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Contaminated Land Management Guidelines No.5

Acknowledgements

Executive Summary

1 Introduction

2 Principles of Site Investigation

3 Preparing for Fieldwork and Soil Sampling

4 Laboratory Analysis

5 Basics of Data Interpretation

Appendix A: Example of a Job Safety Analysis Form and an Example Table of Contents for an HSEP

Appendix B: Guidance on Sample Numbers

Appendix C: New Zealand Geomechanics Society Terminology for Description of Soils

Appendix D: Sample Containers and Holding Times

Appendix E: Chain of Custody

Appendix F: Determination of Method Detection Limits

Appendix G: Possible Analytical Methods

Appendix H: An Example of In-house QC from a New Zealand Laboratory

Appendix I: Notes on the Upper Confidence Limit

Appendix J: Example of Determining Uncertainty Using Replicates

Glossary

References

Additional Information

Appendix J: Example of Determining Uncertainty Using Replicates

Table A12: Summary of duplicated samples

Table A13: Extracted precision data [This method assumes that samples themselves were replicated at each location, so that the variation measured represents the sum of analytical and sampling variation.]

View extracted precision data (large table)