ENCLOSURE2

ENVIRONMENTAL REPORT FOR THE CFFF

Environmental Report for the Columbia Fuel Fabrication Facility

Prepared for

Westinghouse Electric Company, LLC

December 17, 2014

( 11::) TETRA TECH

Tetra Tech, Incorporated 20251 Century Boulevard, Suite 200

Germantown, Maryland 20874-7114

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December 17, 2014 ii Tetra Tech, Inc.

TABLE OF CONTENTS

Section

Table of Contents .................................................................................................................... iii List of Figures ......................................................................................................................... vii List of Tables ......................................................................................................................... viii Acronyms and Abbreviations ................................................................................................. ix Units Conversion Factors .................................................................... ................................. xiii

1.0 Introduction ................................................................................................................ 1-1 1.1 Purpose and Need ............ .............. .. ................ .. ........................ .................... . 1-2 1.2 Proposed Action and Alternatives .................... .... ........ ................ ..................... 1-2 1.3 Applicable Regulatory Requirements and Permits ........ ..... .... .......................... . 1-2

2.0 Site and Facility Description ..................................................................................... 2-1 2.1 CFFF Description .................................................... ........ ................................. 2-1

2.1.1 Facility Site Location and Description ................................................... 2-1 2.1 .2 Facility Operations and Layout.. ...... .. ...... ...... ........ .. .............................. 2-9 2.1.3 Facility Processes .. ........ .. ................ .................... ........... ........ .............. 2-9 2.1.4 Waste Confinement and Effluent Control .... ................... .................... . 2-11

2.2 Summary of Environmental Impacts .............. ............ ..................................... 2-22

3.0 Description of the Affected Environment ................................................................. 3-1 3.1 Land Use ............................................................................. ..... .. ............ ....... ... 3-1

3.1.1 Manufacturing .................................................. .. ................................... 3-1 3.1.2 Agriculture ...... ........ .............................. .. ................... .... ............. ...... .... 3-1 3.1.3 Undeveloped Nonagricultural Land .... ...... .. ........................... ... .... .... ..... 3-6 3.1.4 Nearby Military Installations and Airports ....................................... ...... . 3-6 3.1 .5 Nearby Schools and Churches .. .... .... ...... ... .............. .. ... ....... .... .. .......... 3-6 3.1.6 Parks ... .................. .................. ......... .. .. ... .......... .. ................................. 3-7 3.1.7 Other Land Use ....................................................................... .. ........ ... 3-7

3.2 Transportation ......................................................... ..... .................................... 3-7 3.3 Geology and Soils ........................... ............ .... ........ .... .. ................................... 3-8

3.3.1 Regional Geology ...... .............. ...................... ........ .............. ... .............. 3-8 3.3.2 Site Geology and Soils ................. ........... .................................... .. .... .. 3-10 3.3.3 Regional Seismicity .............. ..... .... .. .. ..... ... ............... ... ........ ...... .......... 3-11

3.4 Water Resources ............ .... ..... ... .................. .................................................. 3-14 3.4.1 Groundwater ................. ..... ...... .. .... ... ... ... ............ ....................... ... ...... 3-16 3.4.2 Surface Water .................... ... ...... .. ..................... .. .................... .......... . 3-17 3.4.3 Water Quality ... ........................ .. ....... ....... .............. .. .. .... ........ ... ..... ..... 3-20 3.4.4 Water Use ................. ... ...... ............ ........ .... .................................. .. ..... 3-21

3. 5 Ecological Resources ................... .......... .......................... .......... .................. .. 3-22 3.5.1 Terrestrial ...... ... ... .............................. ... ................. .. ....... .... ... .. .... ....... 3-22 3.5.2 Aquatic .. .................. .... ...... .... ............. ................... ... .............. ............. 3-22 3.5.3 Threatened and Endangered Species ............................................. .... 3-22

3.6 Climatology, Meteorology, and Air Quality ................................................ .... .. 3-23 3.6.1 Climatology ..... .. ........................ ....................................................... ... 3-23

3.6.1.1 Winds ........................ .. ..................................... .. .................. 3-24 3.6.1.2 Precipitation .... .......... .... .. ............... .. ...... .......... ...... .... .......... 3-24 3.6.1.3 Severe Weather ................................................................... 3-25

December 17, 2014 iii Tetra Tech, Inc.

