Dioxin Concentrations in Residential Soil, Paritu, New Plymouth

September 2002 Ref. ME640

This study measured dioxin in soils at residential properties in the New Plymouth suburb of Paritutu. It was undertaken because of longstanding community issues with the history of dioxin emissions from a chemical plant located in the suburb.

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  • Introduction and executive summary (417 KB)
  • Section 1: Introduction (237 KB)
  • Section 2: Background (762 KB)
  • Section 3: Study Design and Site Investigation (613 KB)
  • Section 4: Dioxin Concentration Results (1.76 MB)
  • Section 5: Comparison with International Guidelines (156 KB)
  • Section 6: Conclusions (114 KB)
  • Section 7: References (107 KB)
  • Appendix A: Background Information on PCDDs and PCDFs (220 KB)
  • Appendix B: New Plymouth Historical Soil Investigations (1.07 MB)
  • Appendix C: Study design (125 KB)
  • Appendix D: Summary of NZ and Overseas Soil Guidelines for Dioxin (194 KB)
  • Appendix E: Property Information Sheets (1.23 MB)
  • Appendix F: Laboratory Analysis Methods and Analytical Certificates
    • F1: Sample Preparation and Analysis Procedures for TCDD and Full Congener Dioxin Analysis (1.22 MB)
    • F2: Determination of 2,3,7,8-TCDD Levels (1.56 MB)
  • Appendix G: Abbreviations and Terms (90 KB)
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