Biosketches
Mr. Calvi, an Engineering Technician, joined EPA in 1997. Marc
is a lead operator for the Branch’s Air Pollution Control System, aka the
Flue Gas Cleaning System (FGCS), which supports 5 hazardous waste combustors.
He also operates a Scanning Electron Microscope in conjunction with an EDX
system and compiles the data that is produced. His other areas of expertise
include: recordkeeping of test activities, preparation of manuals and guidance
documents, electrical wiring, and developing system flow schematics and diagrams.
Prior to joining EPA, Marc worked with Acurex Corporation (now Arcadis, Geraghty
and Miller) for 10 years as the lead FGCS operator in EPA/RTP’s Hazardous
Waste Permitted Facility. Marc graduated from East Main Vocational Institute,
Bangor, Maine, in 1976 with an AA degree in Electronics Technology.
Dr. Gullett, an Environmental Engineer, joined EPA in 1985. Brian
is an international expert in trace combustion by-product formation, mainly
chlorinated dibenzodioxins and dibenzofurans (CDD/F). His current work includes
development of the application of Resonance-Enhanced MultiPhoton Ionization
(REMPI) toward use as a trace air toxic detector, determining the reaction
kinetics of CDD/F formation, and research on the kinetics, and determing emission
factors from open and uncontrolled burining. He has authored over 150 papers
including 70 journal articles; has presented invited lectures in the U.S.,
Australia, France, Sweden, Germany, and Korea; and has served as conference
and session chairs for international symposia on CDD/F formation. He is a
10-time recipient of EPA scientific and technological awards and has received
the National Society of Professional Engineers' Science Achievement Award
in Engineering and EPA Federal Engineer of the Year Award. He is the Air Pollution
Editor for journal Environmental Science. He also serves as the Compliance
Pillar Co-Chair of the Department of Defense's Strategic Environmental Research
and Development Program (SERDP). Brian earned his A.B., M.S., M.E.M., and
Ph.D. degrees from Duke University.
Mr. Hall, a Mechanical Engineer, is a Charter Employee of EPA
who joined the Agency in 1970. Bob is Chief of the Air Pollution Technology
Branch and manages a staff of engineers and scientists whose research includes
studies on NO
x, SO
x, particulate matter, and air toxics
that are emitted from a variety of combustion sources such as boilers, engines,
hazardous waste incinerators, and municipal waste combustors. He has over
70 technical publications and one patent. His research has focused on NO
x
control via combustion modification. While managing an incineration research
program at EPA for the past 30 years, Bob has provided leadership to professional
societies, including the Air & Waste Management Association for which he is
a Past President, the American Society of Mechanical Engineers (ASME), the
ASME's Research Committee on Industrial and Municipal Waste, and the American
Flame Research Committee. He has received numerous awards and commendations
recognizing his scientific and leadership achievements, including the EPA
Gold Medal. Bob obtained his B.S. and M.S. degrees in Mechanical Engineering
from the University of Kentucky.
Mr. Hughes, an Engineering Technician, joined EPA in 1999. Don
is the Branch’s lead technician for the Innovative Furnace Reactor and provides
technical support to the Branch’s Post-Docs and their EPA/RTP laboratory operations.
Prior to joining EPA, Don was employed with Acurex Corporation (now Arcadis,
Geraghty & Miller) and worked on various Branch combustion systems, including
a program that investigated sorbents and diesel engine emission controls for
U.S. Naval ships. He is an active participant in many EPA activities including
the Agency’s Human Resource Council. Don received an AA degree in Manufacturing
Engineering Technology in 1980 from Forsyth Technical Institute.