TABLE OF CONTENTS (Continued)

Section Page

3.6.2 Meteorology and Atmospheric Dispersion ........... .............................. .. 3-26 3.6.3 Air Quality .. ....... ... ....... ............ ....................... ................................... .. 3-30

3.6.3.1 National Ambient Air Quality Standards ........ .... .................... 3-30 3.6.3.2 National Emissions Standards for Hazardous

Air Pollutants ... ..... ... ..... ............. ................. .. ...... .. ................ 3-31 3.7 Noise ... ... .................. ....... ...... ... .... ................... .. .. .............. .. .. ......................... 3-31 3.8 Historic and Cultural Resources .................... .. ............ .... ...... .. .. ........ ....... ... ... 3-31 3.9 Visual/Scenic Resources ... ... ............ .... ............ ... ............... ..... .. ........ .... ..... .... 3-32 3.10 Socioeconomics ..... ............................ ... ... .. ............. ........ ......... .. ........ ... ......... 3-32 3.11 Public and Occupational Health .................. .... ........ .. .......... .............. .............. 3-36

3.11.1 Background Radiation Characteristics .. ... .. ............ ..................... ... ..... 3-36 3.11.2 Public Health and Safety .... .. .... .... .............. .... .. .... ............................... 3-37 3.11.3 Occupational Health and Safety .................................................... .... .. 3-37

3.12 Waste Management ........................ ....................... .. ........ .............................. 3-38 3.12.1 Airborne Effluents .... .. .. .. .............. .. ............................ .. .... .. ................. 3-38 3.12.2 Liquid Effluents .......................................... .. ................ ...... .. .. ............. 3-38 3.12.3 Solid and Hazardous Waste ............................... .. ........ .................... ... 3-40

4.0 Environmental Impacts .............................................................................................. 4-1 4.1 Land Use Impacts .................................................... .................. ...... ................ 4-1

4.1.1 No-Action Alternative ..... ..... .... .... ..... ............ ...... ........ ............... ....... .. ... 4-1 4.1.2 Proposed Action Alternative-40 Year License Renewal ................... .. . 4-1 4.1.3 Mitigation ....................................................... ...... .................. .... ......... .. 4-1

4.2 Transportation Impacts .... ............. ... ... ................. .. ........ .... .. .. .. .. ... .. ....... ...... ..... 4-1 4.2.1 No-Action Alternative .... .................. ............. .. ....................................... 4-1 4.2.2 Proposed Action Alternative-40 Year License Renewal ............ .......... 4-2 4.2.3 Mitigation ................ ... ..... .. ... ....... .... ... ... ... ................ .......................... ... 4-2

4.3 Geology and Soils Impacts .................................................................. ........ ..... 4-2 4.3.1 No-Action Alternative .... ......... ..... ..... .. ..... ................................... .. .... .... . 4-2 4.3.2 Proposed Action Alternative-40 Year License Renewal ................... ... 4-3 4.3.3 Mitigation ................. ... ........ ................ ... ..................... ............... .. ..... .... 4-3

4.4 Water Resources Impacts .... ..... ... ............... ..... ....... ....... ..... .. .............. ... ..... ..... 4-3 4.4.1 No-Action Alternative .... ..... .... ................. ....... .......... ..... ... ....... .. ... ... ...... 4-3 4.4.2 Proposed Action Alternative-40 Year License Renewal ...... ................ 4-7 4.4.3 Mitigation .. ................ .......... ................. .. ................ ......................... ... ... 4-7

