Ly gid ele ah ~ 23 heve indicrted that the radon concentrations are quite comparable to thore which have ex- fated, et least in terns of the reported data 4n the European uranium mines at Jonchinstal and Schneeberg, end the average concentrations are in the same order of magnitude and we also know that the lung cancer incidence in those mines was in the order of forty per cent. Eowever, no steps hnve been made in terms of setting up eny sort of "regulatory® system by the Federal Government. Recently, thet 1s, last February, a meeting wes held in Salt Late City under the sponsorship of the Industriel Conmiscton of Utsh to dreft sone sort of agreed set of ree gulations which the seven stotes particularly coneerncd with urnsnium mining vould adopt and the A.E.C. was represented and made its suge gegtions end so did the Public Health Service, fnd after this mreting another meete ing wae held, oh, about eix months later with the mine cperatore end out of this hos come a set of recommendations which Utah has adopted and which consist essentially of the fact that © the mines thernselves have to rake their own service and report thea valuce of radar and its deughters and do their orn controliing, x3