Take selenium, some silver, a multivitamin w/o iron Now Foods 3771, and 2 grams of chlorella every evening for a year, the radiation level should fall.
Remember, chlorella pulls out not only toxins but trace metals as well, and you need a lot of them, so you must supply them, as well as remove the bad ones. Only way to remove radiation metals is using chlorella, the Russians used a lot of it after their reactor melted down.