ML041830113
| ML041830113 | |
| Person / Time | |
|---|---|
| Site: | Yankee Rowe |
| Issue date: | 04/06/2002 |
| From: | Yankee Atomic Electric Co |
| To: | NRC/FSME |
| References | |
| -RFPFR | |
| Download: ML041830113 (16) | |
Text
Yankee Atomic Electric Company LTP Submittal Overview Meeting with USNRC April 6, 2004 1
Discussion Topics mUpdate of Decommissioning Progress mLTP-Related Submittals
- Hydrogeologic Report
- Related Activities - 2004
- Future Communications with NRC 2
Update of Decommissioning Progress During Operations Ir \i 1 Currently 3
Update of Decommissioning Progress m Building Demolition o Turbine Building Monolith o Waste Warehouse o Safe Shutdown Building .1 o Fuel Transfer Enclosure o Plant Vent Stack 4
Update of Decommissioning Activities I1 i Cutting of the Metal Vapor Container ____
5
Timeline of LTP Activities
. f rS .
Section 6 Appendices FSS (0undw03 inabal Sd Sensitviy 1(2I1012004) I jCak Submitta ftg at Slte (512003)1 J(W43 FodItkup Dose Modeling N RC LTP Im W20) P ,IoiRpt' c,
Soil and bunading Vocupancy OvUL I land Area Factors Caks (1/19/2004)
I Sep--02 Speclal Tqi' 2 0 g(6/ 03)I RC Dose NRC Cal Modellig Mtg 1(3WA0)
Tech Rpt on Dose Integrtion Parameter 1(111122004) I IGroundwater CompendiumI VIoumretrc
(<5t192003) I Ilnbrii Groundwater RptI C~onorete Cale.
I (3142004)
P12=0n04) 6 Co I
License Termination Plan
- General Information
- Summary of Historical Site Assessment ii Identification of survey areas iDInitial classification of survey areas Li Radionuclides of interest L Known groundwater information L Areas of additional investigation
- Subsurface areas
- Groundwater
- Remaining Decommissioning Activities and Remediation Plans 7
License Termination Plan (Con't)
- Dose Modeling Methodology
- Criteria, scenarios, and codes used
- Calculations sent separately
- Input/output details provided in appendices
- Final Status Survey Methodology
- Follows MARSSIM
- Groundwater and subsurface considerations
- Financial Information
- Supplement to the Environmental Report 8
Dose Modeling Calculations
- Calculations provided:
- For soil and building surfaces:
- Parameter sensitivity
- Parameter values
- DCGLs
- Area Factors
- For concrete:
- Correlate residual radioactivity and dose
- Establish DCGL corresponding to 0.5 mrem/yr
- LTP Section 6 Appendices Summarize Information from CaIcs (Inputs and Results) for Soil and Building Surfaces 9
Historical Site Assessment C Basis Document for Site Characterization and Survey Area Classification
- Describes:
0 Operational history and impacts o Events and spills o Potential for subsurface contamination o Past remediation efforts o Underground systems
- Summarizes:
o Historical sample data o Statistics on open land area data (SOF, mean, median, std dev)
- Includes CD with Scanned References (Organized by Survey Area) 10
Hydrogeologic Report of 2003 Supplemental Investigaton
- Supplements "3rd Quarter Interim Groundwater Report"
- Summarizes Well Drilling Methods and Construction
- Identifies Local Stratigraphy
- Discusses Hydraulic Gradient and Groundwater Flow
- Identifies Sample Analyses Performed
- Gamma spec L Tritium and gross alpha/beta
- Hard-to-detects (including transuranics)
- Discusses Sample Analyses Results u Tritium only plant-related radionuclides identified
- Provides Updated Tritium Plume Maps
- Describes Three-Dimensional Investigation 11
Shallow Tritium Plume (Nov. 2003) 12
Intermediate Tritium Plume (Nov. 2003) 13
I Three-Dim-ensional Investigation D D ifut r4 12M UMWNT IL f VIA NovV
'23 m Ca.OnRnT COCA)
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NOTDETECTED UNIT OF20WpC H*o*QCMns frD. D' Jtwyk-0 i m 14 CQ L-
Related Activiti es - 2004
- FSS Activities u Assembling FSS staff o Developing FSS plans and procedures o Considering methodology to survey excavations m Site Closure Project Plan
- PCB Remediation of Sherman Reservoir
- Continued Stakeholder and Community Outreach 15
Future Communications with NRC mRegular Meetings mPeriodic Calls
- Early Identification of Concerns
- Path to Close Issues Before RAI Issuance 16