Browse TRAIL Inventories

Control of dust from blasting by a spray of water mist

A technique for use of the impinger method

Effect of angle of drilling on dust dissemination

Microprojection method for counting impinger dust samples

Relation of dust dissemination to water flow through rock drills

Determination by the dropping-Mercury-electrode procedure of lead, cadmium, and zinc in samples collected in industrial-hygiene studies

Standard methods for measuring extent of atmospheric pollution

Filter-paper method for obtaining dust-concentration results comparable to impinger results

Control of silicosis hazard by substitution of quartz-free or low-quartz material for sand under mine locomotives

Midget microprojector for dust determinations

Dust-counting cells

Size of smallest dust particles revealed by various microscopic systems

Relation between and precision of dust counts (light- and dark-field) from simultaneous impinger, midget-impinger, electric-precipitator, and filter-paper samples

Size of smallest particles determined in impinger dust-counting methods


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