Atozic Energy Cosm.seion ~2- November 9, 1956 We hope the enclosed data will ¢ive you the inforwation desired as to the aistribution, and frequency of collection. Please notify us if we can be of further assistance or if you desire additional inforuaticon. Very truly yours, ’ oe , 4 D. L. Keld, supervisor Radiological Chemical Analysis Operation Hanford Laboratories DLR trar Dist: W. BD. Claus (3) L. R. Donaldacn R. RK. Harry E. W. Chriatopherson D. L. Reid Records Center