supply of laboratory items and spares for idgah hills laboratory under zone no.02 , edta n/50 500 ml , sulphuric acid n/50 500 ml , ammonia buffer solution ® b 500 ml , 0.0141 silver nitrate solution 500 ml , o.t. solution 500 ml , tissue paper roll , 100 ntu(turbidity meter calibrator)500m (make sigma aldrich) 500 ml , glass dropper bottle 250 ml , amber colour burette 50 ml , mannual pipette controller 10ml , conical flask cleaning brush , test tube cleaning brush , breaker cleaning brush , reagent bottle cleaning brush compatible with 250ml,500ml,1000ml and 2000ml regent bottle , breaker 500ml , membrane filter apparatus(for total coliform and ecoli test)including an electric vaccum pump,a vaccum flask (e.g.an erlenmeyer side arm flask)and a filter support , residual glass petri dish 60mm x 15mm , blunt ended forceps , membrane filter with nutrient absorbent pads 47mm in diameter with a pore diameter of 0.45 micro meter singly packed pre sterlized membranes nutrient absorbat discs about 1 mm thick with the same diameter as the membrane filters , m7 fc agar 500g , free chlorine low and medium range test kit with checker disc.(chloroscope)