“Tf « J ok fines that Roy and Bill are going to survey hext month, DR. WALTER D. CLAUS: But the sure vey in the Montana mines 18 well underway think, MR, EISENPUD? DR. CLAUS: T Yes, That should give very Valuable information, ER, EISENSUD?: centretions? . DRe CLAUS: thousand times Vhat are the cone I don't know, but several -- at least several thouaand times the factor --~ DR. ALBERT: Aecording to some sur= veys run by the Denver group under "Jacov" in the non-urenium mines, I think their levels ran something in the order of ten to the minug tenth curfies per liter, DR. FAILLA: ible limit now? TIen't that the permisea- As a matter of fact, you fellowa multiplied it by three too, didn't you? DR. ALEERT;: Rot radon, VES DOE ARCHI