sahitinb eacheat ia , bln oetlns iesalania sh . nai Sindh St pita taatene Ao. eine 31 DR. ALBERT: They vary, but the avernge concentration in the mines rung ecnething ~ at times, three to the ten minus nine curfee per liter, but I think some of the high vrlues may run seven times this at some of the working places. MR, EISENBUDS The thing of course ig that these velues that have been reported out there since war deys ara identical vith the values that come out of Europe in only two places where human expericnce 1s available. end I think as a working assumption, one has sinply got to accept that these concentrations sre ceneble of prosucing lung cencer in a high proportion of people, saybe some of the ermunments that have been advanced due to the value of other factors nay have pleyed a role in Ceccho- slovekie, in Germany, but as a vorking ex= auple you have to accept that it was radon. DR. FAILLA: , Ie there very much dust present at the same time? plateau? MR. EISENBUD: Out here at the There's quite a bit of dust and of course the dust comes from the “acsorbea" dust, but the dust is not radioactive except for >}