collection prepration and analysis of samples of limestone at sanu mines jaisalmer collection preparation of sample its chemical , size analysis at sanu limestone mines and jaisalmer , sanu railway siding , at mines : collection and preparation of sample from drill cuttings of each blast hole/ mine face and chemical analysis of composite sample of each blast hole/mine face to determine cao , mgo , sio2 , al2o3 , fe2o3 and loi . , at mines : daily collection of sample of high and low silica rejects and composite it on weekly basis & preparation for chemical analysis once in a week for each crushing plant separately at mines . , at mines : collection of samples from stacks , conveyor belt on regular 2 to 3 hours basis and its size analysis for each crushing plant separately at mines & chemical analysis of composite sample on per production shift per plant basis to determine cao , mgo , sio2 , al2o3 , fe2o3 and loi . , at jaisalmer/sanu railway siding collection and preparation of samples for its size and chemical analysis of pre-dispatch inspection and during loading into wagons , strict loading supervision and correct assessment of volume of loaded quantities ( for consumer other than tata steel ) .