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15 Operation and Maintenance Instructions Page 109 15 Operation and Maintenance Instructions 15.1 Water Supply 15.1.1 Notes and requirements for water quality · Requirements for water quality · Recommendations for water quality for poultry Parameter Unit Recommend ed limit value Remarks Total germs quantity/ ml 100 - Coliforms quantity/ ml 0 - Nitrate mg/l 25 Values between 3 and 20 mg/l are already able to impede development. Nitrite mg/l 4 - Chloride mg/l 250 Values of about 14 mg/l can already be a damage if the sodium value is higher than 50 mg/l. Copper mg/l 0,6 Higher values cause a bitter taste. Lead mg/l 0,02 Higher values are toxic. 50 Values above 50 mg/l cause a bad development in case of high chloride or sulphate values. Sodium mg/l Sulphate mg/l 250 Higher values cause diarrhoea. In case of high chloride or magnesium values, development is impeded with more than 50 mg sulphate/l. Zinc mg/l 1,5 Higher values are toxic. Assembly manual Drinking systems Edition: 08/98 n M 707 GB
