2008 Direct-Reading Exposure Assessment Methods (D.R.E.A.M.) Workshop

 

Monitor/Rapporteur/Speaker Biographies

Jeri L. Anderson, Ph.D. received her B.S. in Physics, M.S. in Health Physics, and Ph.D. in Nuclear Engineering from the Georgia Institute of Technology and was awarded a postdoctoral fellowship at the Lovelace Respiratory Research Institute in Albuquerque, New Mexico. In between undergraduate and graduate degrees she worked on offshore oil rigs in the Gulf of Mexico as a field engineer for Schlumberger Well Services. She is a Health Physicist in the Occupational Energy Research Program of the Industry-Wide Studies Branch (IWSB), Division of Surveillance, Hazard Evaluations, and Field Studies (DSHEFS), National Institute for Occupational Safety and Health (NIOSH), a position she has held since June 2004. She is primarily responsible for performing retrospective radiation exposure assessments for epidemiological studies of workers occupationally exposed to radiation and radioactive materials. She is a member of the Health Physics Society, the American Nuclear Society, and the Cincinnati Radiation Society. Previously, Dr. Anderson was employed as a senior internal dosimetrist and consulting health physicist with a private radiological consulting firm outside Buffalo, New York.

Kevin Ashley, Ph.D. is currently a research chemist for the National Institute for Occupational Safety and Health, Division of Applied Research and Technology in Cincinnati, OH. Dr. Ashley was the recipient of the CDC/NIOSH Alice Hamilton Award in 2007 and is the author/co-author of 115 publications (67 peer-reviewed) and co-inventor of two US patents. Dr. Ashley received his Ph.D. in Chemistry from the University of Utah. He also holds a M.S. in Chemistry from Northern Arizona University and a B.S. in Biology from the University of Arizona.

Rebecca Lankey Blackmon, P.D. was a 1999-2001 AAAS EPA Fellow in OPPT/Industrial Chemistry Branch and a 2001-2002 ASME White House Fellow at the Office of Science & Technology Policy. Since 2003 Dr. Blackmon has worked as a Subject Matter Expert for the Technical Support Working Group in the Chemical, Biological, Radiological, and Nuclear Countermeasures subgroup. Dr. Blackmon's background is in engineering, with a Ph.D. in Civil & Environmental Engineering from Carnegie Mellon University, an M.S. in Materials Science & Engineering, and a B.S. in Mechanical Engineering.

Michael J. Brisson, M.S. has 30 years of analytical chemistry experience, including 20 years at the Department of Energy's Savannah River Site. Brisson's primary activities include technical support for sampling and analysis of beryllium and other metal particulates within DOE, and design of new analytical laboratories for industrial hygiene and nuclear applications. Brisson has been actively involved in development and improvement of voluntary consensus standard methods for sampling and analysis of workplace atmospheres, as well as development of performance criteria for real-time beryllium monitoring equipment. Brisson's current positions include chairman of the DOE/DOD Beryllium Health and Safety Committee; member of AlliA's Sampling and Laboratory Analysis Committee; Secretary of ASTM International Committee D22 on Air Quality; and U. S. delegate to ISO Technical Committee 146, Subcommittee 2 on Workplace Air.

Morgan Cox is a Certified Health Physicist serving as a senior consultant for the development of radiation detection standards for the Department of Homeland Security. He has over forty years of experience in health physics including operational practice, research and development, sales, marketing and servicing of radiation detection instrumentation. He has been involved in the development of radiation detection instrumentation standards for thirty five years for the American National Standards Institution (ANSI), and for over 20 years for the International Electrotechnical Commission (IEC). He is now the chairman of the IEC Technical Committee 45 for nuclear instrumentation, for nuclear reactor instrumentation and controls (I&C), for radiation protection for workers, the environment and the public, and for safeguarding special nuclear materials in all locations. He is also the co-chair of ANSI N42 subcommittees for Radiation Protection Instrumentation (RPI) and for Homeland Security Instrumentation (HSI). He has been a member of management for each of his employers including Westinghouse Electric, Harshaw Chemical, Victoreen Instruments and Eberline Instruments. He is a Fellow in the Health Physics Society.

