[Ruy Dias de Bivar]

Back around 1958, there was found the bomber LADY BE GOOD in the Lybian desert, where it crash landed after a raid in WWII.

The people who found it saw the bomber still had lots of items left over from the war in it. They also found one of the RAREST ITEMS in the world there.
The canteens aboard were filled with WWII water and was NOT RADIOACTIVE as all water was after the nuke tests.

The discoverers made coffee with the water.

[HangnJudge]

They make high sensitivity whole body radiation counters out of pre-WWII battleship steel plating,

http://en.wikipedia.org/wiki/Whole_body_counting

[HangnJudge]

The discoverers made coffee with the water.

Thus adding potassium-40 as it passes through the body