0 U 0 (I): p.', me 3 g ED 3 m .i L0. mq to Lz I- hE Appendix E Applicant's Environmental Report Operating License Renewal Stage Peach Bottom Atomic Power Station Units 2 and 3 Exelon Generation Company, LLC Docket Nos. 50-277 and 50-278 License Nos. DPR-44 and DPR-56 Appendix E - Environmental Report Table of Contents TABLE OF CONTENTS Section Page Acronyms and Abbreviations .................................................................................. E.AA-1 1.0 Introduction ..................................................................................................... E.1-1 1.1 Purpose of and Need for Action ........................................................... E.1-1 1.2 Environmental Report Scope and Methodology .................................. E. 1-2 1.3 Peach Bottom Atomic Power Station Licensee and Ownership ..... E.1-3 1.4 References ...................................................................................... E. 1-4 2.0 Site and Environmental Interfaces .................................................................. E.2-1 2.1 Location and Features ......................................................................... E.2-1 2.2 Aquatic and Riparian Ecological Communities .................................... E.2-2 2.2.1 Hydrology .............................................................................. E.2-2 2.2.2 Aquatic Comm unities ............................................................ E.2-3 2.3 Groundwater Resources ...................................................................... E.2-6 2.4 Critical and Im portant Terrestrial Habitats ............................................ E.2-7 2.5 Endangered and Threatened Species ................................................. E.2-9 2.6 Regional Demography ....................................................................... E.2-12 2.7 Econom ic Base ................................................................................. E.2-17 2.8 Taxes ................................................................................................. E.2-18 2.9 Land Use Planning ............................................................................ E.2-20 2.10 Social Services and Public Facilities .................................................. E.2-24 2.10.1 Public W ater Supply ............................................................ E.2-24 2.10.2 Transportation ..................................................................... E.2-25 2.11 Minority and Low-Income Populations ............................................... E.2-27 2.11.1 M inority Populations ............................................................ E.2-27 2.11.2 Low-Income Populations ..................................................... E.2-28 2.12 Meteorology and Air Quality ............................................................... E.2-30 2.13 Historic and Archaeological Resources ............................................. E.2-31 2.14 References ........................................................................................ E.2-32 3.0 Proposed Action ............................................................................................. E.3-1 3.1 General Plant Information .................................................................... E.3-1 3.1.1 Reactor and Containm ent Systems ....................................... E.3-1 3.1.2 Cooling and Auxiliary W ater System s ................................... E.3-3 3.1.2.1 Surface W ater ....................................................... E.3-3 3.1.2.2 Groundwater .......................................................... E.3-7 3.1.3 Transm ission Facilities .......................................................... E.3-7 3.2 Refurbishment Activities .................................................................... E.3-1 0 3.3 Programs and Activities for Managing the Effects of Aging ............... E.3-11 Page E-ii PBAPS License Renewal Application Page E-ii Appendix E - Environmental Report Table of Contents TABLE OF CONTENTS (Continued) Section Page 3.4 Employment ....................................................................................... E.3-12 3.5 Conowingo Dam and Hydroelectric Facility ....................................... E.3-15 3.6 References ........................................................................................ E.3-16 4.0 Environmental Consequences of the Proposed Action and Mitigating A ctio ns ............................................................................................................ E .4 -1 4.1 Water Use Conflicts (Plants with Cooling Ponds or Cooling Towers Using Makeup Water from a Small River with Low Flow) ........ E.4-6 4.2 Entrainment of Fish and Shellfish in Early Life Stages ........................ E.4-8 4.3 Impingement of Fish and Shellfish ..................................................... E.4-1 1 4.4 Heat Shock ........................................................................................ E.4-13 4.5 Groundwater Use Conflicts (Plants Using > 100 GPM of Groundwater) ................................................................................. E.4-14 4.6 Groundwater Use Conflicts (Plants Using Cooling Towers W ithdrawing Makeup W ater from a Small River) ............................... E.4-15 4.7 Groundwater Use Conflicts (Plants Using Ranney W ells) .................. E.4-16 4.8 Degradation of Groundwater Quality ................................................. E.4-17 4.9 Impacts of Refurbishment on Terrestrial Resources .......................... E.4-18 4.10 Threatened or Endangered Species .................................................. E.4-19 4.11 Air Quality During Refurbishment (Nonattainment Areas) .................. E.4-21 4.12 Impact on Public Health of Microbiological Organisms ...................... E.4-22 4.13 Electromagnetic Fields - Acute Effects .............................................. E.4-23 4.14 Housing Impacts ................................................................................ E.4-26 4.15 Public Utilities: Public W ater Supply Availability ............................... E.4-28 4.16 Education Impacts from Refurbishment ............................................. E.4-30 4.17 Offsite Land Use ................................................................................ E.4-31 4.17.1 Refurbishment ..................................................................... E.4-31 4.17.2 License Renewal Term ........................................................ E.4-32 4.18 Transportation .................................................................................... E.4-35 4.19 Historic and Archaeological Resources ............................................. E.4-36 4.20 Severe Accident Mitigation Alternatives ............................................. E.4-37 4.20.1 Methodology ........................................................................ E.4-38 4.20.2 Level 3 PSA Analysis .......................................................... E.4-39 4.20.2.1 Population ........................................................... E.4-40 4.20.2.2 Economy and Agriculture .................................... E.4-41 4.20.2.3 Other Plant Specific Data .................................... E.4-41 4.20.3 Conversion of PBAPS PSA Model Results to Level 3 Output ..................................................................... E.4-42 PBAPS License Renewal Application Page E-iii Appendix E - Environmental Report Table of Contents TABLE OF CONTENTS (Continued) Section Paqe 4.20.3.1 Identification of Required Parameters ................. E.4-42 4.20.3.2 Determination of Population Dose Risk (0-50 Miles) ......................................................... E.4-43 4.20.3.3 Determination of Offsite Economic Cost Risk ............................................................. E.4-44 4.20.4 Cost-Benefit Analysis .......................................................... E.4-45 4.20.5 Phase I SAMA Analysis: SAMA Candidates and Screening Process .............................................................. E.4-51 4.20.6 Phase i1 SAMA Analysis ...................................................... E.4-54 4.20.6.1 Phase II SAMA NUMBER 1, Enhance Procedural Guidance for Use of Cross-tied Component Cooling or Service Water Pumps ........................ E.4-55 4.20.6.2 Phase II SAMA Number 11, Provide Additional DC Battery Capacity ............................................ E.4-56 4.20.6.3 Phase II SAMA Number 13, Develop Procedures to Repair or Replace Failed 4-kV Breakers ......... E.4-57 4.20.6.4 Phase II SAMA Number 18, Increase the Safety Relief Valve Re-seat Reliability ................ E.4-57 4.20.6.5 Phase II SAMA Number 21, Install Suppression Pool Jockey Pump for Alternate Injection to the RPV ............................................. E.4-59 4.20.7 Phase II SAMA Analysis Summary ..................................... E.4-60 4.20.8 Conclusions ......................................................................... E.4-61 4.21 References ........................................................................................ E.4-62 5.0 Assessment of New and Significant Information ............................................ E.5-1 6.0 Summary of License Renewal Impacts and Mitigating Actions ...................... E.6-1 6.1 License Renewal Impacts .................................................................... E.6-1 6.2 Mitigation ............................................................................................