cadmium
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- n a soft bluish-white ductile malleable toxic bivalent metallic element; occurs in association with zinc ores
- Number of people potentially affected: 255,000 Type of pollutant: Lead and cadmium Source of pollution: Lead mining and processing When rich deposits of lead were .
- The Ultramax, which reduces levels of such harmful compounds as lead, copper, mercury and cadmium, holds enough water to fill about 18 8-oz.
- Home to the world's largest heavy metal smelting complex, more than 4 million tons of cadmium, copper, lead, nickel, arsenic, selenium and zinc are released into the air every .