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David M. Nielsen
is President of The Nielsen Environmental
Field School. He is a Certified Professional
Geologist (AIPG #5040), a Professional Hydrogeologist
(AIH #991) and a Certified Ground-Water Professional
(AGWSE #179) with more than 30 years of experience
in ground-water and environmental consulting,
training and research. He has managed ground-water
contamination investigations, environmental
site assessments, ground-water monitoring
and sampling programs, petroleum hydrocarbon
spill investigations and remedial projects
across the U.S. David has also developed curriculum
for and instructed: undergraduate, graduate
and continuing education courses in ground-water
science at Wright State University; a one-year
Hydrogeologic Training Program for the Environmental
Response Division of the Michigan Department
of Natural Resources; Technology Transfer
workshops for the U.S. EPA; and Waste Management,
Inc.s Landfill University. He has instructed
more than 300 ground water and environmental
science short courses and workshops for consulting
firms, regulatory agencies, industrial concerns,
the Department of Defense, the U.S. EPA, trade
and professional organizations, educational
institutes and universities in the U.S., England,
Canada, Australia and Mexico.
David is a member and former Chairman of ASTM
Subcommittee D-18.21 on Ground-Water and Vadose
Zone Investigations, a consultant to the U.S.
EPA Science Advisory Board, a member of the
U.S. Department of Defense SERDP/ESTCP Peer
Review Panel, and an advisor to the U.S. Department
of Energy National Advanced Drilling and Excavation
Technology Program. He is the editor and a
contributing author for The
Practical Handbook of Environmental Site Characterization
and Ground-Water Monitoring (First
and Second Editions), The
Essential Handbook of Ground-Water Sampling
and Technical Guidance
on Low-Flow Purging and Sampling and Miminum-Purge
Sampling. He is also an active member
of ASTM, AIPG, the Association of Ground Water
Scientists and Engineers, the American Institute
of Hydrology and the Association of Engineering
Geologists. He served for 12 years on the
Wright State University Geology Department's
Board of Counselors and served for 12 years
as Editor of Ground-Water Monitoring and
Remediation. He holds B.A. and M.S. degrees
in geology from Miami University and Bowling
Green State University respectively. Prior
to co-founding the Nielsen Environmental Field
School, he managed regional offices for two
geoscientific and engineering consulting firms,
served as director of research and education
for the National Ground Water Association
and worked for state environmental agencies
in Massachusetts, West Virginia and Ohio.
David has also
written guidance documents on direct push
technology and ground-water sampling for the
U.S. EPA Superfund program, and reviewed technical
reports for the U.S. EPA's Environmenal Technology
Verification (ETV) program. He is the recipient
of the Outstanding Service Award of the Association
of Ground Water Scientists and Engineers,
The Outstanding Achievement Award of ASTM,
and a 4-time recipient of ASTM's Special Service
Award.
David has also
been an amateur road racer for the past 14
years. He drove a company-sponsored 1996 BMW
Z3 for 3 years and a 2003 BMW Z4 for 3 years
in the Sports Car Club of America's (SCCA's)
Showroom Stock B class. He won the 2001 SCCA
Central Division Regional Championship in
his class after winning 4 of the 7 races in
which he competed (and finishing second in
the other 3 races). In 2002, he finished 6th
in Central Division National Points, and 18th
in the National Championship Race at Mid-Ohio
Sports-Car Course (out of 38 drivers from
across the US and Canada). In 2003, he finished
3rd in Midwest Division National points and,
after starting 43rd, finished in 22nd place
in the National Championship race. In 2004,
Dave won the Central Division Championship,
after winning 5 of the 10 races he entered,
and then finished 3rd in the National Championship
race at Mid-Ohio Sports Car Course in September.
In 2005, he finished second in the Southeast
Division and, after winning 4 races during
the season, finished 4th at the National Championships.
In 2006, he took a sabbatical, and he plans
to consider continuing his racing career after
finishing the restoration of his 1965 Chevy
Corvette convertible.




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Gillian Nielsen
is Vice President of The Nielsen Environmental
Field School. She has 27 years of international
experience as an environmental and ground-water
consultant and trainer. During her professional
career she has developed, managed and implemented
ground-water monitoring and sampling programs,
soil gas monitoring investigations, multimedia
environmental sampling programs, RCRA compliance
audits, environmental site assessments and
remediation programs at hazardous and non-hazardous
waste sites in the U.S. and Canada. She has
also played a key role in the development
and management of corporate standard operating
procedures as well as health and safety procedures
and policies.
Gillian specializes in developing and instructing
a wide variety of field practice-oriented
training programs for private industry, consulting
firms, state and Federal regulatory agencies,
universities, professional and trade associations.
She has lectured extensively and taught hundreds
of field courses on the topics of ground-water
monitoring and sampling, environmental sampling
and field sample analysis, design and implementation
of soil gas investigations and RCRA compliance
throughout the U.S. as well as Canada, England
and Australia. Gillian also conducts 8-hour
health and safety refresher training courses
annually for clients across the U.S. who are
involved in environmental contamination investigation
and remediation projects. In addition to training,
she works closely with industry and consulting
firms as a consultant conducting audits of
field investigation activities, negotiating
with PRPs and regulatory agencies, developing
corporate standard operating procedures and
health and safety plans and providing technical
reviews of site investigation reports. She
also works closely with environmental instrumentation
companies in the evaluation of new equipment
and in development of new instrumentation.
Gillian is a 16-year member of the Editorial
Board of Ground-Water Monitoring and Remediation
and an active member of the ASTM Subcommittee
D-18.21 task group on ground-water sampling
procedures. She is the recipient of Ground
Water Publishing Company's Outstanding Service
Award for her work on the editorial board
of the journal Ground-Water Monitoring
and Remediation and has received several
Standards Development Awards from ASTM. She
has authored a number of scientific papers
and written many ASTM Standards dealing with
ground-water sampling, soil-gas monitoring,
field analysis of environmental samples, and
field decontamination procedures, and was
a contributing author for first and second
editions of The Practical Handbook of Environmental
Site Characterization and Ground-Water Monitoring
as well as Technical
Guidance on Low-Flow Purging and Sampling
and Minimum Purge Sampling. She is also
a co-editor and contributing author of the
new text The Essential
Handbook of Ground-Water Sampling, published
in January 2007. Gillian frequently provides
technical reviews of state and Federal regulatory
agency technical guidance documents. Gillian
holds B.Sc. degrees in geography (hydrology)
and biology (aquatic) from Trent University
in Peterborough, Ontario Canada.
Gillian
holds a National Crew Chief License with SCCA
and acts as Dave's Crew Chief, Chief of Timing
and Scoring and On-Track Chef during race
weekends. Since his 2006 sabbatical, it has
opened up more time for her other hobbies
including: power walking, kayaking, gourmet
cooking and designing and sewing custom machine
embroidery designs for friends and a number
of businesses and race teams. In addition,
she gardens and takes care of their four pet
house rabbits and 2 saltwater aquariums.
 
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