Recently our plant staff had a hard time exiting the protected area, alarming the PM-7's.
Conditions: After weeks of no rain we experience two straight days of rain on the second day the temperature dropped significantly. We took water samples from standing puddles and found radon products. So the perfect radon storm, encapsulation, temperature inversion, displacement and entrapment. How does your station deal with radon problems? Raymond Rouse Watts Bar
