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Mr. Drew Van Orden is a senior scientist at RJLG. He has more than 20 years of experience developing asbestos analytical methods; analyzing asbestos-containing materials; and the design, conduct and evaluation of studies to measure potential asbestos release from asbestos-containing materials. Mr. Van Orden has been qualified as an expert in State and Federal courts in numerous asbestos cases. He has testified about the development and use of scientific knowledge and techniques regarding the collection, analysis and measurement of airborne asbestos levels and governmental and industrial standards, past and present, for airborne asbestos and the history and current methodologies for electron microscopy. While at RJLG, Mr. Van Orden has directed quality assurance activities including registration and certification in national and state laboratory certification programs. He has participated in a number of large, national evaluations of ambient asbestos concentration studies and was a contributor to the asbestos review conducted by the Health Effects Institute-Asbestos Research (HEI-AR). He directed a study of earthquake effects on airborne asbestos concentrations, participated in EPA investigations into airborne asbestos concentrations in public buildings, and has conducted statistical analyses of numerous voluminous and complex data sets. Mr. Van Orden was the lead author of an American Society for Testing and Materials (ASTM) standard for the collection, preparation, and analysis of surface dusts for asbestos and was the principal author of a method to analyze airborne particles at mines and quarries. He is a member of the Society of Mining Engineers, the National Society of Professional Engineers, the Pennsylvania Society of Professional Engineers, American Society for Testing and Materials, American Society for Quality and the American Industrial Hygiene Association. He also is a registered Professional Engineer in the Commonwealth of Pennsylvania. He has published in peer-reviewed literature. | 