jim linscog is the first native of pleasanton to die in afghanistan. his hometown newspaper says the 23-year-old was killed by an ied on the way to a military airport. his mother was met at home by an army chaplain who gave her the news. the body will arrive at dover air force base after noon our time today. >>> those reports about radiation in the food and water supply are no longer limited to japan. researchers have detected very small amounts here. cheryl hurd is reporting on what's tainted. >> reporter: trace levels of radiation have been found in tap water and milk, but the levels are very, very low. but from a scientist's point of view, this is big news. scientists here at uc berkeley made a new discovery. >> she bought milk from our neighborhood store here, generaleric milk, and we decided to measure the levels last night. we do see some small amounts of iodine and 131 in our milk. >> reporter: sounds scary but uc berkeley nuclear engineer kyle vetter says we should not be alarmed. >> the amounts in the milk are still small. >> reporter: radiati