When conditions are favorable, it may get into drinking water by runoff into surface water or leaching into groundwater. This organic chemical is an impurity in the production of some pesticides. It may get into drinking water by industrial discharge of wastes. Beta activity at the MCL is most likely attributed to man-made products. It accumulates in the bone and blood.
Radium is present in trace amounts in all rock and soil.
However, it is sometimes found in relatively high concentrations in certain rock formations.