A lot of folks in York are surprised to learn that radon can be a real concern in our historic rowhomes, especially those with basements or ground-floor units. The gas seeps up from the ground and gets trapped inside, and because these old houses are often drafty in different ways, it's not always obvious. I've heard stories from neighbors who tested their homes and found levels higher than they expected, which got them looking into simple mitigation systems. It's one of those things that's eas… radon in York rowhomes 8