BRUCE HEAVY WATER PLANT DECOMMISSIONING PROJECT

Bruce Heavy Water Plant Decommissioning
Environmental Assessment Study Report
Ontario Power Generation
Final Submission to CNSC
LIST OF TABLES
Page No.
2.1 Comparison of the Decommissioning Options........................................................... 2-2
2.2 Comparison of the Decommissioning Options for the Enriching Unit Towers.......... 2-7
3.1 Chemicals Remaining in Use on the BHWP Site ....................................................... 3-7
3.2 Structures that will be Demolished During the BHWP Decommissioning Project.. 3-11
3.3 Buildings that will be Demolished During the BHWP Decommissioning Project .. 3-13
3.4 Site Services that will be Demolished During the BHWP Decommissioning
Project ....................................................................................................................... 3-16
3.5 Principal Hazardous Wastes ..................................................................................... 3-19
3.6 Summary of the Wastes Produced During the Demolition of Enriching Units
Nos. 3 and 8 (Mg) ..................................................................................................... 3-20
3.7 Scrap Estimate for the Proposed BHWP Decommissioning Project (Mg)............... 3-21
3.8 Approximate Schedule for BHWP Decommissioning ............................................. 3-31
3.9 Buildings and Structures that will Remain on the BHWP Site at the end of the
BHWP Decommissioning Project............................................................................. 3-33
3.10 Pipe Racks that will Remain on the BHWP Site at the end of the BHWP
Decommissioning Project ......................................................................................... 3-35
5.1 Stakeholder Briefings.................................................................................................. 5-3
5.2 Comments from Stakeholders – Period 1 ................................................................... 5-4
5.3 Comments from Government Agencies – Period 2 .................................................... 5-7
5.4 Comments from Stakeholders – Period 3 ................................................................... 5-8
6.1 Frequency Distribution (%) of Synoptic Weather Patterns at the Regional Level..... 6-2
6.2 Mean Temperature and Precipitation Normals (1961-1990): Regional Study Area .. 6-3
6.3 Wind Speed and Wind Direction Normals (1961-1990): Regional Study Area......... 6-4
6.4 Estimated Background Pollutant Concentrations in the Regional Study Area........... 6-9
6.5 Ambient Noise Levels at Noise-Sensitive Receptors ............................................... 6-12
6.6 Metal Parameters Exceeding MOE Guidelines ........................................................ 6-24
6.7 Summary of Groundwater Chemistry by Stratigraphic Unit .................................... 6-25
6.8 Groundwater Chemistry Upstream and Downstream of BHWP-1998..................... 6-27
6.9 Groundwater Chemistry on BHWP Site - 1998........................................................ 6-28
6.10 VECs and VSCs Selected for BHWP Decommissioning Project............................. 6-44
7.1 Bruce Heavy Water Plant Decommissioning Environmental Assessment........ follows 7-2
7.2 Potential Project/Environment Interactions (Indirect Effects).................................... 7-5
8.1 Assumed/Estimated Parameter Values for Emissions Estimation.............................. 8-2
8.2 Maximum Measured Soil Contaminant Concentrations............................................. 8-3
8.3 Estimated 24 Hour Average Soil Constituent Concentrations in Air Due to
Demolition Activities.................................................................................................. 8-5
8.4 Annual Project-Related Employment ....................................................................... 8-22
8.5 Property Tax Assessment on BHWP Buildings - 1998 ............................................ 8-26
8.6 Identification and Screening of Credible Events ...................................................... 8-30
viii December 2002