hearing before the Subcommittee on Workforce Protections, Committee on Education and the Workforce, U.S. House of Representatives, One Hundred Fourteenth Congress, second session, hearing held in Washington, DC, April 19, 2016 United States Congress. House. Committee on Education and the Workforce. Subcommittee on Workforce Protections, creator author. text bibliography Legislative hearings. dcu 2016 monographic eng 1 online resource (iv, 181 pages) : illustrations Paper version available for sale by the Superintendent of Documents, United States Government Publishing Office. "Serial no. 114-46." CRDP Program record. Includes bibliographical references. n-us--- Silica Safety measures Government policy United States Silica Safety regulations Government policy United States Industrial safety Government policy United States Occupational diseases United States Prevention Silica Carcinogenicity United States. Occupational Safety and Health Administration Rules and practice KF27 .E39 2016a Y 4.ED 8/1:114-46 Y 4.ED 8/1:114-46 United States. Congress. House. Committee on Education and the Workforce. Subcommittee on Workforce Protections. (OCoLC)969779836 http://purl.fdlp.gov/GPO/gpo75890 http://purl.fdlp.gov/GPO/gpo75890 GPO 170123 20170210123721.0 ocn969779765 eng