Threshold: under discussion
Threshold
- Global or Geochemical Reference Network
- Terminology
- Site Location and Sampling Media
- Sample Quantities
- Laboratory Arrangements
- Pitfalls to avoid
- Radioelement mapping
- Field methods for Regional Surveys
- Sample preparation
- Geoanalytical recommendations
- Quality control requirements
- Database management
- Levelling of existing data
- Map presentation
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