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New Radiation Testing Results for Black Berkey Filters

After much anticipation, we are happy to announce the release of new radiation testing results for the black berkey filters.  Below, please find a summary of the 3 sets of black berkey radiation tests.

Gross Alpha Reduction Testing Report <-- Link to 1st Set of Test Results

The Gravity Black Berkey Filter reduced the Gross Alpha concentration in the tap water by at least 98.7 %. The EPA limit for Gross Alpha is 15 pCi/L; the Gravity Black Berkey Filter meets the EPA requirements for drinking water.

Potential gross alpha contaminants/emitters in water:

Americium-241
Mendelevium-258
Neptunium-237
Plutonium-238 and -239
Polonium-210
Protactinium-231
Radium-226 and -228
Thorium-232
Uranium-235 and -238

Gross Beta Reduction Testing Report <-- Link to 2nd Set of Test Results

The Gravity Black Berkey Filter reduced the Gross Beta concentration in the tap water by at least 95.3 %. The EPA limit for Gross Beta is 15 pCi/L; the Gravity Black Berkey Filter meets the EPA requirements for drinking water.

Potential Gross Beta contaminants/emitters in water:

Actinium-227
Californium-251 and -252
Cesium-137
Cobalt-60
Iodine-129 and -131
Lead-210
Nickel-63
Promethium-145
Strontium-90
Technetium-99

Uranium Reduction Test Report <-- Link to 3rd Set of Test Results

The Gravity Black Berkey Filter reduced the Uranium concentration in the tap water by at least 97.0 %. The EPA limit for Uranium is 30 µg/L; the Gravity Black Berkey Filter meets the EPA requirements for drinking water.

10 thoughts on “New Radiation Testing Results for Black Berkey Filters”

  • donna

    THANK YOU ,THANK YOU ,THANK YOU ,I LOVE MY BERKEY EVEN MORE NOW <3

    Reply
  • Jacquelyn

    I have an older Big Berkey with the white ceramic filters plus the fluoride filters underneath. Do the white ones also take out the Chromium 6 and meet the same standards on the elements listed above?

    Thanks,

    Jacquelyn Melear

    Reply
  • Ashley allen

    Just a tip. To neutralize radioacrive iodine put a couple drops of atomic iodine in you glass or water bottle.

    Reply
  • Ruth denning

    Do any of the filters filter out chromium 6?

    Reply
  • Sandy

    I live in the Toledo Ohio area and we have had both my assisting that put us under a water Alert 2 years ago and now the chemicals they are adding are high in THM. Will these black berkeys remove that?
    Also is fluoride removed with these?

    Reply
  • Seth

    This is great to hear. I was about to install a reverse osmosis system because the well in our new house in the mountains has elevated gross alpha/beta. May I ask what the cleaning requirements are to keep the filters ability to remove these radioactive particles? I'm assuming they may build up over time--or is this not how it works? Thank you

    Reply
    • Dan DeBaun

      Hi Seth -

      No cleaning is needed to maintain a removal level. The filters will become saturated at some point, and this is the approximate 6000 gallon mark per set of 2.

      Thanks
      Dan

      Reply
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