John J. Earshen is an Acoustical Consulting Engineer and President of Angevine Acoustical Consultants, Inc. He is a graduate of the Massachusetts Institute of Technology and the State University of New York at Buffalo. Formerly he was Chief Scientist of Metrosonics, Inc., a firm that pioneered development of microprocessor based noise dosimeters. He was formerly Adjunct Professor at the University of Toronto; and Lecturer in Electrical Engineering at the University of Buffalo. At present he is Adjunct Professor at the Hearing Research Laboratory of the State University of New York at Buffalo. He is an active participant in acoustical standard formulation for the American National Standards Institute and is a Fellow of the Acoustical Society of America.

Peter Görner, Ph.D. was born in Czechoslovakia in 1950. He studied Chemical Engineering at the Technical University of Bratislava and received his Ph.D. in Physical Chemistry from Charles University of Prague. Since then, he has been involved in aerosol research. Dr. Görner was employed at the French National Coal Board Research Centre in Paris and from 1987 at National Research Institute on Occupational Safety and Health in Nancy, France. Since 2006, he has been head of the Laboratory of Aerosol Metrology. His current research interest is aerosol, bio-aerosol and nanoparticle sampling, measurement and analysis in the workplace. He is involved in design of some airborne particle samplers and has published several papers on performance of sampling and on direct reading measurement of aerosols.

Richard (Rick) Hansen, B.S. is a senior scientist in the Counter Terrorism Operations Support Program (CTOS) at the U.S. Department of Energy (DOE), National Nuclear Security Administration's (NNSA), Nevada Test Site (NTS). His primary role is supporting curriculum development in the areas of Radiological/Nuclear Weapons of Mass Destruction (WMD), nuclear radiation measurements, radiological emergency response operations, and performance-based training. Rick develops training courses to provide state and local first responders the capabilities to prevent WMD use and to respond to WMD events, under the training programs funded by the Federal Emergency Management Agency (FEMA) National Preparedness Directorate (NPD) and the U.S. Department of Homeland Security (DHS) Domestic Nuclear Detection Office (DNDO). Rick has been a scientist with the current NTS contractor (NSTec) and the previous NTS contractors (Bechtel Nevada - Lockheed Martin Nevada Technologies and EG&G Energy Measurements) since 1989. Prior to joining the CTOS Program, Rick was a DOE radiological nuclear emergency response team scientist tasked with research, development, and technical integration of sensors, computer algorithms, instruments (hand-held, vehicle-mounted, and fixed-facility), and field techniques for locating, identifying, and analyzing hidden nuclear material and environmental radioactive contamination. Rick is also Adjunct Faculty for Counter Terrorism Operations Support at the University of Nevada Las Vegas. Rick received his BS in Engineering Physics (1988) from the University of the Pacific.

Martin Harper, Ph.D. has been Chief of the Exposure Assessment Branch of the Health Effects Laboratory Division, National Institute for Occupational Safety and Health (NIOSH) since 2002. He is a Chartered Chemist by the Royal Society of Chemistry and Certified in the chemical aspects of Industrial Hygiene. His education includes degrees and diplomas in geology, analytical chemistry, pollution control, and environmental science. He was awarded his PhD from the London School of Hygiene and Tropical Medicine for research into air sampling methods development. He worked for a leading manufacturer of air sampling instruments (SKC, Inc.) for eleven years, leaving as Research Director for sampling media products. Dr. Harper taught for three years in the industrial hygiene program at the University of Alabama at Birmingham, and currently holds an adjunct post at West Virginia University and also teaches at the University of the West Indies. Dr. Harper has over 50 peer-reviewed publications, including articles in the Encyclopedias of Analytical Science, Analytical Chemistry, and Separation Science. He has served on many technical committees concerning air monitoring, receiving six awards for his work with the AIHA and ASTM. He served six years as Chair of the ISO TC146/SC2 subcommittee on workplace air quality, and five years as an Editorial Board member for Journal of Environmental Monitoring. He has organized and chaired several international conferences on air sampling and analysis. His interests include sampling and analysis of aerosols, including wood dusts, metals, metalworking fluids, fibers (including asbestos), silica and nanoparticles; active and diffusive gas and vapor sampling; indoor air chemistry; quality assurance of measurements; and exposure assessment strategies and models.

