Document dQ0MG6GLRKZ0Oq8e3Q34DQGx6

In&ustrlal Hygiene Digest - 10 August, lQUo to the problem of design end evaluation of protective clothing vhich vere emp!,'"'`*d rv-iriz the r. To complete the volume, there ere two chapters on the objectives and methods of air conditioning. These chapters are bp no means exhaustive, hut the particular aspects selected for discussion are veil chosen to meet the purpose of the hook. The final chapter discusses the Influence of climate and season upon health. Bile controverelal eub- Ject, of vide popular lntereet, Is conservatively treated. The voluae provides an excellent starting point far the beginner In the eubject and will he of equal lntereet end value to those already familiar vlth the field. ________ _ -- Theodore F. Batch .053.. Industrial Uses of Radioactive Materials, __A Selected Bibliography. -- Arthur D. Little, Inc., Cambridge 42, Maas. 13pp. (March, 19**9). < Nearly 800 references an the use of radioactive materials In Industry are given, first those of general Interest and then the references dealing vlth specific fields, Including petroleum, mining and metallurgy, textiles, Instruments, radiography, analysis, pharmaceutical, glass, radioisotope preparation, and miscellaneous applications. -- F.F. Rupert 851* The "Carbon-Oxygen Complex" as a Possible Initiator of Explosions and Formation of Carbon Monoxide In Compressed-Air Systems. B.W. Busch, L.B. Berger, and H.H. Bchrenk. D.S. Bureau of Mines, Bept. Invest. Ho. V65. 22pp. (June, 1949). In the course of examinations by representatives of the Bureau of Mines of several compressed-air systems In vhlch explosions had occurred, eamplea vere obtained of the carbon deposits that are formed normally In various parte of the systems by decomposition of the compressor lubricat ing oil. Experimentation vlth these corbcn deposits has demonstrated that they contain a "carbon-oxygen complex" similar to that formed on coal and on other carbonaceous materials and generally recognized as-being the cause of spontaneous beating of coal. The exothermic properties exhibited by euch a complex are considered significant In relation to the possible Initiation of combustion reactions that may lead to explosions or forma tion of carbon monoxide In compressed-air systems. This report discusses the occurrence of explosions and formation of carbon monoxide In the use of compressed air and presents results of experimentation coolucted vlth carbon deposits from air compressors. For the elimination control of hazards In the use of compressed air, the selection or development of lubricants that vould minimize or Inhibit the action of the carbon-oxygen complex appear logical objectives. Control of the operating temperature of air compressors la of prime Importance in reducing the possibility of activating carbon deposits to the point of exothermic reaction. The use of automatic, temperature actuated, shut-off mechanisms reflecting ex cessive temperatures In discharge lines of air compressors should prove effective In averting accidents that result primarily from operation at abnormally high temperatures. -- Condensed from Authors1 Introduction end Summary W.