Cesium-137 fallout reaches the earth's surface mostly as a result of precipitation, and is strongly and rapidly adsorbed by fine soil colloidal particles such as clay minerals and organic matter in the topsoil.
Cesium-137 fallout reaches the earth's surface mostlyas a result of precipitation, and is strongly and rapidly adsorbed byfine soil colloidal particles such as clay minerals and organic matter inthe topsoil.