28441000

NATRL URANIUM/NATRL URANIUM CMPNDS

28442000

URANIUM ENRCHD IN U235 & ITS CMPNDS; PLUTONIUM & ITS CMPNDS;ALLYS,DISPRSNS (INCL CERMETS),CERAMIC PRDCTS & MXTRS

28443010

URANIUM DPLTD IN U235 & THRIUM & THR ALLYSUNWROUGHT OR WROUGHT & THEREOF,NES

28443021

THORIUM OXIDE

28443022

THORIUM HYDROXIDE

28443023

THORIUM NITRATE

28443029

OTHER COMPOUNDS OF THORIUM

28443030

WASTE & SCRAP OF URANIUM DEPLETED IN U235 AND OF THORIUM

28443090

OTHER COMPOUNDS OF URANIUM

28444000

RADIOACTV ELMNTS & ISOTOPS & COMPOUNDS BESIDES SUBHDG NO 284410,284420/284430 CERAMIC PRDCTS

28445000

SPENT((IRRADIATED) FUEL ELEMENTS (CARTRIDGES)OF NUCLEAR REACTORS