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Respirable dust sampling requirements under the Federal Coal Mine Health and Safety Act of 1969

Proceedings of the symposium on respirable coal mine dust, Washington D.C., November 3-4, 1969

Evaluation of the penetration characteristics of a horizontal plate elutriator and of a 10-mm nylon cyclone elutriator

Radiant heating of coal dust clouds by flames in coal mine galleries

Control of the dust explosion hazard on coal mine shuttle-car runways

Spark-source mass spectrometer investigation of coal particles and coal ash

An evaluation of the respirable dust sampling program in United States underground coal mines

Effect of Coal Mine Health and Safety Act of 1969 on respirable dust concentrations in selected underground coal mines

Inhibition of coal dust-air flames

Detection of organic compounds in respiratory coal dust by high-resolution mass spectrometry

Bureau of Mines procedure for evaluating quartz content of respirable coal mine dust

Dispersal of coal- and rock-dust deposits

The effect of pulsation damping on respirable dust collected by coal mine dust personal samplers

Use of steam to control respirable coal dust at the point of generation

Tests for analyzing the incombustible content of coal mine dust using instruments employing a gamma-ray backscatter technique

Recent developments in coal mine fire and explosion prevention research

Comparison of respirable dust concentrations measured with MRE and modified personal gravimetric sampling equipment

The spectral growth of expanding flames :the infrared radiance of methane-air ignitions and coal dust-air explosions

Respirable dust adhering to run-of-face bituminous coals

Evaluation of a machine-mounted dust collector

The dustiness of different coal seams

Coal mine dust incombustibles content analyzer using a gamma-ray backscatter technique

Methane and dust controls for longwalls:Pocahontas no.3 coalbed, Grundy, Va.

Dust suppression with water sprays during continuous coal mining operations

Field testing the microminerresearch continuous miner

Effect of depth of cut and bit type on the generation of respirable dust

Airborne respirable dust generated during cutting of coal with water jets

Nonclogging water spray system for continuous-mining machines :installation and operating guidelines

Reduction of dust and energy during coal cutting using point-attack bitswith an analysis of rotary cutting and development of a new cutting concept

Dust control on a longwall face with a shearer-mounted dust collector

Water infusion of coalbeds for methane and dust control

Effect of water sprays for respirable dust suppression with a research continuous-mining machine

Comparison of five types of low-energy scrubbers for dust control

Effect of symmetric bit wear and attack angle on airborne respirable dust and energy consumption

Dust control for a borer-type continuous miner using a venturi scrubber on a transfer car

The flammability of coal dust-air mixtures :lean limits, flame temperatures, ignition energies, and particle size effects

Laboratory evaluation of the MRDE scrubber

Triggered barriers for the suppression of coal dust explosions

Sideboard device for improved face ventilation in coal mines


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