Proficiency testing in highly mineralised mineral waters and sparkling waters:

3E Metals in sparkling waters

3F Metals in highly mineralised mineral waters

90 Chemical analyses in sparkling waters

90A Chemical analyses in highly mineralised mineral waters

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

93 Dry residue in atypical natural mineral waters
94 PAHs and organochlorine pesticides in carbogaseous waters