The Berkey manufacturer, NMCL, has recently released the lab test results for the removal of radioactive isotopes. The first round of alpha radiological testing was done for the following radioactive isotopes:
Americium-241
Mendelevium-258
Neptunium-237
Plutonium-238 and -239
Polonium-210
Protactinium-231
Radium-226 and -228
Thorium-232
Uranium-235 and -238
The Black Berkey filters were found to remove the radioactive contaminants listed above to a level of 98.7%.
The complete radiological test results can be found here: Radiation Test results.