Dr. Hutson, a Chemical Engineer, joined EPA in 2001. Prior to
joining EPA, Nick worked for 8 years in waste management at the U.S. Department
of Energy’s Savannah River Site. He is an expert in radioactive waste management
including vitrification of high-level defense waste. At EPA, he is developing
and characterizing environmentally useful materials, including sorbents and
catalysts, and evaluating multi-pollutant control technologies. He has authored
and co-authored more than 11 environmentally-related papers. Nick received
his B.S and M.S. degrees in Chemical Engineering from the University of Tennessee
1986 and 1988, respectively, and a Ph.D. in Chemical Engineering from the
University of Michigan in 2000. He is active in The American Institute of
Chemical Engineering (AIChE), American Chemical Society (ACS), and American
Ceramic Society. Nick works under the EPA Post Doctoral program and is also
an Adjunct Assistant Professor in the Department of Environmental Sciences
and Engineering at the University of North Carolina at Chapel Hill.
Dr. Lee, a Physical Scientist, joined EPA in 1990. C.W. works
in the areas of emissions and control of dioxins and other bioaccumulative
persistent toxic compounds from combustion, speciation of mercury in coal
and waste combustion, activated carbons for mercury emission control, characterization
of emissions from open burning of biomass, and alternative fuel combustion.
He collaborated with researchers at the National Institute for Resources and
Environment in Japan on dioxin research for six months in 2000. He is also
part of an EPA team to cooperate with the Industrial Technology Research Institute
in Taiwan for demonstrating reburning technology for NO
x control.
C.W. has authored or co-authored and published over 17 papers relating to
various environmental subjects. He was honored as a Fellow by the Science
and Technology Agency (STA), Government of Japan, and Fellow by the Agency
for Industrial Science and Technology (AIST), Government of Japan, in 2000.
He received a B.S. in Applied Chemistry from the University of Portsmouth,
England, and M.S. and Ph.D. degrees in Fuel Science from the Pennsylvania
State University. He is a member of the American Chemical Society and the
Air and Waste Management Association.
Dr. Lemieux, a Chemical Engineer, joined EPA in 1987. Paul researches
the formation and control of products of incomplete combustion from incinerators
and other stationary combustion sources; formation and control of dioxins,
furans, PCBs, and other chlorinated organics from combustors; open burning
of various materials; and the use of artificial intelligence for combustion
applications. He is part of an EPA team awarded two patents for artificial
intelligence control techniques, and serves on the Program Advisory Committee
for the International Conference on Incineration and Thermal Treatment Technology.
He has been honored at EPA for his technical accomplishments with a number
of scientific and technological awards. Paul received his B.S. Degree in Chemistry
from Seattle University in 1982 and a Ph.D. in Chemical Engineering from the
University of Utah in 1987.
Dr. Linak, a Chemical Engineer, joined EPA in 1985. Bill is an
international expert on experimental and modeling studies examining trace
metal transformations and aerosol formation within waste incineration and
fossil fuel combustion systems, and examining the use of inorganic sorbents
to control toxic metal speciation, particle size distributions, and emissions.
He is also recognized for his expertise in research on: the effect of fuel
chlorine content on NO
x formation in incineration systems; applying
low NO
x precombustor and reburning technologies to the combustion
of high nitrogen content fuels and the incineration of nitrogen-containing
wastes; measuring N
2O emissions from combustion sources and determining
kinetic mechanisms of N
2O formation and destruction; and modeling
transient phenomena and gas-phase mixing in rotary kiln incinerators. Bill
has received a number of awards for his scientific and technological achievements
and was invited as Visiting Research Scientist at Japanese National Institute
for Resources and Environment in 1995. He is the author of over 30 peer-reviewed
journal publications and three patents. Bill earned his B.S. degree in Chemical
Engineering from Michigan State University in 1977, and M.S. and Ph.D. degrees
in Chemical Engineering from the University of Arizona in 1980 and 1985.
