Defense National Stockpile Center

#	Item
41	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2013-04-19 13:52:36 Beryllium Occupational safety and health Toxicology Ulba Metallurgical Plant Kazatomprom Brush Engineered Materials Pit Bertrandite Defense National Stockpile Center Chemistry Matter Metals
42 $Refractory metals / Transition metals / Tantalum / Capacitors / Niobium / Defense National Stockpile Center / Coltan / Chemistry / Matter / Chemical elements$	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2002-02-14 13:36:46 Refractory metals Transition metals Tantalum Capacitors Niobium Defense National Stockpile Center Coltan Chemistry Matter Chemical elements
43	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2008-02-06 11:44:26 Chemical elements Periodic table Defense National Stockpile Center Restriction of Hazardous Substances Directive Scrap Copper Bronze Chemistry Matter Tin
44 $Transition metals / Refractory metals / Tantalum / Niobium / Capacitors / Hafnium / Defense National Stockpile Center / Coltan / Matter / Chemistry / Chemical elements$	PDF Document Add to Reading List Source URL: minerals.usgs.gov Language: English - Date: 2005-01-12 14:30:56 Transition metals Refractory metals Tantalum Niobium Capacitors Hafnium Defense National Stockpile Center Coltan Matter Chemistry Chemical elements