while the Marcellus shale, underlying Ohio, Pennsylvania, West Virginia, and New York, has tested the highest. Radium in its brine can average around 9,300 picocuries per liter, but has been recorded as high as 28,500. “If I had a beaker of that on my desk and accidentally dropped it on the floor, they would shut the place down,” says Yuri Gorby, a... See more