Registered Site Manager, North Carolina Inactive
Hazardous Sites Branch
BS Geology - North Carolina State University,
AAS Business Data Processing – Wake Technical
College
Licensed Professional Geologist in North
Carolina, Georgia, and Tennessee with over 24
years of experience in UST, chlorinated
solvents, agrichemicals, and inorganic waste
site assessments, closures, in-situ chemical
oxidation techniques, brownfields projects,
monitored natural attenuation, soil and ground
water remediation, natural
attenuation/biodegradation assessment and design
for projects in North Carolina, South Carolina,
Virginia, Texas, Pennsylvania, Michigan,
Indiana, Massachusetts, West Virginia, Maryland,
Delaware, Georgia, Alabama, Tennessee, Kentucky,
Florida, Utah, Nevada, the United Kingdom and
South Africa.
Thomas S. Dunham, P.G., Principal
Senior Geologist / Senior Project Manager
BS Geology - State University of New York, MS Geology -
University of Rhode Island.
Licensed Professional Geologist in North Carolina, Delaware,
Kentucky and Tennessee with more than 17 years
of geological and environmental experience in
UST, chlorinated solvents, agrichemicals, and
inorganic waste site assessments, closures, and
soil and ground water remediation, Phase I and
II environmental site assessments in North
Carolina, South Carolina, Virginia, Tennessee,
Maryland, Delaware, West Virginia, Kentucky,
Pennsylvania, Texas, Florida, Indiana, Michigan,
and India. He has three geological
publications.
Bryson D. Trexler, Jr., Ph.D., P.G., R.S.M.
Senior Hydrogeologist/Senior Project Manager
Registered Site Manager, North Carolina Inactive
Hazardous Sites Branch
BS Geological Engineering and MS Geology – NCSU,
Ph.D Geology – University of Idaho.
Licensed Professional Geologist in Idaho, North
Carolina, and South Carolina with over 35 years
of experience in UST, chlorinated solvents, and
inorganic waste site assessments, closures, and
soil and ground water remediation, natural
attenuation/biodegradation assessment and
design, ground water resource evaluation,
development and management, ground water quality
studies, aquifer testing and evaluation, seepage
analysis, design and installation of ground
water extraction systems, expert witness
testimony and technical support for trials in
Arizona, Arkansas, California, Colorado,
Delaware, Florida, Georgia, Idaho, Indiana,
Maryland, Mississippi, Missouri, Nevada, New
Jersey, New Mexico, North Carolina, Ohio,
Pennsylvania, South Carolina, Utah, Virginia,
Tennessee, Texas, Washington, Wisconsin, and
Canada and Mexico. Authored 31 papers on
hydrogeology and geotechnical engineering.
Daphne J. Olszewski
Senior Project Manager/ Geologist
BA Geology – University of Tennessee, Knoxville; MS Geology –
Louisiana State University
Regulatory experience includes the NC Department
of Environment and Natural Resources (DENR) as
project manager for the Hazardous Waste Section
(12 years), Brownfields Program (4 years), and
working with a group to set up DENR
Environmental Permit Information Center (1
year). Other work experience includes oil/gas
and minerals exploration and environmental lab
(11 years). Since joining Duncklee & Dunham in
June 2006, she has performed internal site
audits nationwide and in Canada in support of a
client’s ISO 14001 EMS, has assisted in the
performance of a brownfields inventory of 28
square miles of newly annexed property for a
major North Carolina municipality, and is
assisting a private brownfields property with
continuing environmental compliance services.
James A. Bennett, P.G., R.S.M.
Senior
Project Manager/
Senior Hydrogeologist
Registered Site Manager, North Carolina Inactive
Hazardous Sites Branch
BS Geology – North Carolina State University
Over 23 years
experience in environmental/engineering
consulting assessment and remediation, including
numerous industrial sites in the Carolinas.
Consulting experience includes complex
innovative site investigations, regulatory
negotiations, risk evaluations, ground water
resource evaluations, ground water modeling,
surface to ground water interactions, and
remediation programs for a variety of organics
and inorganic projects in complex geologic
settings involving multi-layered sediment and
rock aquifer systems. A former NCDENR regulator
and author of the NCDENR Groundwater Section
QA/QC and Standard Operating Procedures Manual
for Sample Collection (NCDENR, 1989), and
several other documents. He is a licensed
professional geologist in North Carolina and
several other states.
Dayle A. Flammia, Jr.
Staff Environmental Scientist
BS Environmental Science – University of North Carolina at
Wilmington.
Mr. Flammia has experience collecting soil and ground water
samples at UST/AST, chlorinated solvent,
agrochemical, and inorganic waste sites.
Knowledgeable of Federal guidelines and rules
regarding the preparation of SPCC plans. Mr.
Flammia’s project experience includes sites in
many states including Delaware, North Carolina,
Maryland, and Virginia.
Emily H. Sauls
Office
Manager
BS Agricultural Business Management - North
Carolina State University
Ms. Sauls manages accounts payable, accounts
receivable, contract
preparation and management, business insurance,
contracts and requirements, electronic document
management, and overall file management.
Lucy Eckert
Staff GIS Specialist
BA Geology – Smith College and AA Natural
Resource Management – Greenfield Community
College
Ms Eckert has
experience in the collection, management, and
presentation of GIS data utilizing ESRI ArcView
software methods. She is also experienced as an
analytical laboratory technician, the collection
of field samples, database management, and in
the use of AutoCAD.
Latest News at Duncklee & Dunham
June 2008
Salisbury NC Site -
A variance from NC 2L ground water standards has
been approved by NC DENR for this project. Very
few variance requests have been approved by the
agency over the years. Duncklee & Dunham
designed and applied for the variance request on
behalf of our client for levels of benzene and
naphthalene in ground water at this industrial
site.
Rocky Mount, NC Site - The excavation of
chromium impacted soils is underway for a local
NC project. The remediation work plan includes
the use of x-ray fluorescence instrumentation to
obtain real time field data on metals levels in
the soils.
Research Triangle Park, NC - Dr. Bryson
Trexler continues to provide services to one of
the world's leading pharmaceutical companies.
Colorado, Texas, and California - Daphne
Olszewski is traveling this month to perform ISO
audits of several major Brownfields development
projects in the western US.
April 2008
Southeastern US - Tom
Dunham continues to provide services to a major
southeastern US agricultural cooperative.
Duncklee & Dunham personnel have provided
professional services to this client for almost
20 consecutive years at hundreds of project
sites. Current projects range from Phase I ESAs
for property transactions to a large scale
ground water remediation system at an oil
terminal on the Ohio River in Kentucky.
March 2008
The firm has three senior
staff members certified by NC DENR as Registered
Site Managers with the IHSB Registered
Environmental Consultant (REC) program. Each RSM
has over 20 years of individual environmental
consulting experience.
Quick Contact
Duncklee and Dunham
511 Keisler Drive - Suite 102
Cary, NC 27518
