What Our Clients Are Saying

The thorough and timely manner in which you handled the problem here on Cascade was much appreciated. Without exception, your people were thoughtful, considerate, and professional. I felt you and your company handled my problem efficiently and carefully, and that we were in good hands.

Sheryl A. Fuller

Professional Staff

Ronald S. Bergeson

Principal; Controller
Ph.D., University of Oregon, 1978
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Together with Randy Boese, Ron Bergeson started BB&A Environmental. In the late 1970s and early 1980s, Ron was an Associate Professor at Idaho State University and later worked in the wholesale petroleum industry. Ron is married to his wife Syd and together they recently celebrated their 40th wedding anniversary. They have two grown children and three grandchildren. Much of their free time includes activities with their grandchildren. Outside activities Ron tries to find time for include running and bicycling. He has an extensive woodworking shop and enjoys building cabinets and furniture.

At BB&A Environmental Ron is responsible for oversight of all administrative, finance, and marketing efforts of the company. Over the last 22 years, he has been exposed to a wide range of complex environmental problems and solutions. He has developed a thorough understanding of environmental regulations mandated by federal, state, and local regulatory authorities. He is broadly experienced in report preparation for a wide range of reporting requirements and is knowledgeable of documentation requirements in instances where environmental insurance claims are made.

Randall J. Boese

Principal; President; Senior Project Manager
B.S. Geology, Oregon State University, 1986 Registered Geologist, Oregon 1991
(503) 570-9484 x1

Randy Boese joined BB&A Environmental in 1990 and became a partner with Ron Bergeson. Prior to joining BB&A Environmental, Randy spent several years performing material testing and environmental consulting services for companies in the Eugene area. In 1996, Randy relocated and opened BB&A Environmental’s Portland office. Randy is married to his wife Kelly and they have three children. Randy has enjoyed coaching his children in little league baseball and basketball. Randy loves the Pacific Northwest and all of the recreational activities the area provides. Randy enjoys playing basketball and spinning (indoor cycling) to stay fit. But when it comes to the outdoors, salmon fishing has become his passion. Randy says “Once you have fought and landed a 30 pound Chinook salmon, you are hooked.” Randy also enjoys golf and over the past several years have taken staff on white water rafting trips down the Deschutes River.

Randy is a principal of BB&A Environmental and has over 22 years of professional experience involving comprehensive management of environmental projects, including assessment, remediation, compliance, technical review and oversight, and expert testimony. Projects managed by Randy have included characterization and investigation of hazardous substance releases to soil and groundwater, assessment of hydrogeology, contaminant transport modeling including risk assessment, operation and management of remediation systems, and groundwater monitoring. Randy is highly specialized in characterization of aquifer systems and the behavior of adsorbed and dissolved contaminants. Environmental compliance work has included preparation of Phase I and II ESAs, Spill Prevention, Control, and Countermeasure (SPCC) Plans, Stormwater Pollution Prevention Plans (SWPPP), National Pollution Elimination Discharge System (NPDES) permitting, asbestos surveys, hazardous waste audits, manifesting, and disposal. Randy has prepared numerous Corrective Action Plans which have outlined designs for ex-situ and in-situ soil and groundwater remediation systems. Functional ex-situ and in-situ remediation systems have employed bioremediation, groundwater extraction and treatment, chemical oxidation, soil vapor extraction (SVE), bioventing, and air-sparging technologies.

Daniel F. Mumford

Principal; Senior Project Manager
M.S. Geology, Oregon State University, 1988 B.S. Geology, University of Delaware, 1981 Registered Geologist, Oregon 1990; Registered Geologist, Washington, 2003
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Dan’s initial work as a geologist involved evaluation of mineral resources and gold exploration in southwestern and eastern Oregon, northeastern Washington, central Idaho, and northwestern Montana for timber resource and mining companies. Dan and Margaret, his wife of 23 years, have three daughters and a son. Together they enjoy supporting the involvement of their four children with many athletic and extracurricular interests and traveling to visit family and places of interest - our National Parks in particular. As time allows, Dan enjoys pursuing varied outdoor recreational interests including hiking, skiing, camping, hunting, fishing, gardening, and managing a small woodlot.

Dan is a principal of BB&A Environmental and has more than 24 years of professional geologic and hydrogeologic experience.  At BB&A Environmental Dan has specialized in contaminant hydrogeology and environmental assessment at solid waste disposal facilities (landfills), hazardous material cleanup sites, emergency spill response sites, and various contaminated properties.  These services are typically conducted to fulfill regulatory compliance requirements and/or in support of regulatory closure through a “No Further Action” determination by the Department of Environmental Quality (DEQ).   Elements of such projects include development and execution of work plans approved by regulatory agencies, preparation of site-specific health and safety plans, and preparation of reports documenting site assessment, remediation, and monitoring activities that also typically include either a generic or site-specific risk assessment.

