At source and during its marketing, a natural mineral water shall be free from: (a) parsites and pathogenic micro-organisms;
(b) Escherichia coli and other coliforms and faecal streptococci in any 250 ml sample examined;
(c) sporulated sulphite-reducing anaerobes in any 50 ml sample examined;
(d) Pseudomonas aeruginosa in any 250 ml sample examined.
