supply and delivery of consumables for testing raw treated water of arsenic iron removal plants airps through on-site mobile analysis system omas as per direction of eic under public health engineering department, government of west bengal - supply and delivery of consumables for testing of the following parameters (raw & treated water):1. arsenic2. iron3. manganese4. residual chlorinefor 50 test each of raw & treated water for 120 omasat each airp site i.e. 100 consumables (50 raw & 50 treated water) for each site as per detailed in scope of work. the expiry date of the consumables should not be less than 12 months from the date of supply of to the respective laboratories. 2 sample collection, testing & uploading charges of the airp operators