They would probably spike off the meter if you gave them a dental x-ray or two, too. You get a lead apron when they operate the x-ray machine, after all. It is entirely possible that the average person in the city surrounding TMI received two dental x-ray's-worth of ionizing radiation.
Well, I was there. My neighbor's son, a nuclear physicist with the government, called her on the first day of the crisis and told her to GET THE HELL OUT OF TOWN.
She and all the neighbors did just that.
By the second day, all the doctors and nurses left.
By the third day, you couldn't get gas at the gas station or cash from the ATM because all the SMART people had drained them before evacuating.