a < vediation with’‘particular‘emphasis “onefforts,to:‘obtain¢an“active ‘tective substance’ from normal:Hseues 8, Syetme meetoaa nagesaree ah er Trae = te . Research on beryllium poisoning. TheUniversity of Rochest 3 ; Atomic Energy Project has developed a method for the production of a beryllium ‘oxide fume by using a beryllium metal arc burning in an oxygen-argdn atmosphere. The fumes consist of extremely small particles approaching [C.01 microns. Preliminary animal exposure studies showed that reasonab]k amounts of the material were deposited and retained in the lung. e finding of small quantities of beryllium deposited in the femur and none in the pulmonary lymph nodes appears to suggest that removal of thd deposited material from the lungs is by solubility rather than phago tosis. (See report UR-174. ) This is a real step forward in the Commission's efforts to qolve the problem of chronic beryllium poisoning. Control of beryllium hazards. The revised “Recommendations Jfor Control of Beryllium Hazards," which are essentially the same as t¥ose issued last year, were sent by memorandum from the General ManagerJ[to 10, 1951. Production of ultra-violet light by ionizing radiation. August Infa re- port from the UCLA Atomic Energy Project (UCLA-127), Dr. Andrew H.|Dowdy has been able to demonstrate the production of ultra-violet light Im dis- tilled water by ionizing radiation using the gamma rays of radium $s a SS Managers of Operations Offices and Washington Division Directors of source. The production of ultra-violet light by ionizing radiatio has been suspected for some time, but this is the first time that this] process has been demonstrated. meee Radioactive faliout from BUSTER and JANGLE. Plans are beinkk made for nationwide monitoring of radioactive fallout and air contaminakion during the fall series of tests in Nevada. While no health hazardj is anticipated beyond the test area, these observations will assist ih estimating fallout and in evaluating possible hazards in future tests,f and in safeguarding sensitive industries such as the photographic. , The program will be coordinated by the New York Operations Pffice Health and Safety Division, and they will be prepared to issue stdtements and answer queries, based on observations to be made in 50 cr mord locations about the country. AEC laboratories, the U. S. Weather Burdax, and the U. S. Air Farce are planning to participate in the collection Fand analysis of rainfall and dust samples, in plotting the passage of Ftrce radioactive clouds across the country, and in correlating the amoymt of radioactive material at the earth's surface with the degree of cojeentra- pms tion in the air above. Son nt ee Biophysics Branch