4.5 Ecological Resources Impacts .... .......... ................................... .. ....................... 4-8 4.5.1 No-Action Alternative ................ .......... ....... .................. ............. .... ........ 4-8 4.5.2 Proposed Action Alternative-40 Year License Renewal ...................... 4-8 4.5.3 Mitigation ........................... .... .. .. .. .. .... .. .... .... ....... ........................ ......... . 4-8

4.6 Air Quality Impacts .................. .................... .. .. ................................................. 4-8 4.6.1 No-Action Alternative ................ ........ ............... ............ .. ...................... . 4-8 4.6.2 Proposed Action Alternative-40 Year License Renewal ................ ...... 4-9 4.6.3 Mitigation ........................ .......... ..................... ..... ..... ....... ...................... 4-9

4.7 Noise Impacts ......... ........... ....... .. ............................................................. ... ... .. 4-9 4.7.1 No-Action Alternative .......... ..... .. .... ..... ... .. ... .... .... .. ... ... ........ .................. 4-9 4.7.2 Proposed Action Alternative-40 Year License Renewal .... .. .. ........ .. .... 4-9 4.7.3 Mitigation ....... .. ..... ... .................. ..... ... ........ ......................... ...... ........... . 4-9

December 17, 2014 iv Tetra Tech, Inc.

4.8 TABLE OF CONTENTS (Continued)

Section

4.8 Historic and Cultural Resources lmpacts ......... .. .... .. .......... ...... .... ...... ... ..... .... . 4-10 4.8.1 No-Action Alternative .......... .. ............ .. .. .. .................... .... .................... 4-10 4.8.2 Proposed Action Alternative--40 Year License Renewal .. .. ........ .. .. .. .. 4-10 4.8.3 Mitigation .... .... .... .. .............. .. ............ ..... .. .. ....................... .. ............. .. . 4-10

4.9 Visual/Scenic Resources Impacts ....... ... ...... .. ...... .. ...... .. .. .... .... .. .. .. .. ... ............ 4-10 4.9.1 No-Action Alternative ...... ......... .. ................ .. .... .... .. ........ .. ....... ... .. .. ..... 4-10 4.9.2 Proposed Action Alternative--40 Year License Renewal .......... .. .... .... 4-10 4.9.3 Mitigation ... .... .. .... .......... ... .... ... ... .... ... .. ...... .... .... .. ........ .. ........ .... ......... 4-10

4.10 Socioeconomic Impacts .. .. ...... ... ...... .. ........... ..... ................ ..... ...... ... ...... ... .... .. 4-10 4.1C 4.1 0.2 Proposed Action Alternative--40 Year License Renewal ............ .. ...... 4-11 4.10.3 Mitigation ............. ...... .... .......... .. .... ... .................... ..... ... ... ............ .... ... 4-11

4.11 Environmental Justice ................ .. ........ ........... .... .... .. ........ .. ........ .. ...... .. .... ..... 4-11 4.11 .1 No-Action Alternative ........ .... .............. .. ........ .. ........................ .. .... .... .. 4-11 4.11.2 Proposed Action Alternative--40 Year License Renewal ...... .............. 4-12 4.11.3 Mitigation ...... .............. ... ............ ... .. ........... .. ............ .... .... ... ... ... .......... 4-12

4.12 Public and Occupational Health Impacts ........ .. ................................... ..... ...... 4-12 4.12.1 No-Action Alternative .... .... ...... .. ...... .. ........ .. .... .. ... .. .. ....... .. ...... ... ........ . 4-12

4.12.1.1 Non radiological Impacts .... .... .. .. .... ........ ........ ........ .. ... .. .. ...... 4-12 4.12.1.2 Radiological Impacts ........ .. .. .. .... .. ......... ... .. ......... ... .. ......... .. . 4-12

4.12.1.2.1 Pathway Assessment.. .......... .. ................... .... .. ... 4-12 4.12.1.2.2 Public and Occupational Exposure .... ... ........ .. ..... 4-13

