Establishment of an annual Framework Contract, renewable twice a maximum, for the supply of chemical products for STEG’s electricity production fleet.

Commercial Sodium Hydroxide 30% to 32% (sodacaustic) Commercial Sodium Hydroxide 48% to 50% Commercial Sodium Hydroxide in scales or in 98% NaOH Sodium Hypochlorite Solution from 120 to 130g/l in active chlorine Sodium Hypochlorite Solution of 152 to 160 g/l in active chlorine Calcium Hydroxide Hydrated lime (slaked) Sodium chloride 98% Sodium Bisulfite 30%-35% SLS sodium lauryl sulfate 70±5% Ammonia 24% Trisodium phosphate18% Hydrochloric Acid 30%-33% Citric acid monohydrate 15% Pure citric acid monohydrate Ferric chloride 38%-42% Ferric chloride 33% to 35% Pure Ethylene Glycol Antifreeze Strong mentacid cation exchange resin SILICAGEL orange or dark green grain3/6mm NALCO PERMATREAT PC 1020T Anti grouper scaling equivalent approved HYDRANAUTICS / AEN NALCO PERMATREAT PC 191T Anti scaling for reverse osmosis membranes NALCO PERMACLEAN PC 97 Alkaline Tolerant Reverse Osmosis Membrane Cleaning Detergent NALCO perma clean PC 77 cleaning detergent for reverse osmosis membrane NALCO 77352 Non-oxidizing biocide NALCO Trac 109 anti-corrosion and anti-scale NALCOELIMIN-OX:OXYGEN SCAVENGER Chemical Oxygen Eliminator NALCO 72215 GENESOL 80 Non-oxidizing biocide DBNPA GENESOL 40 Alkaline cleaner for reverse osmosis membrane GENESYSLS Anti-scale for seawater reverse osmosis membrane GENESYSLF Anti scaling for seawater reverse osmosis membrane Filter X5120 POLYMER or equivalent Manufacturer approved SPECTRAGUARD100 Anti-scalant/Dispersant for reverse osmosis membrane (sea water) or equivalent Turbo-K Concentrate (1:4) TG Compressor Cleaner TURBOTECT 927 COMPRESSOR CLEANER