Document jgKK0eNe7e4KZ030j6k3wBk4p

F* I 4 Ittluatrial Hygiene Digest - 11 August, 19^9 055 Medical X-Ray Protection Up to Two Million Volta. U.S. Bureau ol' ^Standards Handbook Mo. 41. 43pp. (March, 1949) For sale by the Supt. of Documents, Washington 85, D.C. 15 cents. s'9 cj Dlls volume constate of recommendations Intended for the protection of the radiation worker, superseding those contained In earlier Handbook Ho. 70 (1956). Rules are given far fluoroscopic, radiographic, dental, therapeutic, and elmilar applications. Data are given concerning elec trical protection, barrier requirements, and other aspects of protection. -- F.F. Rupert t: t: 056 Accident Facts. 1949 Bdltlcn. Rational Safety Council 80 H. Rocker Drive, Chicago 6, 111. 96pp. Price $.60 i Occupational fatalities In 1948 shoved a reduction of 500 from the 1947 figure, and disabling Injuries vere 100,000fever than In 1948. The exposure to Injury vas approximately the same In the tvo years. The indus try vith the best frequency rate Improvement over 1947 vas aircraft manu facturing. Die communications industry again had the lowest frequency rate, lbe mining and lumber Industries had great frequency rate reductions, but the rates vere still the highest of all Industries. Tables set forth a great variety of statistical material. A discussion of Motor Vehicle r Accidents, Illustrated vith maps and charts covers 58 pages of the book. i -- F.F. Rupert i 057 Major Disasters at Metal and Honmetal Mines and Quarries In the United States (Excluding Coal Mines). J. Hyvarlnen, L.H.Johnson, and D.O. Kennedy U.S. Bureau of Mines Inf. Clrc. Ho. 7495* 26pp. (Apr. 1949). > A chronological list of accidents at metal and nonmetal mines and quarries (excluding coal mines) In the United States In which five or more lives vere lost has been compiled. Many accidents are described In > more detail because of their unusual features. Tables have been Included to indicate the number of major disasters and fatalities by the principal product mined, by States, and by 10-year Intervals prior to 1945. The num ber of men esqiloyed to Indicate man-hours exposed Is unavailable; therefore, a true picture of disaster data by principal product mined, by States, aid by 10-year Intervals Is not possible. However, the data are presented to Indicate the causes of major accidents and bring to the attention of those affiliated vith metal and nonmetal mines and quarries the hazards Involved and lessons that can be practiced to keep such accidents at a minimum. -- Authors 1 Summary 858 Report of the Department of Health, 1947-48, Reprint from Digest of Connecticut Administrative Reports to the Oovernar 8, 350*554 (1949). The Bureau of Industrial Hygiene presents Its report an pages 559-543. Increased activity along specific phases Increased the lumber of field determinations to 3,390 far the fiscal year. Investigation.of radiation hazards vos an Important feature of the work, and some time vas spent on beryllium. She hlghvay tunnel near Rev Haven vas started during the year