supply of supply of chemicals/consumables , supply of chemicals/consumables required for effluent testing of bio-digester tanks in passe nger coaches, consisting of (1) cod reagent hr, (25 pre-dosed glass vials per packet)make: lovibond or equivalent, range: 0-15000mg/l - 36 pkts (2) culture media for bacteria detection and enumeration of faec al coliform bacteria. make: a1 broth m874 himedia or equivalent., pack size 500gm. - 6 nos (3) culture m edia for isolation and differentiation of gram-negative enteric bacteria. make: emb agar m317 of himedia or equivalent, pack size: 500gm. - 6 nos (4) ferroin solution ar 0.025m,(redox indicator)make : loba or equivalent - 06 nos [ warranty period: 24 months after the date of delivery ] ]