishment, that RNP will not undertake. < = less than gpm = gallons per minute NRC = U. S. Nuclear Regulatory Commission (D a. NRC listed the issues in Table B-1 of 10 CFR 51, Appendix B. CP&L added issue numbers for organization and clarity. m (D -a(D 0 M a-r- TABLE 4-2 FV " CATEGORY I AND "NA" ISSUES THAT ARE APPLICABLE TO RNPa 0* CDW CD o2 GElS (NRC 1996a) 0 =1 Issue NRC Findin sgSb (Section/Page) 0 Surface Water Quality, Hydrology, and Use (for all plants) Cn 3. Altered current patterns at SMALL. Altered current patterns have not been found to be a 4.4.2/4-52 ":3 CD intake and discharge problem at operating nuclear power plants and are not expected to structures be a problem during the license renewal term. m. 0 CD (a(D 5. Altered thermal stratification SMALL. Generally, lake stratification has not been found to be a 4..4.2.2/4-53 0 of lakes problem at operating nuclear power plants and is not expected to 00 CD be a problem during the license renewal term. ":30 6. Temperature effects on SMALL. These effects have not been found to be a problem at 4..4.2.2/4-53 sediment transport capacity operating nuclear power plants and are not expected to be a (D 0 problem during the license renewal term. CL Z 7. Scouring caused by SMALL. Scouring has not been found to be a problem at most 4.4.2.2/4-53 P 0 discharged cooling water operating nuclear power plants and has caused only localized effects at a few plants. It is not expected to be a problem during the license renewal term. 8. Eutrophication SMALL. Eutrophication has not been found to be a problem at 4.4.2.2/4-53 operating nuclear power plants and is not expected to be a problem during the license renewal term. 0 9. Discharge of chlorine or SMALL. Effects are not a concern among regulatory and resource 4.4.2.2/4-53 other biocides agencies, and are not expected to be a problem during the license :3 renewal term. CD 10. Discharge of sanitary SMALL. Effects are readily controlled through NPDES permit and 4.4.2.2/4-53 wastes and minor chemical periodic modifications, if needed, and are not expected to be a spills problem during the license renewal term. 0 11. Discharge of other metals in SMALL. These discharges have not been found to be a problem at 4.4.2.2/4-53 waste water operating nuclear power plants with cooling-tower-based heat dissipation systems and have been satisfactorily mitigated at other m plants. They are not expected to be a problem during the license renewal term. -D ;::1 4.t= ;:) 4. M TABLE 4-2 (Cont'd) E a: 0 ' 0 CATEGORY I AND "NA" ISSUES THAT ARE APPLICABLE TO RNPa CD I 3 (D) CD sgsb 3 GElS (NRC 1996a) 0 o Issue NRC Finding (Section/Page) 0 Aquatic Ecology (for all plants) :30) :n 15. Accumulation of SMALL. Accumulation of contaminants has been a concern at a 4.4.2.2/4-53 CD contaminants in sediments few nuclear power plants, but has been satisfactorily mitigated by 4.4.3/4-56 >. CD -o or biota replacing copper alloy condenser tubes with those of another CD C.M 0"CD metal. It is not expected to be a problem during the license C1) CD renewal term. 16. Entrainment of SMALL. Entrainment of phytoplankton and zooplankton has not 0 4.4.3/4-56 phytoplankton and been found to be a problem at operating nuclear power plants and zooplankton is not 2. -'-1 expected to be a problem during the license renewal term. 0 17. Cold shock SMALL. Z C') Cold shock has been satisfactorily mitigated at operating 4.4.3/4-56 (D C. nuclear plants with once-through cooling systems, has not P0 endangered fish populations or been found to be a problem at rx3 operating nuclear power plants with cooling towers or cooling 0 ponds, and is not expected to be a problem during the license :3 renewal term. 18. Thermal plume barrier to SMALL. Thermal plumes have not been found to be a problem at 4.4.3/4-56 migrating fish operating nuclear power plants and are Ca not expected to be a problem during the license renewal term. 19. Distribution of aquatic SMALL. Thermal discharge may have localized effects, but is not 4.4.3/4-56 organisms expected to affect the larger geographical distribution of aquatic organisms. 0 20. (n Premature emergence of SMALL. Premature emergence has been found to be a localized 4.4.3/4-56 aquatic insects effect at some operating nuclear power plants, but has not been a problem and is not expected to be a problem during the license renewal term. 21. Gas supersaturation (gas SMALL. Gas supersaturation was a concern at a small number of 4.4.3/4-56 m bubble disease) operating nuclear power plants with once-through cooling systems, but has been satisfactorily mitigated. It has not been found to be a 0 problem at operating nuclear power plants with cooling towers or cooling ponds and is not expected to be a problem during the CD 0Co license (D renewal term. 0'l CD 0 Itj m TABLE 4-2 (Cont'd) EM ARE APPLICABLE TO RNpa 0 * CATEGORY 1 AND "NA" ISSUES THAT Co 0 CD sgsb GElS (NRC 1996a) 0 Issue NRC Finding (Section/Page) 22. Low dissolved oxygen in the SMALL. '3 Low dissolved oxygen has been a concern at one nuclear 4.4.3/4-56 discharge power plant with a once-through cooling system, but has been Co 0 effectively mitigated. It has not been found to be a problem at 70 "CD operating nuclear power plants with cooling towers or cooling ponds and is not expected to be a problem during the license CD Co renewal term. 0. 23. Losses from predation, SMALL. These types of losses have not been found to be a 4.4.3/4-56 Co 0=, U)CE parasitism, and disease problem at operating nuclear power plants and are not expected to among organisms exposed be a problem during the license renewal term.