Understanding Silica Exposure Risks and Controls for Wellsite Completions Crews

摘要

The National Institute for Occupational Safety and Health (NIOSH) is conducting research to identify possible workplace exposures in oil and gas extraction. This article describes results and conclusions of wellsite measurements for respirable crystalline silica associated with the use of silica sand-the primary proppant used in hydraulic fracturing. To learn more about frac sand see Well Servicing, January/February 2012, Where Does Frac Sand Come From?