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HPT001.037 Rev. 0 Page 1 of 52 TP-1 TVAN Technical Training Health Physics (RADCON) Initial Training Program ACADs (08-006) Covered Keywords Pathways, pathway analysis, preoperational monitoring, water sampling, plant effects, trends in environment. Description Supporting Material Instructor Notes 1.1.8.31.2.1.93.1.1.73.1.1.143.2.4.43.3.7.43.3.8.213.3.10.7 3.3.10.83.3.12.183.3.14.7.43.3.14.7.73.3.15.13.3.15.23.3.15.54.2.7.26 4.16.6
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Enabling Objectives Objectives of REMP REMP Requirements Document Two Primary Pathways Parameters of Critical Pathway Analysis Importance of Preoperational Monitoring Direct Radiation Measurements Local, Perimeter, & Remote Stations
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Enabling Objectives Categories of Food Products Water Sampling Technique Categories of Fish Quality Control Samples Purpose of Land Use Survey Predominant Fission/Activation Product Results Report
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REMP Objectives Determine Plant Effects on People Determine Trends of Radioactivity in the Environment Provide Assurance to the Public Meet Regulatory Requirements Provide for Monitoring during Emergencies
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REMP Bases 10 CFR 50, Appendix A, General Design Criterion 64 - Monitor Plant Environs for Radioactivity. 10 CFR 50, Appendix I, Appropriate Monitoring to Evaluate Doses. NRC Generic Letter 89-01 – Programmatic Controls in Tech Specs & ODCM
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REMP Descriptions FSAR – General Monitoring Program Plant Technical Specifications – Administrative Controls. Plant Offsite Dose Calculation Manual (ODCM) – Specific Requirements for the Monitoring Programs
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Critical Pathways Airborne Pathways Waterborne Pathways
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Airborne Pathways Direct (Air) 1. Direct Radiation 2. Inhalation Indirect (Ground or Terrestrial) 1. Materials Deposited on Ground 2. Materials Deposited on Plants and Ingested.
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Waterborne Pathway Ingestion of Water Ingestion of Fish or other Aquatic Animals or Plants Direct Exposure at the Shoreline
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Pathways for Exposure
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Parameters for a Critical Pathway Analysis Dose Projections Weather Patterns Population Distribution Land Use
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Air-Related Pathways DoseConc.LLD mRem/yr 1. AirpCi/m 3 pCi/m 3 I-131 0.050.00240.0100 Noble Gas 0.43 2. MilkpCi/LpCi/L I-131 0.090.050.50 3. VegetablespCi/KgpCi/Kg I-131 0.620.211-8 Sr-90 1.000.11 8 Sr-89 0.701.00 40
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Ranking Air-Related Pathways Based on Calculated Annual Dose (mRem/yr) SrIodine Noble Gases 1.Vegetation(1.7) Milk (>1) (1.0 Sr-90) (Conservative (0.7 Sr-89) Assumptions) 2. Vegetation (0.62) Direct (0.43) 3. Inhalation (0.05) Milk (0.09) (Actual Location) 4.