William Heitbrink, Ph.D. has been certified in the comprehensive practice of industrial hygiene since 1978. Since 2001, he is an Associate Professor in the Department Of Occupational and Environmental Health at the University of Iowa. Recent research project have all involved direct reading instruments to measure worker air contaminant exposure. These projects have included characterizing emission sources during final processes at vehicle assembly plant, concentration mapping in a foundry and an engine plant, and crystalline silica exposures during wet abrasive blasting and mortar removal. In 2001, he retired Public Health Service Officer with 30 years of research experience with the National Institute of Occupational Safety and Health (NIOSH). During his career at NIOSH, he conducted research on air sampling methods and the control of air contaminant exposures. The control measures research involved using instruments to study the relationship between process variables and air contaminant exposures. At the end of his Public Health Service career Dr. Heitbrink was awarded the Public Health Service's Meritorious Service Medal for his career achievements, the second highest honor a PHS officer can receive. He has also received awards from technical committees of the American Industrial Hygiene Association for published papers on aerosol science and air contaminant control. Among his professional activities that directly address control of occupational hazards is his membership on the following external committees: the American Industrial Hygiene Association's Engineering Committee, the American Society of Agricultural Engineering's Committee PM03-16 (Environmental Enclosures), and the Iowa Occupational Safety and Health Advisory Council.

Cynthia Jones, Ph.D. serves as the U.S. Nuclear Regulatory Commission’s Senior Technical Advisor for Nuclear Security, where she is responsible for providing technical and policy advice for operational initiatives associated with nuclear security, safeguards, and radiological protection. Dr. Jones’ has participated in international efforts with the International Atomic Energy Agency, the Nuclear Energy Agency, and as has published over 95 publications, reports, or speeches in the fields of nuclear science, radiological protection, and environmental engineering. Dr. Jones has a Ph.D. and an M.S. in Nuclear Engineering, a second M.S. degree in Health Physics, and a B.A. degree in Physics.

Dean R. Lillquist, Ph.D., MSPH, CIH is the Director of the USDOL/OSHA Salt Lake Technical Center (SLTC). The SLTC performs OSHA's analytical analysis and sampling and analytical methods development, as well as houses OSHA's Health Response Team, which provides technical and investigative support to the Agency. Prior to OSHA, Dr. Lillquist was Associate Professor and Director of the Industrial Hygiene Graduate Program at the Rocky Mountain Center for Occupational and Environmental Health at the University of Utah. He obtained his Ph.D. degree in Environmental Health from Colorado State University where he focused on industrial hygiene and industrial toxicology. He received his MSPH from the University of Minnesota, School of Public Health. Dr. Lillquist is the current President of the Foundation for Occupational Health and Safety (FOHS).

Brian Lowe, Ph.D, CPE is a Research Industrial Engineer with the Division of Applied Research and Technology at NIOSH in Cincinnati, Ohio. He has conducted research at NIOSH since 1998 mostly focusing on the assessment of exposure to risk factors for musculoskeletal disorders of the upper limbs. His research interests include the development and application of practical systems for quantifying hand coupling force. His work has been published in several journals, including Ergonomics, Applied Ergonomics, International Journal of Industrial Ergonomics, Human Factors and Ergonomics in Manufacturing, Medicine and Science in Sports and Exercise, Journal of Occupational Rehabilitation, and Journal of Occupational and Environmental Hygiene.

Dr. Lowe serves on the editorial board of Applied Ergonomics and has served as a reviewer for numerous professional and scientific journals. He holds an adjunct faculty appointment (Associate Professor) in the Department of Environmental Health at the University of Cincinnati. Dr. Lowe received a B.S. degree from Penn State University, a M.S. in Industrial and Systems Engineering from Virginia Tech, and a Ph.D. in Industrial Engineering from Penn State. He is a Certified Professional Ergonomist.

