work services to carry out water quality test before filteration and after filtration of borewells pumps houses installed at 764 asc bn and nepalipatti work services to carry out water quality test before filteration and after filtration of borewells pumps houses installed at 764 asc bn and nepalipatti , (a)chemical analysis (turbidity, ph total hardness, iron, chloride, suplhates, fluorides, nitrates, calcium, arsenic) of raw water (before filteration) and filtered water (after filteration) for 764 asc bn, pump house from government laboratory including collection of water sample and arrangements for sending the water to laboratory to carry out testing and submission of test report complete all as specified and directed. – 01 no job note: set of one borewell (both before and after treatment) will be measured and paid as one job. (b)chemical analysis (turbidity, ph total hardness, iron, chloride, suplhates, fluorides, nitrates, calcium, arsenic) of raw water (before filteration) and filtered water (after filteration) for nepalipatti pump house from government laboratory including collection of water sample and arrangements for sending the water to laboratory to carry out testing and submission of test report complete all as specified and directed. – 01 no job note: set of one borewell (both before and after treatment) will be measured and paid as one job. => limited