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Summary of analytical precision requirements in international agreements in respect of analysis of all determinands
| Determinand | LoD | CP | A | Agreement |
| Physico-chemical | ||||
| Dissolved oxygen1 | nd | nd | nd | Baltic Sea 1974/92 |
| Salinity2 | nd | nd | nd | Baltic Sea 1974/92 |
| Temperature3 | nd | nd | nd | Baltic Sea 1974/92 |
| Radioactivity | ||||
| Radioactivity-alpha | <2% of lower limit of detection | nd | nd | Regensburg Danube 1987 |
| Radioactivity-alpha | 0.02 | nd | <2% of lower limit of detection | Regensburg Danube 1987 |
LoD limit of detection
CP precision criteria
A accuracy
1. Regular checks on reproducibility required.
2. Salinometer must be standardised with IAPSO standards.
3. Temperature measurement must be calculated once every two years. Standard method stipulated.
For references, please go to https://www.eea.europa.eu/publications/92-9167-003-4/page025.html or scan the QR code.
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