Mark L. Maiello, Ph.D. holds a bachelor's degree in physics from Manhattan College. He started his environmental health science career at New York University with a master's degree investigation of low energy X-ray emission from cathode ray tubes and a doctoral dissertation on the development of a themoluminescent dosimeter-based radon gas detector that was awarded a patent shared with his thesis advisor, Dr. Naomi Harley. In 1986, he joined the U.S. Department of Energy (DOE) at the Environmental Measurements Laboratory in New Yark City performing natural background radiation measurements and quality assessment testing of thermo luminescent dosimeters. Dr. Maiello later joined CoPhysics Corporation, a radiological consulting firm specializing in decommissioning and decontamination of academic and industrial facilities. He has published both peer-reviewed and non­technical papers on various topics concerning health physics and nuclear weapons. His work has appeared in Radiation Protection Dosimetry, Health Physics, Nuclear News, the on-line journal Weapons of Mass Destruction Insights, and in Health Physics News where he is a contributing editor. Mark is co-editor of the forthcoming book Radioactive Air Sampling Methods (the other co-editor is Dr. Mark Hoover of NIOSH) and contributed to The Aerosols Handbook, both from CRC Press. He has been a guest lecturer in radiation safety at New York University and the New Jersey Institute of Technology. Mark is presently employed as a radiation safety officer at the Pearl River, New York facility of Wyeth Research, a major pharmaceutical research and development company.

Matthew Magnuson, Ph.D. received his doctorate in chemistry in 1994, and performs environmental and analytical chemistry research for several Homeland Security applications, including field and online detection of water contamination. Involved with Homeland Security activities since 2001, he has co­authored over fifty water quality and water security publications, in journals as such Environmental Science & Technology, Analytical Chemistry, and Journal of the American Society for Mass Spectrometry. These activities have included the application of direct reading instruments. For instance, he served on the assessment panel of the Department of Homeland Security's All Hazard Receipt Facility (ARHF), which utilizes direct reading instruments for prescreening unknown and potentially hazardous samples collected under unusual or suspicious circumstances. Another example is that he developed and presented training for site characterization activities for the Water Security Initiative, EPA's response to Homeland Security Presidential Directive (HSPD) Number 9. The audience for the training is laboratory and field personnel, as well as emergency responders. This training includes personnel safety, application of field instrumentation for chemical, biological, and radiological hazards, sample collection and analysis, and handling to preserve the evidentiary qualities of samples. One component of this training is a workshop, focused on the application of Hazmat equipment and appropriate interpretation of the resulting data. This equipment ranges from colorimetric techniques to sophisticated field analytical instruments, such as ion mobility and mass spectrometers.

David Mark, Ph.D. has just retired as Head of Exposure Control and Measurement Section at the Health and Safety Laboratory (HSL), Buxton, UK. He is a physicist who has spent the last 38 yrs carrying out research into the measurement and control of aerosols mainly in workplace, but also in ambient environments. His interest in direct reading dust monitors derives from studies when working for the UK National Coal Board on the development and testing of instruments (mainly light scattering) for evaluating the efficiency of respirable dust control measures deployed underground in coalmines. It continued with measurement of exposure to ambient air pollutants, both indoors and outdoors, the assessment of particulate exhaust emissions from diesel and gasoline powered vehicles, and currently involves studies on the measurement of exposure to airborne nanoparticles in workplaces. He represents the UK on a number of international standards committees and will present the work currently being carried out by CEN/TC 137/WG3 to produce guidance on the use of direct reading aerosol monitors in work places.

Raymond W. McGorry MSBE, PT, CPE has been a senior research scientist with the Liberty Mutual Research Institute for Safety since 1993. He conducts laboratory and field investigations of work ­related injury and illness and is a regular collaborator on ergonomic studies with other investigators. His research interests include developing work measurement instrumentation, biomechanics, exposure assessment, force measurement during hand tool use, and investigating approaches to musculoskeletal rehabilitation. Prior to joining the Research Institute, Mr. McGorry worked as a physical therapist and as a biomedical engineer. A recipient of three patents related to measurement of human performance and movement, he has also served as a reviewer of field-initiated research proposals for the National Institutes of Health and National Institute for Disabilities and Rehabilitation Research (NIDRR). He is a reviewer for several professional and scientific journals, and has published in Ergonomics, Applied Ergonomics, International Journal of Industrial Ergonomics, Spine, Journal of Spinal Disorders, Journal of Occupational Rehabilitation, and the Journal of Occupational and Environmental Hygiene. Mr. McGorry holds a B.S. in biology from Villanova University, a graduate certificate in physical therapy from Emory University, and an M.S. in bioengineering from Clemson University. He also completed a post-graduate fellowship in rehabilitation engineering at the Massachusetts Institute of Technology.

