Dupont [2010]. “Zodiaq” Quartz Surfaces (Material Safety Data Sheet).   Retrieved from: http://www.4willis.com/pdf/zodiaq/MSDS-ZodiaqSlab_Aug2010.pdf.

Kramer MR, Blanc PD, Fireman E, Amital A, Guber A, Rhahman NA, Shitrit D. Artificial Stone Silicosis: Disease Resurgence Among Artificial Stone Workers.  Chest. 2012;142(2):419-424.

Pérez-Alonso A, Córdoba-Doña JA, Millares-Lorenzo JL, Figueroa-Murillo E, García-Vadillo C, Romero-Morillo J.  Outbreak of silicosis in Spanish quartz conglomerate workers.  Int J Occup Environ Health. 2014;20(1): 26-32.

Phillips ML, Johnson DL, Johnson AC.  Determinants of Respirable Silica Exposure in Stone Countertop Fabrication: A Preliminary Study.  J Occup Environ.Hyg. 2013; 10:368-373.

Schwartzkopf  E [2013]. 2012 U.S. Quartz Imports Boom. Stone Update.  February 21, 2013.  Accessed at: http://www.stoneupdate.com/us-stone-imports/analysis-mid-yearannual/505-2012-us-quartz-imports-boom. 

Simcox N, Lofgren D, Leons J, Camp J. Silica Exposure During Granite Countertop Fabrication. Appl Occup Environ Hyg. 1999;14(9): 577-582.

StatWatch: Quartz Up, But Not by Half.  Stone Update.  June 12, 2013.  Accessed at:  http://www.stoneupdate.com/us-stone-imports/statwatch-monthly-report/570-statwatch-quartz-up-but-not-by-half

US Department of Labor Office of Public Affairs.  US Department of Labor’s OSHA cites Venetian Marble & Granite in Helotes, Texas, for exposing workers to excessive levels of respirable silica. Region 6 News Release: 11-194-DAL. Occupational Safety and Health Administration website: https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=NEWS_RELEASES&p_id=19320 . Published February 24, 2011.  Accessed January 29, 2014.

US Department of Labor Office of Public Affairs. US Labor Department’s OSHA cites Edison, NJ, manufacturer for failing to correct past workplace safety and health hazards, other violations Region 2 News Release: 11-518-PHI (OSHA 11-027).  Occupational Safety and Health Administration website: https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=NEWS_RELEASES&p_id=19581 .  Published April 11, 2011. Accessed January 29, 2014.

US Department of Labor Office of Public Affairs. US Labor Department’s OSHA cites Delta Granite and Marble in San Antonio for exposing workers to excessive levels of respirable silica, other hazards. Region 6 News Release: 11-895-DAL. Occupational Safety and Health Administration website: https://www.osha.gov/pls/oshaweb/owadisp.show_document?p_table=NEWS_RELEASES&p_id=20142.  Published June 27, 2011.  Accessed January 29, 2014.