Devon County Council

• Non-technical Summary (95KB - pdf help)

COMBINED PHASE I AND PHASE II SITE INVESTIGATION AT NORTHAM BURROWS FORMER LANDFILL AND WASTE RECYCLING SITE - January 2009

Cover (28KB - pdf help)

Centents (20KB - pdf help)

EXECUTIVE SUMMARY (62KB - pdf help)

SECTION 1 (23KB - pdf help)

INTRODUCTION

1.1 Terms of Reference
1.2 Background
1.3 Context and Objectives
1.4 Scope of Works
1.5 Limitations

SECTION 2 (135KB - pdf help)

SITE SETTING

2.1 Site Referencing Information
2.2 Site Setting and Surrounding Environment
2.3 Historical Development & Potentially Contaminative Land Uses
2.4 Site Reconnaissance
2.5 Consultation with former employees
2.6 Consultation with Authorities
2.7 Previously Prepared Reports
2.8 Aerial Photographs
2.9 Anecdotal Information

SECTION 3 (74KB - pdf help)

ENVIRONMENTAL SETTING

3.1 Geological and Hydrogeological Information
3.2 Geological Constraints
3.3 Hydrological and Drainage Information
3.4 Recorded Landfill Sites
3.5 Sensitive Land Uses
3.6 Industrial and Statutory Consents

SECTION 4 (56KB - pdf help)

ENVIRONMENTAL RISK ASSESSMENT

4.1 Introduction
4.3 Potentially Contaminative Historic Land Uses
4.4 Conceptual Site Model (CSM)
4.2 Managing risks from land contamination

SECTION 5 (97KB - pdf help)

SITE INVESTIGATION

5.1 Rationale for Site Investigation and Specific Objectives
5.2 Methods of Site Investigation
5.3 Laboratory Analysis
5.4 General Ground Conditions
5.5 Buried Structures
5.6 Groundwater Observations
5.7 Surface Water Observations
5.8 Photo Ionisation Detector (PID)
5.9 Soil Gas Emissions (CH4, CO2 and O2)
5.10 Quality Assurance / Quality Control
5.11 Ground Conditions and Hydrogeology

SECTION 6 (170KB - pdf help)

GENERIC QUANTITATIVE RISK ASSESSMENT

6.1 Context and Objectives
6.2 Numerical Assessment Criteria - Soils
6.3 Soil Analysis Results
6.4 Assessment Criteria – Water, Leachate and Eluate
6.5 Groundwater Analysis Results
6.6 Eluate Analysis Results
6.7 Soil Gas and Vapour

SECTION 7 (118KB - pdf help)

ASSESSMENT OF RESULTS

7.1 Risk Assessment - Land Quality Impacts
7.2 Risk Assessment – Ground Gas
7.3 Review of Pollutant Linkages Following Site Investigation

SECTION 8 (57KB - pdf help)

CONCLUSIONS AND RECOMMENDATIONS

8.1 Conclusions
8.2 Current Situation
8.3 Soil
8.4 Leachate and Groundwater
8.5 Ground Gas
8.6 Risk Posed From Inundation
8.7 Recommendations
8.8 Remedial works

GLOSSARY (21KB - pdf help)

REFERENCES (802KB - pdf help)

APPENDICES

Appendix A Landmark Envirocheck Report (4.84MB - pdf help)
Appendix B Aerial Photos (3.38MB - pdf help)
Appendix C Responses from Authorities (4.17MB - pdf help)
Appendix D Previous Reports (2.04MB - pdf help)
Appendix E Site Investigation Details (4.82MB - pdf help)
Appendix F Analytical Data (3.56MB - pdf help)
Appendix G Risk Assessment (Supporting Information) (348KB - pdf help)
Appendix H Service Plans (372KB - pdf help)
Appendix I General Notes (45KB - pdf help)