Lot I: Supply of reagents for chlorination (chlorine and distilled water unit prices).

Lot II: Supply for denitrification (salt and pure sodium chloride).

Supply of reagents for chlorination which includes 2 supplies:

A) Sodium hypochlorite with a type of tender of 0.55 euros / kg that will be used to submit offers down (CPV 24311900 "Chlorine");

b) Distilled water: with a type of tender of 0.25 euros / liter that will be used to submit offers down (CPV 243160000-2 "Distilled water").

The object is the supply of denitrifying salts with a bidding base price 0.35 EUR / kg.