This document gives guidelines for the principles and main methods for the determination of background values for inorganic and organic substances in soils at a local/regional scale. The site scale is excluded. It gives guidelines for sampling and data processing strategies. It identifies methods for sampling and analysis. This document does not apply to the determination of background values for groundwater and sediments.
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Sisällysluettelo
Foreword
1 Scope
2 Normative references
3 Terms and definitions
4 General
5 Procedures
5.1 General
5.2 Objectives and technical approaches
5.3 Evaluation of existing data
5.4 Collection of new data
5.5 Data processing and presentation
6 Data handling/quality control
Annex A Outlier tests (informative)
Annex B Examples of the main substances and parameters (informative)