4.12.1.3 Potential Impacts of Accidents .......... .. .. .. .. .. ...... ... .. ..... .......... 4-13 4.12.1.3.1 Radiological Accidents .................... .. ... .. ............. 4-14 4.12.1.3.2 Non-Radiological Accidents .... .. .. .. ........ ... .. ...... .. . 4-18

4.12.2 Proposed Action Alternative--40 Year License Renewal ..... ...... .... .... . 4-19 4.12.3 Mitigation ..... ...... .. ....................... ... ....... ................. .. .............. ..... .. .. .... 4-20

4.13 Waste Management lmpacts ...... ... ..... .. ... .... .... ...... .... .................... .. .. ... ... ... .... 4-20 4.13.1 No-Action Alternative .. ... ...... ....... .. .... ...... .... ... ............. .. ........... ..... ...... 4-20 4.13.2 Proposed Action Alternative--40 Year License Renewal ...... .... ........ .. 4-20 4.13.3 Mitigation ....... ... ........... .. .......................... .. .. .. ........ ........... ........ ...... ... . 4-20

5.0 Mitigation Measures .................................................................................................. 5-1 5.1 Land Use Mitigation Measures .................. .. .. .... ............ .. ............ ........ .... .. ...... . 5-1 5.2 Transportation Mitigation Measures .. .... .... .... .... ..... ...... .. .. .. ... .. .. ........... ....... .. .. .. 5-1 5.3 Geology and Soils Mitigation Measures ............... ............. .. .. .. ............ .... .......... 5-1 5.4 Water Resources Mitigation Measures .......... .. .... ..... .. .......... ............... ... .......... 5-1 5.5 Ecological Resources Mitigation Measures .. .. .... ...................... ... .... ....... ........ .. 5-2 5.6 Air Quality Mitigation Measures ................ .. .................. .. .............. ... ............ .. ... 5-2 5. 7 Noise Mitigation Measures .... .. ...... .. ...... .. ... ......... .... ...... .. ..... .. .. .. .. ............ ...... .. 5-2 5.8 Historic and Cultural Resources Mitigation Measures ...... .. ..... .. ... .. ............ .. ..... 5-2 5.9 Visual/Scenic Resources Mitigation Measures ........ .. ...... .. ...... ... ........ ... ........... 5-2 5.10 Socioeconomic Mitigation Measures .................. ................. .... ... ... .. ......... .. ..... . 5-2 5.11 Environmental Justice Mitigation Measures ...... .... .. .. ........... .. .... .. .... .... ....... ...... 5-2 5.12 Public and Occupational Health Mitigation Measures ........... ... .. .... ........ .. ... ...... 5-3 5.13 Waste Management Mitigation Measures .... .. .... .. .......... .... ...... ...... .......... .... .. .. . 5-3

December 17, 2014 v Tetra Tech, Inc.

TABLE OF CONTENTS (Continued)

Section

6.0 Environmental Measurements and Monitoring Programs ...................................... 6-1 6.1 Radiological Monitoring .... ............ ...... .. .. .. ...... .. .... .. .. .. ........... .. ............ ...... .. ..... 6-1

6.1.1 Airborne Effluents .... .... .... .. ............ .. .... .. .. .. .................... .. ..................... 6-1 6.1.2 Liquid Effluents ...................... .. ...... .. .............. .. .... ...... .................. .... ..... 6-2 6.1.3 Solid Waste Disposal .......................... .. .. .. ............. ................. ...... ....... . 6-2 6.1.4 Environmental Monitoring ................ ....... ........... .. ...... ... .. .. .... .. .............. 6-3

6.2 Physiochemical Monitoring ... .. .... ...... ... ... .... ................................ ... .. .. ........ .... .. . 6-8 6.2.1 Air Quality ......................... ..... ... .... ..... ... ......... .. .............. ....... ..... ........... 6-8 6.2.2 Liquid Effluents ..... ... .............. .. ....... .... .. ..... .... ........ ......... ... .. .. .......... ... .. 6-8

