California Beach Radiation Not From Fukushima http://t.co/NGmNDBwIfn

— Gus (@Gus_802) January 23, 2014

Surfer’s Beach Half Moon Bay Radiation Investigation, IMI http://t.co/DUhBP7Nza6

— Gus (@Gus_802) January 23, 2014

Naturally occurring Radium 226 and Thorium 232.