Letter from Leuren Moret to Congressman McDermott with Declassified memo to Gen. L.R. Groves 1943 – a blueprint for DU 21feb03
take a look at this letter. Is there anytype of OTC breating mask that can filter partu=iculate matter smaller than .01microns?
The gist of this letter says that even HEPA filters wont clean enough enough of a volume of air for you to be safe from radiation entering through respiration?