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CLIENT FOCUS
Formed in 1991 by senior environmental consultants, EnviroGroup has always focused on one
thing - client service. We have worked on some of the largest environmental sites in
the country: numerous high-profile mine sites, century-old lead smelters in the middle of cities,
oil refineries with acres of free product, and DNAPL sites with groundwater plumes over a mile long.
But we are most proud of the projects that stayed small — because of our prompt
response and sound advice.
ENVIROGROUP OFFICES
EnviroGroup offices are located in Denver and Longmont, Colorado, Saratoga Springs, New York,
and Seattle, Washington. Our professionals in each office serve clients across North America.
Go to our Contact page for address, phone number, and email
contact information.
OUR KEY PEOPLE
We are highly experienced environmental, civil, geotechnical and chemical engineers;
geologists, hydrogeologists, and geochemists; biologists and industrial hygienists; and
regulatory and GIS specialists, with over 15 years average experience. With consulting,
mining, and petroleum industry backgrounds, we understand that solutions must be practical
and make economic sense. Brief resume of key personnel are provided below.
David J. Folkes, P.E. — Principal
Mr. Folkes is a Registered Professional Engineer with over 25 years experience in
environmental and geotechnical consulting in the U.S. and Canada. As a Principal and
President of EnviroGroup Limited, he provides a variety of services to natural resource,
industrial and governmental clients across the country. Mr. Folkes has performed
environmental site assessments at a wide variety of industrial, commercial, and natural
resource sites with organic, petroleum, and metals impacts. He has managed groundwater
and soil investigation and remediation projects at numerous sites, including several
mining, smelting, and metals refining sites; major petroleum refinery sites; and some of
the largest groundwater solvent plumes in the country. He is skilled in the forensic
evaluation of the sources and causes of metals contamination in soils; solvent
contamination in groundwater; and investigation and mitigation of indoor air impacts
due to groundwater contamination. Mr. Folkes has provided federal and state regulators
with practical experience on vapor intrusion testing, mitigation, and community
interaction issues. Areas of research include background or indoor sources of solvents
in air, which can be mistaken for vapor intrusion, and groundwater to indoor air
correlations. He has published and presented papers on numerous environmental topics,
including groundwater and vapor intrusion remediation, and served as an expert witness
in both state and federal court, including testimony in three class action lawsuits.
Bence V. Close, P.E. — Principal
Bence is a Registered Professional Engineer with over 23 years of environmental consulting
experience in a wide variety of businesses, including energy and mineral resource development,
petroleum and chemical processing, utilities, waste management, manufacturing, agriculture,
water supply, land development, watershed management, and environmental compliance. He has
demonstrated success in assisting with clients on projects under the regulatory settings
of CERCLA, RCRA, NEPA, SMCRA, CWA, NRDA, and various State voluntary cleanup programs. He
has managed and performed large-scale, complex cleanup actions for numerous clients and
client groups, involving site characterization, feasibility studies, contaminant
culpability, public involvement, remedial design, environmental permitting, construction
contracting and management, litigation support, and expert witness testimony. He has
developed and implemented effective strategies for sites involving metals, petroleum
hydrocarbons, and chlorinated solvents. He has presented and published numerous papers
on various environmental topics and has served as an expert witness in federal court and
numerous state rulemakings.
Kenneth C. Scott, P.G. — Principal
Mr. Scott is a Registered Professional Geologist and hydrogeologist with over 25 years
experience in the fields of hydrogeology, geology, and geophysics as related to
environmental concerns, water resources, and natural resource development. He has
evaluated solvent contamination at manufacturing sites throughout the United States,
and conducted regulatory negotiations to reduce burdensome monitoring requirements and
develop reasonable cleanup objectives. He previously conducted a Remedial Investigation,
prepared RCRA closure plans for sites with solvent contamination in soil and groundwater,
and modeled groundwater flow for a number of remedial design projects, including recovery
well fields, slurry walls, drains, and caps. Mr. Scott has interfaced with regulatory
personnel and developed numerous work plans, testing procedures, and quality control
programs for both indoor air testing and groundwater investigation programs.