John Meeker, SeD, MS, CIH is an assistant professor in the Department of Environmental Health Sciences at the University of Michigan School of Public Health where he teaches graduate level courses in environmental health, exposure science and industrial hygiene. His research interests involve exposure science, reproductive and developmental epidemiology, and assessing exposure and engineering controls in construction.

Jayne B. Morrow, Ph.D. has focused her research to the study of bacterial surface interaction and the implications on fate and transport. Her undergraduate degree is in Civil Engineering from Montana State University where she was an undergraduate research fellow at the Center for Biofilm Engineering. Her M.S. and Ph.D. are both in Environmental Engineering from the University of Connecticut where she studied the fate of pathogenic bacteria and plasmid borne resistance mechanisms in environmental systems. More recently during her tenure at NIST, her research has focused on sampling issues relative to the decontamination of buildings after a bioterror event. Over the last three years, she have been investigating the fate of Bacillus spores in water distribution systems and developing decontamination strategies in a project that was partially funded by the EPA National Homeland Security Research Center in Cincinnati. Part of this work has focused on developing an accurate model of water distribution systems that incorporates biofilm formation by organisms native to the water system and how those biofilms impact the susceptibility of contaminant spores to disinfection. Currently, she is studying the impact of surface properties on aggregation and surface adhesion of Bacillus anthracis Sterne spores and other potential pathogenic bacteria. She has embarked on a Validated Surface Sampling Project that is funded by the Department of Homeland Security to address available methods for the sampling of biological agents on nonporous surfaces and to develop a standard method to evaluate wipe efficiency for the sampling of Bacillus spores on nonporous surfaces before and after building decontamination. This research focuses on determining optimum strategies for the sampling and removal of non-visible spore contamination from surfaces commonly found in industrial and residential settings after a bioterror incident.

Terri A. Pearce, Ph.D. is a Senior Service Fellow in the Laboratory Research Branch of the Division of Respiratory Disease Studies at the National Institute for Occupational Safety and Health (NIOSH). Dr. Pearce received both a Ph.D. in Industrial Hygiene and a Master’s degree in Industrial Hygiene and Environmental Management from the University of Oklahoma Health Sciences Center. Prior to joining NIOSH, Dr. Pearce was in private industrial hygiene practice. Her NIOSH research projects focus upon aerosol exposure assessment with particular emphasis on use and validation of direct-reading instruments for characterizing workplace exposures.

Michael Phillips, MD, FACP is the founder and chief executive officer of Menssana Research, Inc. a firm specializing in developing non-invasive methods for disease detection. Menssana Research has developed a portable breath collection apparatus (BCA) which is currently undergoing clinical studies to evaluate breath testing in several diseases including lung cancer, breast cancer, heart transplant rejection, ischemic heart disease, kidney disease and diabetes mellitus. The Food and Drug Administration has approved the breath test for heart transplant rejection for clinical use. Dr. Phillips is also a Professor of Clinical Medicine at New York Medical College, Valhalla, NY.

Robert G. Radwin, PhD is Professor and founding Chair of the Department of Biomedical Engineering at the University of Wisconsin. He also holds academic appointments in the Department of Industrial and Systems Engineering in the College of Engineering, and in the Department of Orthopedics and Rehabilitation in the Medical School. He actively studies the recognition, causes and control of musculoskeletal disorders in manual work. His research is concerned with developing measurement and analytical methods for assessing exposure to physical stress in the workplace; understanding ergonomics aspects of the design, selection, installation and use of manually operated equipment including hand tools; and quantifying functional deficits associated with musculoskeletal disorders and peripheral neuropathies. He is frequently a consultant to industry and government agencies for his expertise in industrial health and ergonomics in manufacturing and product design. Dr. Radwin is a Fellow of the American Institute of Medical and Biological Engineers, the Biomedical Engineering Society, the Human Factors and Ergonomics Society (US), and the Ergonomics Society (UK). He is a member of the NIOSH Study Section and the Association for the Advancement of Medical Instrumentation Human Factors Engineering Committee (HE75 Draft Standard for Human Factors Design of Medical Devices).

