Proficiency testing in highly mineralised mineral waters and sparkling waters:

- 90 Chemical analyses in sparkling waters

- 90A Chemical analyses in highly mineralised mineral waters

- 90B Dissolved carbon dioxide in sparkling waters

- 93 Dry residue in atypical natural mineral waters

- 3E Metals in sparkling waters

- 3F Metals in highly mineralised mineral waters

- 92 BTEX and COV in atypical and non-atypical mineralised waters

Find the description of these programmes on the pages 'base parameters and indicators in waters', 'metals in waters' and 'organic pollutants in clean waters'