Crystalline silica is created when cutting, sawing, grinding, drilling and crushing stone, rock, concrete, brick ... 7.4 Crystalline Silica Exposures and Written Exposure Control Plan The University ...

Given the silica ... from silica exposure, including a table of suggested engineering controls for reducing airborne dust. Our current study of silica exposures during concrete cutting focuses ...

Respirable crystalline silica – very small particles at least 100 times smaller than ordinary sand you might find on beaches and playgrounds – is created when cutting, sawing, grinding, drilling, and ...