The testing process, called “hot commissioning,” will introduce radioactive waste to the plant for the first time and verify ...

Environmental cleanup is underway at the 580-square-mile Hanford nuclear reservation. The underground radioactive waste storage tanks and the vitrification plant are in the center of the site.

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Nuclear testing done above ground in the 1950's may have increased risk for thyroid cancer in some children due to exposure to radioactive iodine in milk, according to the American Cancer Society.