Foreword

Introduction

1Scope

2Normative references

3Terms and definitions

4Quality assurance

4.1General

4.2Sampling process

5Procedures, documents and data

5.1Procedures

5.2Documents and data management

5.3Audits

6Personnel

6.1Knowledge and experience

6.2Safety

7Communication

8Equipment

8.1Choice of equipment and general requirements for use

8.2Calibration of equipment and servicing

8.3Influence on results

9Taking samples

9.1Sampling

9.2Quality control samples

9.2.1Blind replicate samples

9.2.2Split samples

9.2.3Trip blanks

9.2.4Field blanks

9.2.5Evaluation of quality control sample results

9.3Preservation

9.4Storage and transport

Bibliography