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Dose Distribution – SQN % of TotalMonitors Rank Dose Sector 1-10 Miles >10 Miles 1 19.1 SSWLM, PM 2 15.4 NNELM, PM RM 3 13.9 NELM 4 9.0 NLM, PM 5 9.0 SWPM RM 6 6.6 S 7 5.0 SSE 8 4.7 ENE 9 3.4 SE 10 3.0 NNW 11 2.5 WSWPM 12 2.3 E 13 2.2 ESE RM 14 1.5 WPM 15 1.4 NW 16 0.9 WNW RM
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Dose Distribution Times Population - SQN % of Total Rank DoseSector Monitors, 1-10 Miles 1 19 SSWLM, PM 2 15 WSWPM 3 12 SWPM 4 9 NW 5 9 WPM 6 6 WNW 7 5 S 8 3 NNW 9 3 SSE 10 2 NLM 11 2 NNELM 12 2 SE 13 1 ESE 14 1 NELM 15 1 ENE 16 1 E
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Water-Related Pathways Annual Dose mRem/yr Concentration LLD 1.Water pCi/L pCi/L MF&AP 0.00230.0920 5-10 I-131 0.00510.0036 1-8 H-3 0.00012.0000 330 Sr-90 0.00220.0004 2 2.FishpCi/g pCi/g MF&AP 0.38002.0000 0.01-0.10 I-131 0.02100.0020 0.02 Sr-90 0.00550.0001 0.10 MF&AP = Mixed Fission & Activated Products
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Ranking Water-Related Pathways Based on Calculated Annual Dose (mRem/yr) IodineSrMF&AP 1. 2. Fish (0.38) 3. Fish Ingestion (0.021) 4. WaterWaterWater Ingestion (0.0051) Ingestion (0.0022) Ingestion Fish (0.0055)(0.0023) MF&AP = Mixed Fission & Activated Products
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Preoperational Monitoring Program Establish Background Radiation Levels Identify Fluctuations in Background Data
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Background Fluctuations Seasonal Annual Random
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Gross Beta in Air
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Thermoluminescent Dosimeter
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Direct Radiation Monitoring
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Atmospheric Monitoring Stations Local Monitors (LM) – On or Adjacent to the Site Boundary Perimeter Monitors (PM) – 3-10 Miles from the Site Remote Monitors (RM) – > 10 Miles from the Site
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Air Monitor Station
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Original Air Filter
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Air Flow Measuring Equipment
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Present Air Sample Collector
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Air Filter Assembly
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Rainwater Collection Tray
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One Type of Soil Sampler
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Typical Food Products - 1 Fresh Leafy Vegetables 1. Lettuce 2. Cabbage 3. Greens Other Vegetables 1. Tomatoes 2. Green Beans 3. Corn
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Typical Food Products - 2 Tubers 1. Potatoes 2. Turnips Fruits 1. Apples 2. Peaches Meat/Poultry 1. Beef 2. Chicken
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Water Sampling Station
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Fish Samples Commercial Species 1. Catfish 2. Smallmouth Buffalo Game Species 1. Bass 2. Crappie
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Electrofishing
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Sample Analyses Gross Beta – Low Background Counter I-131 Specific – Chemical Separation & Beta- Gamma Coincidence Counting Sr-89,90 – Chemical Separation/Beta Ct. Tritium – Liquid Scintillation Counting
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Liquid Scintillation Counting
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Sample Analyses Gross Beta – Low Background Counter I-131 Specific – Chemical Separation & Beta-Gamma Coincidence Counting Sr-89,90 – Chemical Separation/Beta Ct. Tritium – Liquid Scintillation Counting Gamma – Gamma Spectroscopy 1. Marinelli Beaker 2. “Cottage Cheese” Type Container, Various Charcoal Cartridge – High Resolution Gamma
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Marinelli Beakers
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Counting Solid Samples
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Quality Control Program Equipment Checks Laboratory Cross Check Program with Outside Laboratory Split Samples with AL, TN, & EPA Quality Control Samples Supervisors Review Trends/Problems
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Quality Control Samples Blank Samples Duplicate Samples Split Samples Analytical Knowns Blind Spikes Internal Cross-Checks
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Land Use Survey
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Cs-137 in Soil
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Annual Radiological Environmental Operating Report Site/Plant Descriptions Monitoring Program Description Assessment/Evaluation of Plant Impacts Monitoring Program Modifications Missed Samples/Analyses
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Annual Radiological Environmental Operating Report Analytical Procedures Nominal Lower Limits of Detection (LLD) Quality Assurance/Quality Control Program Land Use Survey Results Data Tables
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Summary - Analysis Critical Pathway Analysis Includes Dose Projections Based on: 1. Dose Projections 2. Weather Patterns 3. Population Distribution 4. Land Use
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Summary - REMP REMP Sampling 1. Direct Radiation 2. Atmospheric Media 3. Terrestrial Media 4. Waterborne Media Quality Assurance/Quality Control Land Use Survey Annual Report to NRC
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