Document npb3OKQXXORmL0VYbR1vBqGB6

CONTENTS OF VOLUME 3 JANUARY 1951. NUMBER 1 PACE Experimental Studies of Asbestosis. Arthur J. Vorwald, Ph.D.(Path.), M.D.; Thomas M. Durkan and Philip C. Pratt, M.D., Saranac Lake, N. Y....... ................................ 1 Air Pollution in Pittsburgh. Sumner B. Ely, S.B., Pittsburgh..........;........ ........... ........... 44 Toxicologic Studies of Compounds Investigated for Use as Inhibitors of Biologic Processes. Anthony M. Ambrose, Ph.D., Albany, Calif.: . III. Toxicity of Propylene Glycol Dipropionate..................................................... . IV. Toxicity of l,3-DimethylT4,6^Bis(Chloromethyl) Benzene............................... 48 52 Investigation of Occupational Dermatoses in the Citrus Fruit Canning Industry. Donald J. Birmingham, M.D.; Paul C. Campbell Jr., M.D.'; Henry N. Doyle, B.S., Washington, D. G, and J. M. McDonald, M.D., Jacksonville, Fla....................................................... 57 A Study of Workers Exposed to the Insecticides Chlordan, Aldrin, Dieldrin. Frank Princi, M.D., Cincinnati, and George H. Spurbeck, M.D., Pierre, S. D................ -.................. 64 An Analysis of Existing Types of Small-Plant Health Services in Northeastern United States. R. B. O'Connor, M.D., Boston............................................................................... ' 73 Experimental Beryllium Granulomas of the Skin. Frank R. Dutra, M.D., Cincinnati......... 81 Meteorological Technics in Air Pollution Surveys. Merril Eisenbud and- W. B. Harris, New York.....................................!....................................1.....................................................90 New Instruments and Technics: A Modified Air Sampler Employing Fiberglas. F. W. Sehl and B. J. Havens Jr., Hartford, Conn.................................................................................................................. 98 Abstracts from Current- Literature............................................................................................... 101 News and Comment............................................................... Book Reviews............................................................................................ FEBRUARY 1951. NUMBER 2 A Rapid X-Ray Diffraction Method for the Determination of Quartz in Industrial Dusts. Lawrence L. Schmelzer, B.S., Berkeley, Calif.................................................................... 121 Significance of the Exercise Tolerance Test. William F. Renner, M.D., Baltimore............... 129 A Study of Nitrogen Oxide Concentrations During Arc Welding. Leslie Silverman, Sc.D. (Indust. Hyg.) and S. I. Husain, S.M., Boston.................................................................. 135 Symposium on the Dynamics of Industrial Hygiene: Presentation of an Unidentified Occupational Case History. Robert J. Hasterlik, M.D., Chicago............................ ........ ............................................................................. 147 Surveying the Plant, D. J. Lauer, M.D., Cincinnati........................................................... 150 Studying the Environment. F. E. Adley, Richland, Wash.................. ............................... 153 Chemical Analysis. Francis R: Holden, Ph.D.(Chem.), San Francisco.......................... 159 Maximum Allowable Concentrations. H. H. Hudson, M.D., Nashville, Tenn.................. 161 Medical Control. Robert A. Kehoe, M.D., Cincinnati......................................................... 165 The Engineering Control of an Occupational Health Hazard, B. F. Postman, M.E., New York............................... ........................................................................................ 169 in 120