DTN identifies all suppliers’ utilizing TABS at the rack that receive BOLs. The BOL contains details about what product(s) were lifted and volume. The BOL lifting data is aggregated for every rack and grade DTN has data for. New figures are generated for the previous day each day at 3 am cst. Quality control measures are in place to prevent any BOL getting counted more than once. Please refer to question #5 for more details on how aggregation changes when there are less than 3 suppliers for a rack/grade combination.