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  • NIOSH
    Perception Thresholds For Lateral Vibration At The Hand, Seat, And Foot - Introduction

    By Miyuki Morioka, Michael J. Griffin

    Discomfort, annoyance, or interference with activities due to exposure to vibration is only expected if the vibration exceeds the threshold for the perception of vibration. When there is more than one

    Jan 6, 2006

  • NIOSH
    IC 7656 Some Factors Affecting And Suggested Ways For Improving Coal Mine Ventilation, With Particular Reference To Mines In Illinois, Indiana, And Western Kentucky ? Summary

    By C. A. Herbert

    This paper sets forth the hazards of accumulations of explosive mixtures of methane and air due to inadequate ventilation, the causes of which are discussed as follows: 1. Lack of well-maintained a

    Jan 1, 1953

  • NIOSH
    IC 9231 Advanced Guidelines For Performance Testing Of Two-Legged Longwall Shields

    By Thomas M. Barczak

    This U.S. Bureau of Mines report is intended to assist coal mine operators in the selection of longwall supports by providing advanced guidelines for performance testing and standardized test document

    Jan 1, 1989

  • NIOSH
    IC 6149 Mining Methods Of The Tennessee Copper Company, Ducktown, Tenn. ? Introduction

    By C. H. McNaughton

    The Tennessee Copper Co. operated two mines in the Ducktown district during 1928. The Burra Burra mine is much the larger operation and is the chief source of the ore smelted and treated in the, compa

    Jan 1, 1929

  • NIOSH
    RI 5030 Gasification Of Pulverized Coal With Steam And Oxygen At Atmospheric Pressure ? Summary And Conclusions

    By G. R. Strimbeck

    This is a report on experimental work on development of a gasification process operating at near atmospheric pressures and using finely pulverized coal entrained in oxygen and steam. The gasifier

    Jan 1, 1954

  • NIOSH
    RI 6835 Preparation Of Submicron Tungsten Powder By Hydrogen Reduction Of Tungsten Hexachloride

    By J. E. Tress

    The Bureau of Mines prepared submicron tungsten powder by reducing tungsten hexachloride with hydrogen. The particle diameters of the resulting tungsten powders ranged from 0.015 to 0.046 micron. With

    Jan 1, 1966

  • NIOSH
    RI 4103 Argentena Zinc-Lead Mine, Clark Co. Nev.

    By Robert W. Geehan

    "INTRODUCTION A preliminary examination of the Argentena mine was made in 'January 1945 by an engineer of the Bureau, who recommended investigation by diamond drilling. The Bureau conducted a core-dri

    Jul 1, 1947

  • NIOSH
    RI 6309 Hazards in Using Liquid Hydrogen in Bubble Chambers

    By Michael G. Zabetakis, Aldo L. Furno, Henry E. Perlee

    The Bureau of Mines conducted an experimental study with liquid and gaseous hydrogen to determine the hazards associated with the use of liquid hydrogen as an ionizing particle detector in bubble cham

    Jan 1, 1963

  • NIOSH
    IC 7417 Annual Report of Research and Technologic Work on Coal, Fiscal Year 1946

    By P. M. Ambrose, A. C. Fieldner

    This , the 11th annual report of research and technologic work conducted by the Bureau of Mines on coal and coal products , is issued following the closing of the Bureau's war work on fuels and contai

    Jul 1, 1947

  • NIOSH
    IC 7938 Open-Pit Copper Mining Methods At New Cornelia Branch, Phelps Dodge Corp., Pima County, Ariz. ? Summary And Introduction

    By W. R. Hardwick

    This information circular describes mining methods and practices at New Cornelia Branch, Phelps Dodge Corp., Ajo, Ariz. It is one of a series being prepared by the Bureau of Mines on mining methods, p

    Jan 1, 1960

  • NIOSH
    IC 7232 The Rare Alkalis In New England ? Foreword

    By Frank L. Hess

    "New England" and "granite" if not synonymous are at least associated terms. Where there are granites that are not deeply eroded there are usually pegmatites, the most erratic of rocks, and of them Ne

    Jan 1, 1943

  • NIOSH
    Underground evaluation of coated flight bars for a continuous mining machine

    By Ellisworth R. Spencer, Lynn A. Alcorn, Peter G. Kovalchik, Adam K. Smith

    Noise induced hearing loss (NIHL) is the most common occupational disease among workers in the mining industry. Previous studies conducted by the National Institute for Occupational Safety and Health

  • NIOSH
    RI 9279 Yielding Steel Posts

    By J. P. Dunford

    This U.S. Bureau of Mines report describes the development of a yielding steel post for underground mine support. The report covers concept development, laboratory tests, modifications, and field eval

    Jan 1, 1989

  • NIOSH
    IC 9424 Mobile Mine Equipment Maintenance Safety: A Review Of U.S. Bureau Of Mines Research

    By Joan K. Kuenzi

    This Information Circular brings together for consideration recommendations from U.S. Bureau of Mines research in the area of surface mine mobile equipment maintenance for the period 1982 through 1991

    Jan 1, 1995

  • NIOSH
    RI 9645 - Investigation Of Coal Properties And Airborne Respirable Dust Generation

    By Steven J. Page, John A. Organiscak

    Laboratory crushing experiments were conducted on a range of low- to high-volatile bituminous coals to investigate the various factors influencing airborne respirable dust (ARD) generation. This rese

    Jan 10, 1998

  • NIOSH
    Reduction of Fire Hazards on Large Mining Equipment

    By Maria I. De Rosa

    Analysis of mining equipment fires from 1990 through 1999 reveals that there were 340 large mining equipment fires, resulting in 72 injuries and five fatalities. Many of the fires resulted in the loss

    Jan 1, 2008

  • NIOSH
    OFR-18-77 Microseismic Roof Fall Warning System - 1.0 Introduction

    By A. J. Farstad

    The current emphasis on energy needs in the United State sand abroad has placed an increased demand on the coal mining industry. The United States is fortunate to have abundant coal reserves. However,

    Jan 1, 1976

  • NIOSH
    RI 6723 Use Of A Diphenyl Ether Calorimeter In Determining The Heat Of Fusion Of Iron

    By J. P. Morris

    A diphenyl ether calorimeter for measuring high-temperature heat contents of ferrous alloys and iron-and steelmaking slags was constructed and calibrated with specimens of molybdenum, alumina, and pla

    Jan 1, 1966

  • NIOSH
    Reference Center

    "IntroductionThe combined library facilities of the five universities in the Generic Technology Center for Respirable Dust, The Pennsylvania State University, West Virginia University, University of M

    Aug 31, 1989

  • NIOSH
    IC 9140 Natural And Synthetic Zeolites

    By Robert A. Clifton

    This Bureau of Mines report discusses the mineralogy of zeolites, the properties that make them commercially valuable, the conditions of formation of both natural and synthetic zeolites, and present a

    Jan 1, 1987