Stephen M. Rappaport, Ph.D. received his B.S. degree in Chemistry from the University of Illinois in 1969 and his Ph.D. in Environmental Sciences and Engineering from the University of North Carolina in 1973. Between 1976 and 1990 he was Professor of Environmental Health at the University of California, Berkeley. He left Berkeley in 1990 to join the faculty of the University of North Carolina, and, in 2006, he returned to his former position at Berkeley. Professor Rappaport is Principal Investigator of the new NIH-funded Center for Biological Response Indicators of Environmental Stress, a multidisciplinary program project that brings together Berkeley researchers from Public Health, Chemistry, and Electrical Engineering to develop a new generation of biomarkers and biosensors. He is a pioneer in the emerging field of 'Exposure Biology', and much of his current research involves development and application of biomarkers of exposure to toxic chemicals, including benzene and polycyclic aromatic hydrocarbons. He uses environmental measurements and biomarkers to elucidate the metabolism of these substances in exposed subjects and to quantify interindividual variability in biomarker levels due to genetic, environmental and lifestyle factors. Prof. Rappaport has also published extensively in areas related to the assessment of long-term chemical exposures for purposes of controlling workplace hazards and of investigating exposure-response relationships. He has more than 170 peer-reviewed publications and has collaborated extensively with investigators throughout the world.

Mark Spence, MS received BS and MS degrees in chemistry from Clarkson University and Michigan State University, respectively. Mark has worked in Environment, Health and Safety at the Dow Chemical Company in Midland, Michigan for the last 30 years. Following an initial assignment in environmental toxicology, the majority of Mark's Dow career has been in various industrial hygiene roles. A Certified Industrial Hygienist, his areas of specialty include respiratory protection & personal protective equipment, and industrial hygiene exposure monitoring. Mark is currently a member of Dow's EH&S Regulatory Affairs, where he serves as Dow's Manager of Health & Safety Regulatory Affairs.

Pam Susi, MS serves as the Exposure Assessment Program Director for CPWR - the Center for Construction Research and Training (formerly the Center to Protect Workers Rights) - a research and training arm of the Building and Construction Trades Department, AFL-CIO. She received a Masters of Science in Public Health in Air and Industrial Hygiene at the University of North Carolina at Chapel Hill in 1991. Ms. Susi began working at CPWR in 1993 and has since been active in developing new exposure assessment strategies for construction - a particularly challenging industry for industrial hygienists. She has co-chaired with NIOSH, the CPWR/NIOSH Engineering and Work Practice Controls Workgroup since 1994. Ms Susi has been a member of the Carpenters Union for over 25 years and has worked in construction since 1981, as a carpenter until 1988 and as an industrial hygienist since 1991.

Charles Timchalk, Ph.D. received a B.S. in Biology from the State University of New York, and a Ph.D. from the Department of Pharmacology and Toxicology, The Albany Medical College. He joined the Dow Chemical Company as a post-doctoral fellow within the Biotransformation and Molecular Toxicology Group of the Toxicology Research Laboratory. At Dow he was a Research and Technical Leader within the Pharmacokinetics and Metabolism group prior to accepting his current position. He is currently a Staff Scientist within the Center for Biological Monitoring and Modeling at the Pacific Northwest National Laboratory. In this position he is continuing to pursue his interest in the application of pharmacokinetics for evaluation of human health risk. His research is currently focused around 3 themes: 1) the development of new technologies and approaches for non-invasive biological monitoring. 2) Advancing pharmacokinetic and pharmacodynamic modeling to focus on the assessment of risk to potentially sensitive populations, such as children, and to evaluate the health risk implications of low dose chemical mixture exposure. 3) The utilization of advanced imaging and 3­dimensional modeling approaches to develop new dosimetry and biological response models.