6.3 Ecological Monitoring ................... .. ... .. ......... .. .. ..... .. .. .. .. .. .. ... .... ... ... .... .. ... ... .... .. 6-8

7.0 Cost Benefit Analysis ................................................................................................ 7-1 7.1 Summary of Benefits .... .. .. .... .... ... .... ............. ... ........................ ...... .............. .. ... 7-1 7.2 Sun 7.3 Balance of Benefits and Costs .. .. ............ .. .. ...... .......... .. .... .. ...... .... .......... .... ...... 7-2

8.0 Technical Issues Regarding License Extension ...................................................... 8-1 8.1 Environmental, Licensing and Permit Issues .. .... ......... .. .. ....... .. ........... ...... ..... .. 8-1 8.2 CFFF Operational Issues .... ........ .... .. ................... .... ... ......... .... .... ......... .. ......... 8-3 8.3 Proactive Westinghouse Approaches to Issues .. .. ........ ...... ...... .... ....... .. .... ..... .. 8-3

8.3.1 Environmental, Safety and Health Policy .. .. .... .. .... ............................... 8-6 8.3.2 Quality Assurance .. .. .... .. ........ ...... .................. .... ...... ..................... .. .... 8-6 8.3.3 Continuous Improvement. ... ... ... ....... .. ..... .. .... .. .. ....................... .... ........ 8-7 8.3.4 Configuration Control ....... .. .. ... ...... ....... ............. .......................... ... .. ... . 8-7 8.3.5 Problem Identification and Corrective Action .. .. ... .. .. .. ....... .... ...... ... ...... 8-8

9.0 Summary of Environmental Consequences ............................................................ 9-1

10.0 List of References .................................................................................................... 10-1

11.0 List of Preparers ...................................................................................................... 11-1

Appendix A Existing CFFF Permits, Licenses, and Certifications

Appendix B Site Hazardous Chemicals and Transportation Aspects

Appendix C Ecological Resources

December 17,2014 vi Tetra Tech, Inc.

Figure

2.1-1 2.1-2 2.1 -3 2.1 -4 2.1-5 2.1-6 2.1 -7 3.1 -1 3.1-2 3.1-3 3.3-1 3.3-2 3.3-3 3.4-1 3.6-1 3.6-2 3.10-1 3.10-2 6.1-1 6.1 -2 6.2-3

LIST OF FIGURES

CFFF and Surrounding Area .. ......... ..... ......................... ....... ....... ...... .... ....... ... .. ... ..... 2-2 Area Surrounding the CFFF Site within 5 Miles ........... ... .. .... .... ......... .... ... .......... .. ..... 2-3 Topographic Detail of the CFFF Site and Surroundings ...... .... .. .. .......... ... ... ... ...... .... . 2-4 Aerial Photograph of the CFFF .... ..... ... ... ............ .. ....... ...... .. ....... ... ...... .... ..... .. ...... ... . 2-5 CFFF Boundary .... .... ... ......... ... ...... ...... ........ ....... .. ..... ........ ......... .. ..... ............... .. ...... 2-7 CFFF Site Plan ............... ...... ... ....... .. .... ........ ... .. ... .... ... ..... ........ ......... ........ ..... .... ... . 2-13 Building and Liquid Waste Treatment for CFFF ........... ......... .... .. .. ...... ........ .... ......... 2-18 Land Use Features Within 8 km (5 mi) of the CFFF ...................... .... .. ..... .. ........... .... 3-3 Land Use within 1.6 km (1 mi) of the CFFF ....... ... ... .......... ..... ....... ......... ..... ..... ... ...... 3-4 Affected Environment: Manufacturing and Distribution Locations .. . ......... .. . ... ........ 3-5 Generalized Geologic Map of South Carolina .. ... .... ... ..... ....... .... .. ...... ... ........ ........ ..... 3-9 Earthquakes of Magnitude 3.0 or Greater in the South Carolina Region .. ............... 3-12 lsoseismal Map of the August 31, 1886 Charleston, SC Earthquake ... ..... ..... .......... 3-13 Congaree River and Sandy Run Watershed Map .. .. .. .. .... ... .......... ... .......... ........ ...... 3-15 Map of Hurricane Paths for Central South Carolina .... ... ......... ..... ........ .. ...... ... .. ...... . 3-27 Annual Wind Rose for Columbia, SC Metropolitan Airport (1988 to 1992) .. ....... ..... . 3-28 U.S. Census Bureau Census Tracks ... ...... ... ...... ... ... .... ....... .. ..... .... ..... .... ... ...... ... .... 3-33 Estimated Population Distribution within 5 Mile Radius of CFFF .... ...... ...... ........ .... . 3-35 Locations of Air, Vegetation and Soil Monitoring Stations ........ .... ........ ......... ... .. .. .... . 6-5 Locations of Surface Water Monitoring Stations ...... ... .... .... .... .......... ... .... ....... ........... 6-6 Locations of Monitoring Wells .. .. ........ ............. .. .......... .... ... .... ... .... ......... ... .... ... ....... .. 6-7

