Name	Sierra Fría
Web	http://www.valenciadealcantara.net/Chumacero.htm
Type of water	Mineral natural
Spring	El Chumacero
Place of exploitation	Valencia de Alcántara (Cáceres)
Source of data	analysis 22-6-05
Sodium (mg/l)	4.4
Fluoride (mg/l)	0.15
Calcium (mg/l)	1.13
Chloride (mg/l)	4.83
Potassium (mg/l)	0.9	Sulfates (mg/l)	1.09
Magnesium (mg/l)	0,68	Nitrates (mg/l)	7.23
Bicarbonates (mg/l)	6	Total dissolved solids (mg/l)	43
Comments	Suitable to prepare feeding bottles of
adapted formula ( Na < 25 ) and follow-up formula ( Na < 50 ) Fluoride < 0.3