us international trade commission magnesium from china and russia investigations nos 731 ta 1071 1072 preliminary publication 3685 april 2004 washington dc 20436 commissioners deanna tanner okun chairman jennifer a hillman vice marcia e miller stephen koplan charlotte r lane daniel pearson robert rogowsky director of operations staff assigned fred fischer investigator john benedetto economist vincent desapio industry analyst charles yost accountant auditor lita david harris statistician peter sultan attorney george deyman supervisory address all communications to secretary the united states www usitc gov invs p i contents page determinations views 1 3 separate commissioner 23 part introduction background previous 2 countervailing duty antidumping five year review 4 other organization report summary data presented in 5 nature