Figure 4. Bar diagram showing the concentration of Radon before and after storage

From

Radon Concentrations in Tap and Ground Water in Kirkuk Governorate Using Active Detecting Method RAD7

Ahmed Abad Ibrahim, Issa Zainalabdin Hassan, Sara Hlal moklofe

International Journal of Physics. 2017, 5(2), 37-42 doi:10.12691/ijp-5-2-1