Rice, lettuce, kidney beans, peas, potatoes
Ceiling tiles, fertilizers, detergents, charcoal, kitty litter, concrete block, concrete floors, metals, roofing materials
Cement, oil & oil dry, metals, sandpaper, abrasive blasting agents (used to replace sand), grinding wheels, welding rods
Nuclear weapons, aerospace industry, fluorescent tube lights made before 1949, manufacturing of electronic devices, dental appliances, golf clubs, non-sparking tools, wheel chairs. Found as a component of coal, oil, certain rock minerals, volcanic dust, and soil. Can come from nearby factories and mines or by uncontrolled burning of fossil fuels.