December 17, 2014 vii Tetra Tech, Inc.

2.1-1

2.1-2

2.1 -3

2.1-4

2.1-5 2.2-1 2.2-2 3.1-1 3.3-1 3.4-1 3.4-2 3.4-3 3.4-4 3.4-5 3.6-1 3.6-2 3.6-3 3.6-4 3.6-5

3.10-1

3.10-2

3.10-3 3. 12-1 3.12-2

4.12-1 4.12-2

6. 1-1 6.1-2 7.1-1 7.2-1 8.1 -1

LIST OF TABLES

Measured Semiannual Airborne Releases of Uranium from CFFF at Nominal 1,500 MTU/yr Capacity ............ ......... ... ......... ........ .. ........ .... .. ............. .. ...... 2-15 Emission Summary for CFFF Non-radiological Airborne Pollutants for Nominal 1,500 MTU/yr Capacity .... ..... .... ... .. ..... .. .......... ... ............ ... .. .... .. .... .......... ...... ...... .... 2-16 Annual Release of Uranium in CFFF Liquid Effluents at a Nominal 1,500 MTU/yr Capacity ... .... ...... .. .. .... .... ... ... ... ... ... ....... .. .......... .... .... .. .. ... ........ ... .. ... . 2-17 Annual Average Nonradiological Water Quality of CFFF Liquid Effluent Discharge at a Nominal 1 ,500 MTU/yr Capacity ...... .... .......... .. .... .... .. .......... .... .... .... 2-20 Summary of Waste Generated Rates and Storage Capacity .. .. .... ...... .. .................. . 2-21 Summary of Resource Use and Effluents ...................... ........ ...................... ....... ..... 2-24 Summary of Environmental Impacts .................. ..... ..... ... .. .... ..................... ......... ..... 2-25 Schools Near the CFFF Site .......... .. ..... .... .... ...... .. .... .................................. .. ............ 3-7 Description of the Coastal Plain Sediments at the CFFF Site ........ .. ... ..................... 3-10 Rainfall Intensity for the Columbia Area .. .......... .. .. ..................... .......... ...... ... .. ........ 3-16 Stream Flow Rates for the Congaree River ...... .. .............. .... ................ .. .... ............ . 3-18 Significant Flood Events ....................... ...... ....... ....... ...... ................ .... .. ......... .. ........ 3-19 Flood Potential of Various Water Levels .. .. ........ .. .............. ...... .. ...... .. ...... ................ 3-19 Recorded Crest History on the Congaree River ............... .. .. .. .... ............ ................ . 3-20 Richland County Climatology Summary .... .. .. .. .......... ...................... .. .... .. .. .. ............ 3-23 Normal Precipitation Amounts by Month for Richland County ................. ...... .. .... .... 3-24 Maximum Precipitation Amounts by Month for Richland County .. ... ............ .. .......... 3-24 Number of Snowfall Days for South Carolina ............ .......... .. ........ ........................ . 3-25 Annual Average Atmospheric Dispersion Factors (X/Q) by Distance and Direction from CFFF ... .. ... .. ..... ...... .................. ................................................. . 3-29 Census 2010 General Demographics for the State of South Carolina, Richland County, Lexington County, and Richland County Census Tract 118 (Hopkins) .................................. ........ .................... .. ...... .... ..... .. .... .......... . 3-34 Economic Data for the State of South Carolina, Richland County, Lexington County, and Richland County Census Tract 118 (Hopkins) ......... .. ......... 3-34 Estimated Population Near the CFFF Site ......... .. .. ... ............. .. ...... .......................... 3-36 Modeled Emission Rates for CFFF Nonradiological Gaseous Pollutants .. ............. .. 3-39 Maximum Modeled Concentrations for CFFF Non radiological Gaseous Pollutants ....... ... ... .. .. .. ..... .. ............... .. .. ..... ... ...... .......... .. ....... ..... ... ... ... .................. .. 3-39 Potential CFFF Accidents ... .... .... .... .......... .. ... .... ... .... ....... ...... .......... ........ ........ .. ..... 4-15 Maximum 50-year Dose Commitment to the Nearest Resident from a Criticality Accident ...... ...... .... .. .. .... .. ......... ...... ...... .. ... .... ........ ........ .. .... ..... ............ .... 4-17 Environmental Sampling Criteria ....... ......... .. ... ... ...... ... .. .. ............. ............................. 6-3 Typical Environmental Program Radiological Analytical Sensitivities ....... .. ....... ........ 6-4 Summary of Benefits of the CFFF ... ................... .......... .................... .... .. ... .... ...... ... .. . 7-1 Summary of Costs of CFFF ........................ .. ...... ............ .... ...... ........... .. ... ...... ........... 7-2 Potential Areas Affecting a 40-Year License Extension ................. .. ......... .. .... ........... 8-4

