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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,

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Presentation on theme: "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,"— Presentation transcript:

1 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

2 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

3 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

4 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

5 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

6 REMP Descriptions FSAR – General Monitoring Program Plant Technical Specifications – Administrative Controls. Plant Offsite Dose Calculation Manual (ODCM) – Specific Requirements for the Monitoring Programs

7 Critical Pathways Airborne Pathways Waterborne Pathways

8 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.

9 Waterborne Pathway Ingestion of Water Ingestion of Fish or other Aquatic Animals or Plants Direct Exposure at the Shoreline

10 Pathways for Exposure

11 Parameters for a Critical Pathway Analysis Dose Projections Weather Patterns Population Distribution Land Use

12 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

13 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.

14 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

15 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

16 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

17 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

18 Preoperational Monitoring Program Establish Background Radiation Levels Identify Fluctuations in Background Data

19 Background Fluctuations Seasonal Annual Random

20 Gross Beta in Air

21 Thermoluminescent Dosimeter

22 Direct Radiation Monitoring

23 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

24 Air Monitor Station

25 Original Air Filter

26 Air Flow Measuring Equipment

27 Present Air Sample Collector

28 Air Filter Assembly

29 Rainwater Collection Tray

30 One Type of Soil Sampler

31 Typical Food Products - 1 Fresh Leafy Vegetables 1. Lettuce 2. Cabbage 3. Greens Other Vegetables 1. Tomatoes 2. Green Beans 3. Corn

32 Typical Food Products - 2 Tubers 1. Potatoes 2. Turnips Fruits 1. Apples 2. Peaches Meat/Poultry 1. Beef 2. Chicken

33 Water Sampling Station

34 Fish Samples Commercial Species 1. Catfish 2. Smallmouth Buffalo Game Species 1. Bass 2. Crappie

35 Electrofishing

36 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

37 Liquid Scintillation Counting

38 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

39 Marinelli Beakers

40 Counting Solid Samples

41 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

42 Quality Control Samples Blank Samples Duplicate Samples Split Samples Analytical Knowns Blind Spikes Internal Cross-Checks

43 Land Use Survey

44

45

46

47

48 Cs-137 in Soil

49

50 Annual Radiological Environmental Operating Report Site/Plant Descriptions Monitoring Program Description Assessment/Evaluation of Plant Impacts Monitoring Program Modifications Missed Samples/Analyses

51 Annual Radiological Environmental Operating Report Analytical Procedures Nominal Lower Limits of Detection (LLD) Quality Assurance/Quality Control Program Land Use Survey Results Data Tables

52 Summary - Analysis Critical Pathway Analysis Includes Dose Projections Based on: 1. Dose Projections 2. Weather Patterns 3. Population Distribution 4. Land Use

53 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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