Measurements of environmental radiation doses due to natural radiation sources at Riyadh region,Saudi Arabia.

The ambient dose equivalent, H*(10), and the directional dose equivalent, H'(0.07), for indoor and outdoor natural exposure are measured in the Riyadh region, Saudi Arabia. The indoor H*(10) rate varies from 61 to 135 nSv h(-1), while it is in the range of 57-105 nSv h(-1) for the outdoor. The indoor and outdoor rates of H'(0.07) are in the range of 67-142… (More)