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Dust entry

Clay and ceramic-glaze dust

Dust generated while mixing clays and glazes in ceramic manufacturing.

Airborne form

dust

The form describes what is suspended in air at the point of exposure. A material can produce more than one form, such as dust during handling and fume during heating.

Health effects

respirable crystalline silica exposure concernrespiratory exposure concerneye irritation concern

Evidence

A NIOSH evaluation of clay and glaze mixing found one employee's silica exposure at the NIOSH recommended exposure limit and found that some high-dust tasks exceeded the silica excursion limit; NIOSH recommended local exhaust ventilation and proper respirator use.

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Description · 1
Investigators found that one employee's exposure for silica was at the NIOSH recommended exposure limit of 0.05 mg/m3. They also found that some samples taken during high dust-generating tasks exceeded the excursion limit for silica. HHE Program investigators recommended that facility managers install local exhaust ventilation in high dust-generating task areas ... and that employees use respirators when needed.

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