ML19085A542

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Cimarron Environmental Response Trust Decommissioning Project Overview
ML19085A542
Person / Time
Site: 07000925
Issue date: 03/26/2019
From:
Burns & McDonnell Engineering Co, Environmental Properties Management
To: Kenneth Kalman
Document Control Desk, Division of Decommissioning, Uranium Recovery and Waste Programs, State of OK, Dept of Environmental Quality (DEQ)
Shared Package
ML19085A541 List:
References
Download: ML19085A542 (20)


Text

Cimarron Environmental Response Trust Decommissioning Project Overview Presented to:

U.S. Nuclear Regulatory Commission Oklahoma Department of Environmental Quality

Cimarron Site Location

Contaminants of Concern

  • Federal
  • Feedstock - Low-Enriched Uranium (1-5%)
  • From Contaminated Recycle - Technitium 99
  • State
  • From UF6 Feedstock - Fluoride
  • Processed w/ Nitric Acid - Hence Nitrate

Licensing History

  • Issued 1965
  • Renewed 1983
  • SNM-1174 - Mixed Oxide Fuel Production Issued 1970 Terminated 1993
  • 35-12636 Source Material License for Sealed Sources Issued 1965 Terminated 1998

Decommissioning History Impoundments

  • 1978 - Decommissioned
  • 2001 - Released from License Buildings
  • 1990 - MOFF Decommissioned
  • 1993 - MOFF License Terminated
  • 1997 - All Buildings Decommissioned
  • 2002 - All Buildings Released Soil
  • 2001 - Decommissioned
  • 2013 - Confirmed

Licensee History

  • 1965 - Kerr-McGee Nuclear Corporation
  • 1985 - Sequoyah Fuels Corporation
  • 1988 - Cimarron Corporation
  • 2000 - Cimarron Corp. transferred to Tronox
  • 2005 - Tronox spun off from Kerr-McGee
  • 2009 - Tronox files bankruptcy
  • 2011 - Cimarron Environmental Trust Created

Cimarron Environmental Response Trust

  • Beneficiaries
  • NRC
  • Funding
  • Tronox initial funding
  • Letter of credit
  • Anadarko litigation
  • Income from oil & gas leases
  • Four Trust Accounts
  • Administrative Account
  • Federal Cost Account
  • State Cost Account
  • Standby Trust Objective - Remediate to Federal and State Criteria

CERT Property Disposition

Hydrogeologic Overview

Remediation Goals Federal

  • Uranium - 180 pCi/L (110 - 180 µg/L)
  • Technitium 99 3,790 pCi/L (NRC) 900 pCi/L (EPA)

State

  • Nitrate
  • PBA - 52 mg/L
  • Site-Wide - 22.9 mg/L
  • Fluoride - 4 mg/L

Pre-CERT Groundwater History

  • 1995 - Decommissioning Plan - MNA in BA1
  • 2002 - Well 1319
  • 2003 - Propose In-Site Bio
  • 2005 - Site-Wide Groundwater Assessment
  • 2006 - Decommissioning Plan - In-Situ Bio
  • 2009 - Decommissioning Plan - In-Situ Bio
  • 2011 - Cimarron Environmental Trust Created

CERT Groundwater History

  • 2011 - Evaluation of Technologies
  • 2012 - Phase 1 - U Only; Phase II - All COCs
  • 2013 - IX Treatability Tests
  • 2014 - Delineate to MCL
  • 2015 - Decommissioning Plan
  • 2017 - Pilot Test
  • 2018 - Decommissioning Plan - Rev 1

Hydrogeology of BA1

Uranium in BA1

Uranium in Western Areas

Nitrate in Western Areas

Current Licensed Site

Proposed Licensed Sites BA1 Western Area