the arsenic content of most waters was below 1 mug l ( -1 ) but the statutory limits of 50 ug l ( -1 ) for natural mineral waters and 100 mug l ( -1 ) for non-alcoholic beverages were exceeded by the french mineral water , vichy celestins ( 220 ug l ( -1 ) ) .
C0043047
waters
C0026157
mineral water