Jim A. Kooiman

Principal; Senior Project Manager
M.S. Structural Engineering, Oregon State University, 1979 B.S. Civil Engineering, San Diego State University, 1976 Professional Engineer, California, 1979; Professional Engineer, Oregon, 1985
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Jim Kooiman has been with BB&A Environmental since early 1993. Following graduation from San Diego State University and Oregon State University, Jim worked as a professional engineer serving manufacturing, stormwater, chemical, construction, wood products, petro-chemical, and paper industries. Jim is married to his wife Joyce of 27 years and together they have three daughters. Outside of following their youngest daughter’s high school volleyball and swimming activities, Jim and Joyce enjoy family, church, and University of Oregon sports. Jim is a board member of Free People, a non-profit organization in Eugene, Oregon, that was developed in response to people experiencing homelessness in our community. Jim and Joyce are also active in the Egan Memorial Warming Center which provides emergency cold weather shelter for the homeless community.

Jim is a principal of BB&A Environmental and has over 17 years of professional environmental consulting experience serving industrial, commercial, residential, financial, governmental, construction, and real estate markets. At BB&A Environmental, Jim’s areas of expertise include Phase I and Phase II Environmental Site Assessments, underground storage tank investigations, including residential and commercial heating oil tanks, and risk-based assessments and site closures. Jim also coordinates drilling and field services.

Stephen M. Omo

Project Manager
B.S. Geology, University of Texas, El Paso, 1987 Registered Geologist, Oregon 2008
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Steve grew up in the deserts of the southwest with an appreciation for geology, and wildlife of all kinds. He eventually found himself in the beautiful northwest, married to Bobbi with three children. In what little spare time may be available, Steve enjoys coaching and watching his kids play sports and traveling to warmer climates. Hobbies and passions include hiking, wildlife and landscape photography, scuba diving (anywhere warm), and running and cycling.

Steve has more than 17 years of geology and environmental site investigation and cleanup experience. At BB&A Environmental Steve has project management responsibilities including investigation and oversight of numerous underground storage tank cleanup projects and Phase I and Phase II Environmental Site Assessments. Steve is also responsible for investigative sampling, site research, groundwater and remediation system monitoring, permitting, and regulatory reporting.

Erik R.D. Chapman

Project Manager
M.S. Environmental Science and Engineering, Oregon Graduate Institute of Science and Technology B.S. Geology, University of Oregon, 1991 Registered Geologist, Oregon 2008
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Erik has a six year old boy who keeps him busy with a full schedule of school and extra-curricular activities. During winter weekends, Erik and his son are usually found up on Mt. Hood taking part in children’s ski racing activities. During the summer, they spend weekends on the soccer field and in the woods backpacking. Outdoor activities Erik tries to fit into his schedule include running and bicycling and fly fishing on Central Oregon rivers. Like Ron, Erik has an extensive woodworking shop and enjoys building cabinets and furniture.

Erik has over 16 years of professional experience in the environmental consulting field with emphasis on remediation of sites with soil and groundwater contamination, Phase I and II Environmental Site Assessments, and regulatory compliance. At BB&A Environmental Erik has project management responsibilities for investigation and oversight of underground storage tank cleanup projects and Phase I and II Environmental Site Assessments. Erik’s experience also includes construction oversight, permitting and compliance, remediation system monitoring, water quality monitoring, conceptual and detailed design of groundwater remediation systems, remedial investigation/feasibility studies, preliminary assessments, site investigations, and groundwater, surface water, and sediment sampling.

Mark Riedel-Bash

Project Manager
M.S. Earth Science/Geology, Northern Arizona University, 2002; B.S. Geology, California Lutheran University, 1999; Registered Geologist, Oregon 2008; Registered Geologist, California, 2006
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Mark first became interested in geology as a sophomore at California Lutheran University and can thank geology for introducing him to his wife of (8) eight years, Shauna.  Shortly after completing his graduate degree he began his career as an environmental and geotechnical consultant in California.  Mark and Shauna moved up to Eugene two years ago to find a place to call home and to start a family.  Mark is an avid black and white landscape photographer, and seems to always be with his camera, whether it is snowshoeing though the Cascades or backpacking in the Sierras.

Mark has over eight (8) years of professional experience with an emphasis on the investigation of subsurface soil and groundwater contamination.  At BB&A Environmental Mark has project management responsibilities including preparation Stormwater Pollution Control Plans (SWPCP), site monitoring and reporting of stormwater discharge, and compliance monitoring of Underground Injection Control (UIC) systems.  Mark’s experience also includes investigation and oversight of numerous underground storage tank (UST) and residential heating oil tanks (HOT) cleanup projects.  Mark is also responsible for various site investigative and sampling activities and regulatory correspondence and reporting.