Dr. Miller, a Mechanical Engineer, joined EPA in 1991. Andy is
an expert in characterizing particulate matter from coal and oil combustion,
NOx control by combustion modification, and characterization of emissions
from the combustion of emulsified fuels, including Orimulsion®. His papers
include articles on air toxics emissions from fossil fuels, on reburning as
a NO
x control method, and on characteristics of PM from combustion
sources. He is also part of an EPA team awarded two patents for artificial
intelligence control techniques. Andy has been recognized with a number of
scientific and technological awards and commendations for his technical contributions.
He earned his B.S. and M.S. degrees in Mechanical Engineering from the University
of Arizona, and a Ph.D. in Mechanical Engineering from North Carolina State
University. Andy is also a registered Professional Engineer in North Carolina.
Dr. Owens, an Analytical Chemist, joined EPA in 2001. Clyde's
expertise is in sample fractionation coupled with chemical characterization,
structure activity analyses, and bioassay testing to nominate and classify
potential identification of endocrine disrupting chemicals (EDCs) in vehicular
and stationary combustion emissions. Prior to joining EPA, he was a Post-Doctoral
Researcher at Oak Ridge National Laboratory working on high temperature pyrolysis
of biomass products such as plant steroids, carbohydrates, proteins, and amino
acids as a determining factor in tobacco combustion. Clyde has six environmental
publications. He obtained his Ph.D. from Louisiana State University in 2000,
and is a member of the American Chemical Society and Analytical Chemistry,
Separation Science. Clyde works under the EPA Post Doctoral program.
Mr. Ryan, a Chemist, joined EPA in 1995. Jeff is an expert in
emissions measurements from combustion systems. He has over 15 years experience
selecting, developing and evaluating sampling and analytical methods appropriate
for characterizing organic and inorganic gaseous and particulate combustion
process emissions. Jeff manages a research program to evaluate manual methods
and continuous emission monitors for speciated and total mercury measurements
from combustion sources. He also provides technical support to EPA’s Program
and Regional Offices on developing emissions measurement guidance protocols.
Jeff has contributed heavily to other environmental programs, including preparing
an international workshop proceedings and giving expert testimony on data
relevant to an environmental disaster lawsuit. He has authored or co-authored
over 21 papers on various environmental related topics, and has received multiple
Agency awards for his scientific and technological accomplishments. Jeff obtained
his B.S. in Chemistry and Biology at High Point University, High Point, NC,
in 1982.
Dr. Ryan, an Environmental Engineer, joined EPA in 2001. Shawn
works in the area of trace combustion by-products formation, partitioning
and sampling, focusing primarily on polychlorinated dibenzo-p-dioxins and
dibenzofurans (PCDD/F) in the EPA’s APTB Branch. His current research includes
the development of a sampling technique to determine the partitioning of semi-volatile
compounds (SVCs), including formation of trace by-products of combustion (especially,
PCDD/F), in particle-laden combustion flue gases, modeling SVC phase partitioning,
minimizing sampling biases for online detection of trace by-products via jet-REMPI
(Resonance Enhanced Multiphoton Ionization) and determining reaction kinetics
of PCDD/F formation. Shawn earned his B.S. Degree in Environmental Engineering
and M.S. and Ph.D. in Chemical Engineering all from Rensselaer Polytechnic
Institute, Troy, New York. He is a member of Air and Waste Management Association.
Shawn works under the EPA Post Doctoral program.
Ms. Sarles, the Branch secretary, moved to North Carolina from
Florida and joined EPA in November 1994. Prior to this, Mickey, a native of
Missouri, worked as a personnel manager with a Florida corporation, then later
ran her personal business "The Frame Up" -- a custom framing shop where she
catered to the ‘jet set’. She joined EPA because of her environmental concerns
and has been dedicated in her support of Agency goals. Mickey also contributes
her expertise to various EPA Human Resource programs. Mickey champions animal
rescue and is called upon by many for her expertise and success on canines
and canine training.