David W. Kurz, P.E. — Principal
Mr. Kurz is a Registered Professional Engineer with over 22 years experience in the
execution and management of remedial engineering, hazardous waste, site investigation,
and civil engineering projects. His areas of expertise include remedial design, project
management, waste management, Remedial Investigations/Feasibility Studies, construction
inspection, and landfill assessment. Mr. Kurz has managed the mitigation of vapor intrusion
in over 340 buildings including commercial, single family residential, and multi-family
residential structures. He is responsible for installation and operation of a groundwater
containment and treatment system. He has conducted waste management reviews and evaluated
facility compliance with regulatory programs, including air emissions and surface water
discharges, at several industrial facilities. Mr. Kurz has managed the design and
implementation of remedial actions to mitigate adverse conditions at several sites
throughout the country, including planning, client/agency relations, and tracking of
project quality, budgets, and schedules. He has developed regulatory interpretations for
RCRA and CERCLA sites and successfully petitioned EPA with acceptable criteria for VOCs in
soil allowing a client to terminate soil vapor extraction efforts. Designs have included
reclamation plans and closure plans for landfills and tailings impoundments and groundwater
extraction and treatment systems.
Margaret (Poppy) Staub — Principal
Ms. Staub has over 14 years of experience in environmental compliance, Superfund site
management, pollution prevention practices and management systems development in the
mining and extractive metallurgical industries. Ms. Staub served as the Environmental
Engineer, Superfund Site Manager, and Globe Plant Manager for ASARCO, Inc. During her
tenure with Asarco, she gained experience with a wide variety of topics including RCRA,
CWA, and CAA compliance, environmental, safety and health management system development,
process management, business development, and community relations. In 2000, she
successfully implemented an environmental management system at a 114 year old manufacturing
facility and obtained ISO 14000 certification. She has been involved with numerous corporate
level projects designed to bridge agency/company relationships and has assisted in developing
and integrating corporate level management system procedures into plant level work practices.
Ms. Staub was also responsible for overseeing several multi-million dollar environmental
remediation projects in Denver, Golden, and Leadville including an innovative, voluntary
cleanup project in the Bonanza Mining District. Ms. Staub has prepared numerous professional
papers regarding mine drainage treatment, voluntary cleanup projects, public relations and
environmental, health and safety management systems. She has been a guest lecturer at the
Rocky Mountain Mineral Law Foundation, the Environmental Protection Agency and has been
asked to speak at several functions promoting the use of management systems as a method to
improve environmental compliance.
Scott Myers, P.G. — Senior Project Manager
Mr. Myers is a Registered Professional Geologist with more than 23 years of experience in
Environmental Health & Safety Compliance for industrial, natural resources, and commercial
facilities, including three years managing EH&S compliance at the U.S. Antarctic bases. In
addition to his years in the petrochemical, manufacturing, and surface mining industries, Mr.
Myers has extensive experience as both a surface mine inspector and a RCRA/CERCLA inspector/permit
writer for the State of Kentucky, and currently serves as a Commissioner for the State of Colorado
(Solid and Hazardous Waste). He is proficient with environmental requirements in more than 20
states, as well as Europe, Canada, Mexico, Chile, Australia, New Zealand, and Antarctica. His
expertise includes environmental compliance & permitting (RCRA, CERCLA, NEPA, SPCC, OPA, Clean
Air Act, Clean Water Act), EH&S Management System design and implementation, due diligence and
site assessment, and remedial design and project management.
Paul S. Arell, P.E., DEE
Mr. Arell is a Registered Professional Engineer and Diplomat of the American Academy of
Environmental Engineers with over 30 years of experience ranging from water pollution
control, to Superfund, to hazardous waste corrective action under RCRA. Most recently,
Mr. Arell managed the RCRA Corrective Action Program at the EPA, Region VIII for six years.
In that capacity, he implemented federal corrective action at a number of facilities in
Colorado. Two of these high profile facilities had vapor intrusion aspects which required
state-of-the-art indoor air testing and remediation. Mr. Arell has extensive experience in
leading disparate groups toward collaborative agreements resulting in negotiated settlements,
work plans, and administrative orders. Mr. Arell organized and led a state/Federal workgroup
to coordinate cleanup of complex petroleum refineries. He accelerated progress on corrective
action projects, reducing time and money spent in completing cleanup actions. Mr. Arell has
performed site assessments and screened sites using the Hazard Ranking System for the
National Priorities List. Mr. Arell has provided assistance to a state developing a voluntary
cleanup program. He managed the NPDES compliance monitoring and enforcement program across
six states, including site inspections and review of discharge monitoring reports to ensure
permit compliance. Mr. Arell negotiated settlements for NPDES enforcement actions and
established schedules for the construction of upgraded wastewater treatment facilities.