December 17, 2014 viii Tetra Tech, Inc.

ac ADU A LARA ANGS AS/SVE

BDC BOD

oc Ca CAA CaF2 CAS COTs CFFF CFR cfs co csx

d DCE

DOT

EA EH&S EIS EPA ER

F Of FCC ft

GA gal gpm

December 17,2014

ACRONYMS AND ABBREVIATIONS

acre ammonium diuranate As Low As Reasonably Achievable Air National Guard Station air sparging and soil vapor extraction [system]

Baseline Design Criteria Biological Oxygen Demand

degrees celsius calcium Controlled Access Area calcium fluoride Chemical Abstract Service Communication Device Transponders Columbia Fuel Fabrication Facility Code of Federal Regulations cubic foot per second (ft3/s) carbon monoxide CSX Transportation, Incorporated

cubic feet

Day cis-1 ,2-dichloroethene

U.S. Department of Transportation

Environmental Assessment Environment, Health, and Safety Environmental Impact Statement U.S. Environmental Protection Agency Environmental Report

fluorine degrees Fahrenheit Federal Communications Commission feet

Georgia gallon gallons per minute

hydrogen water hectare High Efficiency Particulate Air (filter) hydrogen fluoride or hydrofluoric acid hour

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HVAC

IBC IDR IFBA ISA

JFD

kg km km 2

kt

L lbs. LLC LLRW

1JCi j.Jg 1Jm m m2 m3/s mCi mg mgd mi mi2

mil min ml MM mph MPN mrem MSA MSL MT MTU

NAAQS NC NCDC NEPA NESHAP NH3

December 17, 2014

Heating, Ventilation, and Air Conditioning

Intermediate Bulk Container Integrated Dry Route Integral Fuel Burnable Absorber Integrated Safety Analysis

