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1 - MATRIX OF COMBUS TI ONRELEVANT PROPERTIES AND CLASS IFICATIONS OF GASES, VAPORS, AND SELECTED S OLIDS Report of the COMMITTEE ON EVALUATION OF INDUS TRIAL HAZARDS NATIONAL MATERIALS ADVIS ORY BOARD Commission on Sociotechnical Systems Nationa ~ Res earch Counci Publication NMAB 353-l National Academy of S c Washington, D. C ~ 979 ~ ences .

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\ NOT ICE The pro j ect that ed by the Governing whose members are drawn from the Council s Academy of Sciences, the National Academy and the Institute of Medicine. responsible for competences and This authors Committee Sciences, Inst itut e o f Medic ine . This study by the National Materials Advisory Board was initiated under Contract No. J-9-F-5-0070 with the occupational Heal th and Safety Administration and continued under Contract No. 210-78-0120 with the National Institute o f Occupat iona l Saf ety is the subject of Board 0 f ~ -- this report was approv- tne National Research ro~,nm; 1 ~~ . O f the National 0 f Engineering, The members of the committee the report were chosen for _ with regard to appropriate balance. . ~ . their special report nas Been reviewer by a arouse other than according to procedures approved My a Renort Review consisting of members the National Academv of the ~ _ of the _ Engineering, and the , _ _ _,= ~ National Academy of under Contract No. J-9-F-5-0070 with the Thi s report Information S erg c e, _ , , _ Printed in the United States of America. ~ and Health. is for sat e by the National Technical Springfield, Virginia 22151. 1 11 1

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PREFACE The occupational Safety and Health Administration (OSHA) requested that the National Research Council's Committee on Evaluation of Industrial Hazards classify in accordance with the classification groups in Article 500 of the National Electrical Code certain chemicals of interest to OSHA. These chemicals include materials from an earlier Coast Guard sponsored study and those listed by OSHA in the Federal Register of June 27, 1974, pages 23541-23543. The matrix presented in the body of this report contains physical and flammability data for these chemicals along with their classification groups. This report is the first in a series of three reports, the following two being directed toward the classification of and the methodology for testing dusts. -The chairman expresses his sincere thanks to each member, liaison representative, and technical advisor of the committee and to Stanley Barkin, National Materials Advisory Board, for collecting data and for their deliberations in assign- ing classifications--work which was often tedious and difficult. Appreciation is also extended to Chia Chen (OSHA) for his contribution to the assignments of families and to Michael Persh, George Washington University, Harry A. Wray, Harry A. Wray Associates, Rhonda Kaatz, Northern Virginia Community College, and Evelyn Chi1ds, Naval Research Laboratory, for many hours of assistance in preparation of the manuscript. Homer W. Carhart, chairman Committee on Evaluation of Industrial Hazards ~

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NATIONAL MATERIALS ADVIS ORY BOARD COMMI TTEE ON EVALUATI ON OF INDUS TRIAL HAZARDS Chairman Members 1 HOLIER W. CARPORT, Chemistry Division, Naval Research Laboratory, Washington, D. C. FREDERICK R. EIRICH, Chemistry Department, Polytechnic Ins titute of New York, Brooklyn LEIAND J . HALL, Mi 11 Mutual Fire Protection Bureau, Chicago, Illinois ERNEST C. MAGISON, Standards and Material s Division, Honeywell, Inc., Fort Washington, Pennsylvania J. ARTHUR NICHOLLS, Department of Aerospace Engineering, University of Michigan, Ann Arbor PETER J . S CHRAM, Electrical Department, Underwriters Laboratories, Inc. ~ Northbrook, Illinois ROGER A. STREHLOW, Aeronautical and Astronautical Engineering Department, University of Illinois, at Urbana-Champaign Liaison Repres entatives THOMAS H. SEYMOUR, Occupational Safety and Health Administration, Department of Labor, Washington, D. C. CHIA CHEN, Occupational Safety and Health Administration, Department of Labor, Washington, D. C. JOSEPH E. PIPKIN, Occupational Safety and Heal th Adaninis- tration, Department of Labor, Washington, D. C . GLEN E. GARDNER, Occupational Safety and Heal th Adminis- tration, Department of Labor, Washington, :~. C ~ D ~ Y. CORtIOG, U. S . Pos tal Service, Rockville, Maryland DAVID R. FORS HEY, U. S . Bureau of Mines, Department of the Interior, Washington, D. C. JOHN A. GERARD, National Institute for Occupational Safety and Health, Morgantown, West Virginia ANDREW M. COWAN, Department of Agriculture, Beltsvi:Lle, Maryland ERSKINE HARTON, Department of Transportation, Washington, D.C. EARLE P. SHOUB, National Institute for Occupational Safety and Heal th, Morgantown, West Virginia v

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1 1 ELTON LITCHFIELD (deceased), U.S . Bureau of Mines, Department of the Interior, Pittsburgh, Pennsylvania JOSEPH CLARK, National Fire Prevention and Control Agency, Department of Commerce, Washington, D.C. JOHN B. FERGUSON, National Fire Prevention and Control Washington, D.C. Agency, Department of Commerce, Technical Advisors MURRAY JACOBSON, Mining Safety and Health Administration, Department-of Labor, Arlington, Virginia RICHARD F. SCHWAB, Allied Chemical Corporation, Morristown, New Jersey JOHN NAGY, Mining Safety Department of Labor, Pittsburgh, Staff Member and Health Administration, Pennsylvania STANLEY M. BARKIN, National Materials Advisory Board, National Academy of Sciences, Washington, D.C. 1 V1 .

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1 l TABLE OF CONTENTS PREFACE INTRODUCTI ON TENTATIVE CLASS IFICATION OF GASES AND VAPORS BY CHEMICAL FAMILIES KEY TO MATRIX ABBREVIATI ONS REGIS TER OF FAMILY GROUPS MATRIX CROS S IND~ PRINCIPAL BIBLIOGRAPHIC S OURCES a V11 PAGE ~ ~ 111 3 / 8 75 87 1

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1 ERRATA SHEET MATRIX OF COMBUS TION-RELEV~IT PROPERTIES AND CI=SIFICATIONS OF GASES, VAPORS, AND SELECTEI) SOLIDS The page numbers for the Register of Family Groups ~ (Page 7) and the Cross Index (Pages 75-86 ~ for dividual chemicals are incorrect. locating in- Addition of 7 to tines e numbers will s erve to locate the proper pages or in lieu of this procedure use the fami ly and chemical compound numbers which as 1 istec3 are correct. National Material s Advisory Board Commission on Sociotechnical Systems Res earch Council National 1 .

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