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The Environmental Restoration Disposal Facility (ERDF) is a waste disposal facility located at the Hanford Nuclear Reservation in Richland, Washington, U.S.. Built in 1996, ERDF collects low-level waste, mixed waste, and other hazardous materials that are generated at Hanford.
The Hanford Site is the most polluted area in the US, though cleanup started decades ago.. Estimates say it will take decades more and up to $640 billion to finish the job. The site just received ...
The Hanford Site occupies 586 square miles (1,518 km 2) – roughly equivalent to half the total area of Rhode Island – within Benton County, Washington. [1] [2] It is a desert environment receiving less than ten inches (250 mm) of annual precipitation, covered mostly by shrub-steppe vegetation.
High-level waste will be processed and vitrified later in a separate process. [3] The Hanford Site is currently storing 56 million gallons of radioactive waste in aging underground tanks, legacy waste from plutonium production efforts during World War II and the Cold War. The majority of the waste in the tanks is low-activity waste liquids. [4]
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The 300 area is a restricted-access area to maintain safety due to industrial use. The soil around the complex in several locations is contaminated as described in the 300 Area final record of decision. There are waste burial grounds to the north with higher level radiation that have had hundreds of thousands of tons of soil removed.
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