...attached to the wall. Often filled with an inert gas and fitted with a filtered ventilation system. Half-life. The time it takes for one-half of any given...to decay. Each isotope has its own characteristic half life. They range from small fractions of a second to billions of years. Hanford Site. A 570-square-mile...

...attached to the wall. Often filled with an inert gas and fitted with a filtered ventilation system. Half-life. The time it takes for one-half of any given...to decay. Each isotope has its own characteristic half life. They range from small fractions of a second to billions of years. Hanford Site. A 570-square-mile...

...setting that provides isolation of the radioactive waste. Half-life. The time it takes for one half of any given number of unstable atoms to decay. Each isotope has its own characteristic half- life, ranging from small fractions of a second to billions of years. Heavy metals. Metallic elements...

..."mixed" radioactive and hazardous waste as being subject to both Atomic Energy Act and RCRA requirements. Half-life: The time it takes for one-half of any given number of unstable atoms to decay to another nuclear form. Each isotope has its own characteristic half-life. They range from millionths...