Joint Frequency Distribution

kilogram kilometer square kilometer knots, nautical mile per hour

Liter pounds Limited Liability Company Low-level radioactive waste

microcuries microgram micrometer Meter square meters cubic meters per second millicuries milligram million gallons per day Mile(s) square miles One-thousand of an inch minute milliliter Modified Mercalli miles per hour most probability number millirem Metropolitan Statistical Area mean sea level metric ton metric tons of uranium

nitrogen nitrogen

National Ambient Air Quality Standards North Carolina National Climatic Data Center National Environmental Policy Act National Emission Standards for Hazardous Air Pollutants ammonia

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NH4F No. NOx No-3

NPDES NRC NWS

OSHA

pCi PCE PGA PHA psi PSM PSP

s sc SC-DHEC SC-DLLR SC-OOT scf soc SEP SER s.g. SNM SOx SOLX SSCs

TBP TCE TEDE

u UBC U30a UF6 UN UN uo2 U02F2 URRS U.S. USGS

vc voc

December 17, 2014

ammonium fluoride number nitrogen oxides nitrate National Polluant Discharge Elimination System U.S. Nuclear Regulatory Commission National Weather Service

Occupational Safety and Health Administration

picocuries tetrachloroethene [perchloroethene] peak ground acceleration Process Hazard Analysis pounds per square inch Process Safety Management Physical Security Plan

Secondary State Highway South Carolina South Carolina Department of Health and Environmental Control South Carolina Department of Labor, Licensing and Regulations South Carolina Department of Transportation standard cubic feet Seismic Design Category Site Emergency Plan Safety Evaluation Report specific gravity Special Nuclear Material sulfur oxides Solvent Extraction Process Safety Significant Controls

tributyl phosphate trichloroethene total effective dose equivalent

uranium Uniform Building Code uranium oxide uranium hexafluoride United Nations uranyl nitrate (solution) uranium dioxide uranyl fluoride Uranium Recycling and Recovery Services United States U.S. Geological Survey

vinyl ch loride Volatile Organic Compound

xi Tetra Tech, Inc.

wt-%

yr

December 17, 2014

weight-percent

Year

xii Tetra Tech , Inc.

UNITS CONVERSION FACTORS

Length

1 centimeter (em) = 0.3937 inch 1 centimeter = 0.03281 foot (ft) 1 meter (m) = 3.281 feet 1 meter = 0.0006214 mile (mi) 1 kilometer (km) = 0.6214 mile

Area

1 square centimeter ( cm2) = 0.1550 square inch (in2

)

1 square meter (m2) = 10.76 square feet (ft2)

1 square kilometer (km2) = 0.3861 square mile (mi2)

1 hectare (ha) = 2.4711 acres (ac)

1 hectare (ha) = 10,000 square meters (m2)

Volume

1 cubic centimeter (cm3) = 0.0610 cubic inch (in3

)

1 cubic meter (m3) = 35.31 cubic feet (ft3

)

1 cubic meter (m3) = 1.308 cubic yards (yd3

)

1 liter (L) = 1.057 quarts (qt) 1 liter = 0.2642 gallon (gal)

Mass

1 kilogram (kg) = 2.205 pounds (lb) 1 metric ton (mt) = 1.102 tons

Radiation

1 becquerel (Bq) = 2.703x1 o-11 curies (Ci) 1 sievert (Sv) = 100 rem

December 17,2014 xiii

1 inch = 2.54 em 1 foot = 30.48 em 1 ft = 0.3048 m 1 mi = 1609 m 1 mi = 1.609 km

1 in2 = 6.452 cm2

1 ft2 = 0.09290 m2

1 mi2 = 2. 590 km2

1 ac = 0.4047 ha 1 ac = 43560 ft2

1 ft2 = 0.00002296 ac

1 in3 = 16.39 cm3

1 ft3 = 0.02832 m3

1 yd3 = 0.7646 m3

1 qt = 0.9464 L 1 gal = 3.785 L

1 lb = 0.4536 kg 1 ton = 0.9072 mt

1 Ci = 3.70x1010 Bq 1 rem = 0.01 Sv

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December 17, 2014 xiv Tetra Tech, Inc.