Document vVGdDwDaodjbj3VV74RGqD1qw

** January, 1950 Vol. XIV Ho. 1 .................... Industrial Hygiene Foundation " 4400 Fifth Avenue Pittsburgh 13, Pa. l INDUSTRIAL HYGIENE DIGEST Literature and Neva Hovb Items 1 Industry Puts Fly Ash To Uae. I* The FuelsDivisian of the American Society of Mechanical Engineers sponsored a symposium November 30, 1949, at the annual meeting of the ASMS, devoted to the utilization of fly ash. It is used in bltumastlc- road con struction, insulation, brickmaking, soil stabilization, and molding. The individual papers vill be abstracted as they appear. Bitum. Coal Research (Oct .-Dec. 1949) 2 Manufacturer Nov Distributing Smokeless Coal-Burning Heaters. ' Smokeless residential coal-burning heaters, developed by Bituminous Coal Research and the Stove Manufacturers Besearch Group are nov being manufactured by the King Stove and Range Company, Sheffield, Alabama. Under the name of Martin Smokeless Heater, 230 are nov being distributed far trial in cities in fourteen states. A. public demonstration of the heaterB van given at WinstonSalem, North Carolina, November 29 and 30, 1949. Bitum. Coal Besearch (Oct.-Dec. 1949) 3 Folder on Safe Handling of Parathlon. St. Louis, Mo.... An illustrated folder detailing instructions for safe handling of parathlon by fansulatars, distributors and customers is available from Monsanto Chemical Company. Step-by-step advice far handling drums,- house keeping to.formulating.area, application and- about protective equipment are included. The folder also contains'first aid instructions and information for use of physicians 'to case of accidental poisoning. Parathlon is one of the never chemicals highly effective against many agricultural insect pests. Neva Release 4- Transmissive Properties and Use of Eye-Protective Glassesv Information an the transmissive properties of most of the videly distrl- buted makes of tinted lenses la nov available In & nev circular, Spectral- Tranamiasive'Properties and Use of Eye-Protective. Glassedi recently Issued by