Ann. Occup. Hyg., 2014, Vol. 58, No. 4, 512–523 doi:10.1093/annhyg/met075 Advance Access publication 27 January 2014
Collection Efficiencies of High Flow Rate Personal Respirable Samplers When Measuring Arizona Road Dust and Analysis of Quartz by X-ray Diffraction Peter Stacey1*, Taekhee Lee2, Andrew Thorpe3, Paul Roberts3, Gillian Frost4 and Martin Harper2 1.Analytical Sciences Unit, Health and Safety Laboratory, Harpur Hill, Buxton SK17 9JN, UK; 2.Exposure Assessment Branch, Health Effects Laboratory Division, National Institute for Occupational Safety and Health, Morgantown, WV 26505, USA; 3.Occupational Hygiene Unit, Health and Safety Laboratory, Harpur Hill, Buxton SK17 9JN, UK; 4.Mathematical Sciences Unit, Health and Safety Laboratory, Harpur Hill, Buxton SK17 9JN, UK *Author to whom correspondence should be addressed. Tel: +44 (0)1298 218554; fax: +44 (0)1298 218571; e-mail:
[email protected] Submitted 17 May 2013; revised 26 November 2013; revised version accepted 2 December 2013.
A b st r a ct Prolonged exposure to respirable crystalline silica (RCS) causes silicosis and is also considered a cause of cancer. To meet emerging needs for precise measurements of RCS, from shorter sampling periods (