Jon C. Volkwein, M.S. has over 30 years of experience in the mining research field -- initially with the Bureau of Mines and now at NIOSH. His research has covered areas of dust measurement and control in silica processing, coal mine ventilation, methane control, coal mine productivity, inert gas protection of high wall mining systems, applications of biotechnology to mining, and currently -- improved dust monitoring for mining. His research has taken him into well over 100 different mines and mills throughout the U. S. and has resulted in over 180 papers and presentations of the work. Mr. Volkwein has a BS in Chemistry and an MS in Biology from the University of Pittsburgh. He is a co-recipient of a 2004 R&D 100 Award for his work on the Personal Dust Monitor.

Peng-Yau Wang, Sc.D. is an Associate Professor at the Graduate Institute of Environmental Engineering at National Central University, ChungLi, Taiwan. His research interest is Dr. Wang completed an Environmental Science Sc.D. at Harvard University in 1997. He previously completed M.S. and S.B. degrees in Environmental Engineering at the National Cheng Kung University, Tainan, Taiwan. Dr. Wang's research interests include real-time monitoring of worker exposure in relation to work activity. He has several research publications as well as four Chinese and three US Patents related to that interest area.

James Weeks, Sc.D. is an industrial hygienist consultant to the United Mine Workers of America. He first became involved in the values of direct-reading instruments for respirable dust in 1978 when the beta-gauge was being considered for use in the coal mining industry. More recently, he was a member of the joint Operator-NIOSH-Union committee on the PDM and helped to develop a common position on its use for presentation to MSHA. He received an engineering degree from the University of California, Berkeley and a ScD in public health from Harvard.

Wassana Yantasee, Ph.D. is Senior Scientist at the Pacific Northwest National Laboratory, operated by Battelle for the U.S. Department of Energy. Yantasee received a B.S. (1995) in Chemical Engineering from Chulalongkom University, Thailand while receiving her M.S. (1999), Ph.D. (2001) in Chemical Engineering, and MBA (2001) from Oregon State University. She specializes in functional nanomaterials for environmental and medical applications. She is a leader in developing portable metal analyzers based on preconcentration of toxic metals using functional silica and magnetic nanoparticles followed by metal detection using voltammetric techniques. She has developed portable sensors for noninvasive biomonitoring of lead, funded by NIEHS. Yantasee is currently the PI of a CDC/NIOSH/R21 project entitled ''Portable Analyzer for On-site Monitoring of Worker Exposure to Toxic Metals", the PI ofNIEHSIR21 project entitled “Novel Chelators for Highly Efficient Removal of Toxic Heavy Metals in Humans”, a co-PI of NIH/NIAID/Project BioShield entitled “Selective Nanoporous Sorbent for Radionuclide Decorporation”, and a co-I of NIH/NIAID/Project BioShield entitled “Rapid Assay for Internalized Radionuclides with Advanced Materials and Methods Mechanisms, Diagnosis and Treatment of Radiation Injury From a Nuclear Accident or Terrorist Attack”. In 2007, she has received Ronald L. Brodzinski Award for Early Career Exceptional Scientific Achievement. Yantasee is a judge for NIEHS (superfund) and DOE/SBIR (subsurface monitoring) proposals. She has 3 patent applications, 6 invention reports, and authored over 35 peer-reviewed papers and three book chapters.

Edward T. Zellers, Ph.D. earned his BA degree in Chemistry from Rutgers University in 1978 and the MS (1984) and PhD (1987) degrees in Environmental Health Sciences from the University of California, Berkeley. From 1978-1981, he worked at Bell Laboratories, Murray Hill, N. J. on the synthesis and characterization of electrically conductive organic materials. He joined the faculty at the University of Michigan in 1987 and is currently a Professor in the Department of Environmental Health Sciences (EHS) and in the Department of Chemistry. Since 1999, he has been the Director of the Industrial Hygiene Program in the EHS Department. Since 2001, he has been the Leader of the Environmental Sensors and Subsystems Thrust in the NSF-funded Engineering Research Center for Wireless Integrated Microsystems (WIMS) at Michigan, where he coordinates an effort to develop a wireless microfabricated gas chromatograph for monitoring complex organic-vapor mixtures in air and biological media. He has been involved in research on chemical micro sensors and micro­instrumentation for over 23 years and has authored/co-authored over 100 publications on these and other topics related to the evaluation of exposures to toxic chemicals.