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  • NIOSH
    OFR-121-77 Longwall Ignition Suppression

    By Ronald D. Rothchild

    This report describes the results of a study of longwall ignition hazards and specific suppression systems to minimize each of the major hazards. The major ignition hazards were identified by conducti

    Jan 1, 1976

  • NIOSH
    OFR-22-80 Evaluation Of Proximity Warning Devices

    By J. E. Hipp

    Three electrostatic field sensing proximity warning devices were tested using full-scale cranes and power line systems, a scaled model facility, environmental testing facilities, and theoretical/numer

    Jan 1, 1980

  • NIOSH
    RI 6552 Some generalized probability distributionss

    By Robert M. Becker

    This report (the second in a series of five) presents the mathematical development in extending the theory of sample reliability from a sample consisting of a fixed number of items to a sample consist

    Jan 1, 1964

  • NIOSH
    OFR-17-83 A Ventilation Study With Pressure Cycling In A Kerr-McGee Mine At Ambrosia Lake, NM

    By J. E. Cleveland

    The major health concern for uranium miners is the release of radon gas and the resultant ingrowth of the short lived daughters in the mine atmosphere. Present methods of control are the utilization o

    Jan 1, 1982

  • NIOSH
    IC 9329 Utilizing Mechanical Linear Transducers For The Determination Of A Mining Machine's Position And Heading: Underground Testing

    By Christopher C. Jobes

    Computer-assisted control of a mining machine can place the operator in a safe, remote location. A guidance system aids remote positioning of a mining machine by determining its position and heading.

    Jan 1, 1992

  • NIOSH
    Mineral Commodity Summaries 1984 - An Up-To-Date Summary Of 87 Nonfuel Mineral Commodities ? Aluminum

    1. Domestic Production and Use: In 1983, 12 companies operated 27 primary aluminum reduction plants, with 4 firms accounting for 65% of production. Washington, Oregon, and Montana accounted for 35% of

    Jan 1, 1984

  • NIOSH
    RI 4796 Oil Shale Operations in New South Wales, Australia

    By A. J. Kraemer, H. M. Thorne

    The following account of oil-shale operations in Australia is based upon infor- mation obtained by the authors while visiting Australia from September 15 to October 7, 1947, supplemented by published

    Jul 1, 1951

  • NIOSH
    IC 6217 Bureau of Mines Instruction in First Aid and Value of 100-Percent First-Aid Training to Em· ployees of Mining and Oil Companies

    By A. L. Murray

    First -aid training as an adjunct to safety is receiving more wide spread recognition in the industries every year . Moreover , the adoption of a program for giving firstaid training to practically al

    Jan 1, 1930

  • NIOSH
    IC 7830 Bibliography Of Zirconium - Supplement To Information Circular 7771 ? Introduction

    By Eleanor Abshire

    This bibliography is the second in a series that covers the current technical literature relating to the metallurgy of zirconium. The rapid advance in zirconium technology makes it mandatory that abst

    Jan 1, 1958

  • NIOSH
    RI 3816 Effects of Boron in Steel

    By A. J. Williams, R. B. Corbett

    "INTRODUCTION This investigation was undertaken to obtain information concerning the effects of boron in steel and its method of addition, so that boron, which is readily obtainable domestically, may

    Jun 1, 1945

  • NIOSH
    The 1986 World Economy, The 1987 National Economy Through May, And Performance Of The U.S. Nonfuel Mineral Industry - World Economy In 1986

    By Keith L. Harris

    Recent data indicate a marginal decline in overall growth in world economic output from 3.1% in 1985 to 2.9% in 1986 (table 1),2, 3 Many nations experienced slower economic growth because of the huge

    Jan 1, 1987

  • NIOSH
    RI 4999 Metallurgical Investigations Of Southeastern Missouri Cobalt-Nickel Resources ? Summary

    By H. Kenworthy

    Sulfide-ore concentrates containing cobalt, nickel, copper, lead, and iron from the operations of the National Lead Co. at. Fredericktown, Mo., were treated successfully on a laboratory scale to recov

    Jan 1, 1953

  • NIOSH
    OFR-33(2)-79 Application Of A Total System Surface Mine Simulator To Coal Stripping - Volume II - User's Manual For A Surface Mining - Materials Handling Simulator

    By C. B. Manula

    This report is mainly concerned with the modification and development of a users manual for the Open-Pit Materials Handling Simulator (OPMHS) developed at Penn State. Model Modifications included the

    Jan 1, 1976

  • NIOSH
    IC 7315 A Pattern For Western Steel Production ? Introduction

    By H. Foster Bain

    The war has brought about many changes in the Western States, and some have deep pr sent or potent al economic significance. The West has been feeling severe growing pains for a number of years. Espec

    Jan 1, 1945

  • NIOSH
    OFR-127-80 Improved Light-Scattering Dust Monitor

    By Byron S. Kutscher

    This report summarizes the program to develop and construct an improved light-scattering dust monitor (ILSDM). This improved light-scattering dust monitor, which operates on the forward light scatteri

    Jan 1, 1980

  • NIOSH
    RI 6232 An Introduction To Statistical Design Of Experiments In Metallurgical Research ? Summary

    By S. J. Hussey

    This Bureau of Mines report presents a discussion of the statistical approach to the design of experiments and indicates, by concrete examples, how and when statistical design is essential for obtaini

    Jan 1, 1963

  • NIOSH
    Coal-Mine Accidents In The United States 1939 - Introduction

    By W. W. Adams

    Coal mining in the United States established a good safety record in 1939. The death and injury rates per man-hour of exposure to risk were favorable compared with most previous years, and the number

    Jan 1, 1942

  • NIOSH
    IC 7130 Testing Respiratory Protective Equipment For Approval ? Introduction

    By H. H. Schrenk

    The purpose of respiratory protective equipment is to prevent the inhalation of harmful or objectionable atmospheres. Although constituents or contaminants that may render an atmosphere irrespirable o

    Jan 1, 1940

  • NIOSH
    OFR-30-86 Compact Service Hoist System For Underground Metal And Nonmetal Mines

    By David J. Hoadley

    This report describes the development and limited testing of a semi-automatic, raise climber, Compact Service Hoist System designed for stope access in underground metal and nonmetal mines. Demonstrat

    Jan 1, 1985

  • NIOSH
    IC 8417 Helium Symposia Proceedings In 1968 - A Hundred Years Of Helium - Helium Applications Symposium, Washington, D.C., October 23-24, 1968; Helium Centennial Symposium, Atlantic City, N.J., September 11, 1968.

    Applications of helium in aerostatics, cryogenics, space, and undersea work are described in papers from the Helium Applications Symposium. Specific subjects include investigations of X-ray sources by

    Jan 1, 1969