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  • NIOSH
    RI 8396 Absorption of Radium and Thorium From Wyoming and Utah Uranium Mill Tailings Solutions

    By H. R. Beard

    The Federal Bureau of Mines investigated the absorption of radium and thorium from waste uranium leach liquor by clays and other materials. This work was conducted in support of the Bureau's goal

    Jan 1, 1979

  • NIOSH
    RI 7699 Experimental Investigations Of An Open-Cycle, Vortex MHD Generator

    By George J. Conroy

    Electrical power generation was studied in a laboratory-scale, open-cycle vortex MHD generator, which offers several advantages over straight-channel generators that require separate combustors. Compa

    Jan 1, 1972

  • NIOSH
    Sampling For Methane In Mines And Tunnels

    By Fred N. Kissell

    In This Chapter [Instruments available to measure methane in mines and tunnels Using a portable detector in both accessible and restricted spaces Machine-mounted monitors: placement and res

    Jan 6, 2006

  • NIOSH
    The Mineral Industry Of Other East African Countries - Burundi (5762e8c8-9f9a-4334-a3cd-7f4c0b3335ab)

    By Kevin Connor

    During 1986, the Government continued with efforts to ease the country's almost total reliance on coffee exports for trade revenues by allocating 45% of the Government's budget to commerce a

    Jan 1, 1988

  • NIOSH
    RI 3209 The Cleaning Of Fine Coal From The Mary Lee Bed At The Porter Mine ? Introduction

    By A. C. Richardson

    The mine of the Porter Coal Co. is located at the town of Porter in the northwestern part of Jefferson, County, Ala., about 20 miles west of Birmingham. The operations in this mine are confined to the

    Jan 1, 1933

  • NIOSH
    IC 8930 Copper Availability - Market Economy Countries - A Minerals Availability Program Appraisal

    By R. D. Rosenkranz

    The Bureau of Mines has investigated the availability of copper from 272 deposits in market economy countries. The deposits studied have demonstrated resources totaling 413 million metric tons of cont

    Jan 1, 1983

  • NIOSH
    IC 8312 Sulfur Content Of United States Coals ? Introduction

    By Joseph A. DeCarlo

    Coal is one of our basic sources of energy (heat, power, light) and an essential raw material for most metallurgical processing. More than two-thirds of the electricity currently produced by thermal p

    Jan 1, 1966

  • NIOSH
    IC 8312 Sulfur Content Of United States Coals ? Introduction (594562e6-73ac-400b-a221-cee998b4a6aa)

    By Joseph A. DeCarlo

    Coal is one of our basic sources of energy (heat, power, light) and an essential raw material for most metallurgical processing. More than two-thirds of the electricity currently produced by thermal p

    Jan 1, 1966

  • NIOSH
    Reducing Enclosed Cab Drill Operator’s Respirable Dust Exposure With Effective Filtration And Pressurization Techniques

    By Michael Schmitz, Eugene Ahrenholtz, William A. Heitbrink, Jeanne A. Zimmer, Andrew B. Cecala, Ernest S. Moyer, Earle H. Andrews, Chris C. Coppock, John A. Organiscak

    Many different types of surface mining equipment use enclosed cabs to protect equipment operators from health and safety hazards. The overburden removal and mining process can be extremely dusty and c

  • NIOSH
    RI 8104 Waste Glass as a Raw Material for Lightweight Aggregate

    By K. J. Liles

    Research was undertaken by the Bureau of Mines to determine the technical feasibility of producing lightweight aggregate from the waste glass fraction of municipal incinerator residues. Tests were con

    Jan 1, 1976

  • NIOSH
    Development Of New Protocols To Evaluate The Transverse Loading Of Mine Ventilation Stoppings

    By T. J. Batchler, T. M. Barczak

    The Code of Federal Regulations (CFR) requires that the transverse load capacity of stoppings be equal to or greater than traditionally accepted in mine controls, which for block stoppings is generall

  • NIOSH
    IC 8094 Sulfur Production And Consumption In Eight Western States: Arizona, Colorado, Nebraska, New Mexico, North Dakota, South Dakota, Utah, And Wyoming

    The Bureau has published much data on sulfur (4, 15, 23)3, most of it dealing with national or international aspects of the sulfur industry. Little information, however, is available on sulfur marketi

    Jan 1, 1962

  • NIOSH
    RI 7370 Anode Materials For Alumina Reduction - Evaluation Of Lignite As A Carbon Source

    By V. A. Cammarota

    In this report, the effects of anode-production variables, such as aggregate coke sizes, pitch binder content, and baking cycle, were investigated. A small alumina reduction cell proved effective in e

    Jan 1, 1970

  • NIOSH
    RI 3575 Experiments On Strength Of Small Pillars Of Coal In The Pittsburgh Bed

    By H. P. Greenwald, Irving Hartman, H. C. Howarth

    "INTRODUCTION A report of tests of seven small pillars formed from the Pittsburgh coal bed in the Experimental coal mine was given in Technical Paper 605 5/ Five additional pillars were tested between

    Jun 1, 1941

  • NIOSH
    IC 7297 Control Of Silicosis Hazard By Substitution Of Quartz-Free Or Low-Quartz Material For Sand Used Under Mine Locomotives ? Introduction

    By Carlton E. Brown

    Sand, which is used widely under the wheels of mine locomotives to prevent slipping, is an important source of silica dust breathed by some employees of certain mines, such as those having appreciable

    Jan 1, 1944

  • NIOSH
    OFR-196(2)-82 Procedures For Hoist And Shaft Inspection & Maintenance - Volume II

    By J. Cseff

    A variety of shaft and hoist equipment exists in the United States. Nearly all hoist systems are electrically driven. Machine elements which comprise the hoists and ancilliary equipment include bearin

    Jan 1, 1981

  • NIOSH
    OFR-55-73 Spontaneous Electrostatic Precipitation Of Dust

    By Frederick M. Fowkes

    Dusts can be filtered out of air streams onto polymer surfaces by electrostatic trapping resulting from the spontaneous transfer of electrons upon contact between dust particles and the polymer surfac

    Jan 1, 1973

  • NIOSH
    RI 8204 Detection of Filamentous Iron Bacteria in Open Recirculating Cooling Water Systems

    By H. E. Hilliard

    A method was investigated for detecting and counting filamentous iron bacteria in open recirculating cooling systems. It is simple and fast and does not require trained microbiologists. Samples fr

    Jan 1, 1976

  • NIOSH
    IC 8143 Secondary Nonferrous Metals Industry In California - With Data On Nevada And Hawaii ? Introduction And Summary

    By George C. Branner

    This circular is concerned with eight nonferrous scrap metals as they generated, collected, prepared, and consumed in California. Brief reference also is included with respect to Nevada and Hawaii. Fo

    Jan 1, 1962

  • NIOSH
    OFR-61-88 Improved Ventilation Of Sealed Mine Gob

    By Steven D. Wirch

    Abandoned underground coal mine areas must either be sealed or ventilated to comply with federal mine regulations. Ventilation of these abandoned areas is often impractical due to roof falls and inade

    Jan 1, 1988