Dr. Serre, a Chemical Engineer, joined EPA in 1998. Shannon's
expertise includes dispersed phase capture of mercury from combustion sources
using activated carbon in a flow reactor. The flow reactor allows experiments
to be conducted that simulate mercury removal by a sorbent in a flue gas duct
or through an electrostatic precipitator. His future research involves the
characterization of trace metal emissions from heavy-duty diesel vehicles
using Laser Induced Breakdown Spectroscopy (LIBS). He is the Project Officer
for construction of a 6 MM Btu/hr pilot-scale coal combustor that will be
used to study multi-pollutant control strategies. Shannon received his B.S.
Degree in 1993 and his Ph.D. in 1999 in Chemical and Fuels Engineering from
the University of Utah. Shannon is a member of the Air and Waste Management
Association.
Dr. Srivastava, a Chemical Engineer, joined EPA in 1994. Ravi
is an international expert on control of emissions from stationary combustion
sources, especially coal-fired electric utility boilers. His current work
includes evaluation of mercury and multi-pollutant control technologies for
utility boilers, modeling of reacting flows, and development of adaptive grid-based
computational fluid dynamics algorithms. Ravi has over 70 technical publications
and one patent. His experience also includes development and promulgation
of several NO
x regulations including Acid Rain regulations, NSPS
revisions, and NO
x SIP Call. He has received numerous awards and
commendations recognizing his scientific achievements, and has provided leadership
to the Air & Waste Management Association. Ravi received his B.S. and M.S.
degrees in Mechanical Engineering from the Indian Institute of Technology,
Kanpur, India and Washington State University, respectively. He received a
Ph.D. in Aerospace Engineering from North Carolina State University.
Mr. Stewart, a Chemical Engineer, joined EPA in 1999. Before joining
EPA, Eric worked at the University Combustion Research Center at the University
of Utah from 1995-97 while pursuing his Master’s degree. While there, he designed
and constructed a 3-MM Btu process heater and characterized particulate and
PIC emissions from Mexican brick kilns. Eric maintains and performs incineration
experiments in the Branch’s Rotary Kiln Incinerator Simulator (RKIS) and operates
the High Bay Treatability Lab. He co-authored a paper on chlorinated organic
combustion by-products and is conducting studies involving volatile organic
compounds using an on-line Gas Chromatograph. Eric completed his B.S. and
M.S Degrees in Chemical Engineering from Brigham Young University in 1992
and the University of Utah in 1997, respectively.
Mr. Tabor, an Analytical Chemist, joined EPA in 2003. Dennis has
managed various EPA analytical labs since 1991 since he was a contractor to
EPA before joining the EPA. The lab Dennis currently operates is an organic
analysis laboratory with a high focus on polychlorinated dioxins and furans.
He has co-authored more than ten papers on various environmentally related
topics. Dennis earned a BS in Chemistry and a BA in Physics from Wake Forest
University, in 1981. He earned his MS in Analytical Chemistry from Emory University
in 1987. He is a member of Sigma Xi (the scientific research society), and
a 25 year member of the American Chemical Society.
Mr. Wasser, a Chemical Engineer, is a Charter Employee of EPA.
Jack's career spans 5 years industrial experience in research and development
(R&D) and chemical plant operations and over 30 years in environmental R&D
with the U.S. Public Health Service and EPA. His expertise in air pollution
control technologies is focused on the control of NO
x and particulates
from stationary diesel engines and gas turbines, industrial boilers, woodstoves,
and industrial and residential furnaces and processes. Also, Jack has been
active in R&D studies of hazardous waste incineration including fluidized
bed combustion, stoker boiler combustion modification, coal fuel, and basic
combustion emissions from commercial boilers and domestic furnaces. He has
a patent on a low-emission woodstove and has received awards for NOx control
research and development. Jack received his B.S. and M.S. degrees in Chemical
Engineering from the University of Louisville.
![[logo] US EPA](https://webarchive.library.unt.edu/eot2008/20081111095946im_/http://www.epa.gov/epafiles/images/logo_epaseal.gif){kind=logo}