appendix b explanatory notes the following are provided to assist in understanding and interpreting data presented detailed statistics section of this publication note 1 petroleum supply reporting system 2 monthly 3 technical for tables 4 domestic crude oil production 5 export 6 quality control revision 7 frames maintenance 8 practical limitations collection efforts 9 2004 changes psrs represents a family survey forms processing systems that have been consolidated achieve comparability consistency throughout comprise listed below form number name eia 800 weekly refinery report 801 bulk terminal 802 product pipeline 803 stocks 804 imports 805 blenders 810 811 812 813 814 815
