The Natural Mineral Water, Spring Water and Bottled Drinking Water (Scotland) (No. 2) Regulations 2007 No. 483

SCHEDULE 4 Exploitation and bottling requirements for natural mineral water and spring water

6.—(1) The revivable total colony count of the water at source, determined according to sub paragraph (2), shall conform to the normal viable colony count of that water and must not show that the source of that water is contaminated.

(2) The water colony count is that determined per ml of water–

(a) at 20 to 22°C in 72 hours on agar agar or an agar gelatine mixture;

(b) at 37°C in 24 hours on agar agar.