Jeffrey P. Kurtz, Ph.D. — Senior Scientist
Dr. Kurtz has over 20 years experience as a consulting Geologist/Geochemist. He was an
Assistant Professor of Geology at the University of Colorado, where he was responsible for
graduate and undergraduate student instruction in the areas of: mineralogy, aqueous geochemistry,
ore deposits and field geology. Dr. Kurtz also performed independent research in the fields
of clay mineralogy and ore deposit geochemistry. Dr. Kurtz has designed regional exploration
programs, geophysical surveys, mapping programs, stream sediment sampling, soil sampling and
drilling programs for a number of mining companies including Battle Mountain Gold Company,
Summitville Consolidated Mining, Challenger Gold Company and Central Alaska Gold Company.
Statistical and spatial analysis of geochemical and geologic data was a major component of
this work. Dr. Kurtz has prepared numerous papers and given presentations on a variety of
topics, including mine site investigations, hydrothermal alteration related "background"
acidity and geochemistry, and background sources of indoor air chemicals at vapor intrusion
sites.
David W. Vaden, P.G.
Mr. Vaden is a registered professional geologist with over 15 years experience in the
performance and management of environmental projects for industrial, natural resources
and commercial clients across the US. He provides environmental site assessment, due
diligence, site investigation, site remediation, vapor intrusion evaluation, and other
services from EnviroGroup’s Seattle office. He has evaluated solvent, petroleum hydrocarbon
and metals impacts to soil and groundwater at sites across the US. Areas of expertise
include geochemistry, hydrogeochemistry, metals migration in groundwater and the vadose
zone, the design and administration of relational database management systems, and computer
programming.
Theodore E. Kuehster, P.E. — Senior Project Engineer
Mr. Kuehster is a registered civil engineer with 25 years experience in environmental
remediation and storm drainage analysis and design, including open channels and culverts,
detention ponds, and grading design. Mr. Kuehster has conducted remedial projects involving
groundwater interception, water treatment, soil remediation, and storm water control. He has
prepared designs for voluntary cleanup plans at several sites, for a storm water control
system at an organic chemicals plant in Texas to separate storm runoff from plant wash
water, and for modifications to an existing wastewater treatment plant to increase hydraulic
throughput and accommodate increased feedwater concentrations. Mr. Kuehster has completed
major drainage projects in the past including preparation of flood control master plans
and drainage designs for Colorado E-470.
Eric Lovenduski — Project Manager
Mr. Lovenduski is a geologist with eight years experience in environmental consulting. He is
skilled at planning and completing complex environmental investigations and evaluating corrective
actions at Brownfield, RCRA, UST, and voluntary cleanup sites. Mr. Lovenduski has successfully
completed projects at active and inactive industrial sites, former manufactured gas plants (MGP),
and U.S. Department of Defense (DOD) facilities. He regularly coordinates all aspect of field
activities including permitting, subcontractors, and interaction with business and community
representatives. Mr. Lovenduski assists clients with Vapor Intrusion investigations and
mitigation; Phase II Remedial Investigations; Brownfield, UST and voluntary cleanup sites; Phase
I Environmental Site Assessments meeting EPA All Appropriate Inquiry (AAI) requirements; and New
York State Department of Environmental Conservation (NYSDEC) Brownfield, Inactive Site,
Remediation, and Spills Cleanup Programs.
Charoen Sanpawanitchakit, Ph.D. — Environmental Chemist
Dr. Charoen Sanpawanitchakit is an environmental chemist with over 8 years experience in
subsurface contaminant investigation and remediation studies. While earning his Ph.D. at
the Colorado School of Mines, Charoen investigated the fate and transport of uranium in
groundwater at a Uranium Mill Tailings Remedial Action (UMTRA) site. He is skilled in aqueous
chemistry, analytical chemistry, wastewater treatment, field site investigation, and
mathematical modeling. As a consultant, his investigation experience includes work at
petroleum chemical facilities, coal-burning power generating plants, and numerous manufacturing
plants, including the automotive, computer, and food products industries. Dr. Sanpawanitchakit
has conducted remediation at sites with chlorinated solvents and petroleum hydrocarbons using
excavation, dual-phase extraction, and pump-and-treat methods. Dr. Sanpawanitchakit has also
conducted evaluation, assessment, and optimization for treatment of wastewater and groundwater,
including treatment of 1,4-dioxane contaminated groundwater.
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Project Locations |
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EnviroGroup provides full environmental consulting services across North
America, including site assessments, audits, permitting, and multi-media
investigations and remediation. Centrally located in Denver, Colorado, our
core team of experts can be at any location across the country within a few hours.
Our network of subcontractors provides field labor and familiarity with local
conditions and regulatory requirements across the country. Through our strategic
alliance partners, we can provide services in fluent Spanish, with experience
throughout South America.
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EnviroGroup Offices |
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- Denver, CO
- Longmont, CO
- Saratoga Springs, NY
- Seattle, WA
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