>>donna weh and i ve spoke ny timesshe had--a ver evated aunt of unium in her well water. she also had radon in her water and radon in her home air. so her family was exposed to quite a bit of environmental toxicity. uranium will break down to radon, radium. they are classified as carcinogens. i think it would be very interesting to find out exactly what the source of the uranium contamination is, largely because her case was a little severe. i think it's a little unusual. >> now donna has no safe well water coming to her home and must rely on bottled water for everyday needs. >> you can imagine how many i go through and just the, um, you knownot being able to just have the simple convenience of running water in your home that's--that's safe. so it's a-- it's a chore. >> the story isn't much different in one tri-county area of pennsylvania. instead of one coal-fired power plant, there are 6. unlike plant scherer, which burns pure coal, these plants are burning coal waste left over by previous mining. coal waste, also called culm, can now be burned to generate power. but th