AMBER ALLMAN

Contract Specialist

Amber joined Freestone in 2022 as a Contract Specialist responsible for administering all contracts and subcontracts, and supporting other business functions including project cost accounting, client invoicing and monthly accrual reporting. Amber has over 20 years of professional business experience in contracting, auditing, and financial and risk analysis.

Education

Bachelor of Arts, Business Administration – Eastern Washington University, 2003

PIPER BENJAMIN

Environmental Scientist

Piper Benjamin is an environmental scientist with 12 years of experience working on Hanford Site remediation documents. She has prepared CERCLA process documents and RCRA permitting documents. Current projects include 200-IA-1 Expedited Remedial Action documents, 200-ZP-1 Sampling and Analysis Instruction Supporting Biodegradation Sampling, and coauthoring plans to support water discharge permits (NPDES) for eight hydroelectric dams in Washington State. Piper worked for two years on a project that simulated fish passage through Kaplan turbines of hydroelectric dams. In addition, she has been trained to surgically implant acoustic and PIT tags into juvenile salmonids and has extensive experience as a fish surgeon and in evaluating the effects of barotrauma.

Education & Certifications

Bachelor of Science, Biology (Fisheries and Wildlife Management) – Eastern Washington University, 2007

RHENTON BRIMBERRY

Environmental Scientist

Rhenton recently joined Freestone with a strong academic background in aquatic ecology where he used genomic data to identify gut microbiome taxa in salmon. Since joining Freestone Rhenton applies his experience with R to automate data quality assessment of complex data sets. He also works in ArcGIS to create and manage a geodatabase related to the Hanford Natural Resource Damage Assessment.

Education & Certifications

Bachelor of Science, Environmental Science - Washington State University, 2019
Master of Professional Science, Coastal Zone Management – University of Miami, 2023

SAM CARPENTER

Geologist

As a staff geologist at Freestone, Samuel supports Hanford hydrogeologic characterization activities and drilling and well construction activities. Prior to joining Freestone, he was a full-time student at Eastern Washington University. During his academic career, Samuel interned with the Spokane Bureau of Land Management and collected and compiled surface water data to assess water quality in Eastern Washington streams. His final project was focused on determining the presence and concentration of lead in the Palouse Prairie restoration site utilizing a scanning electron microscope.

Education & Certifications

Bachelor of Science, Geology, Environmental Science - Eastern Washington University, 2024

NICOLE COMBS

Document Team Lead, Geologist

Nicole Combs manages and supports several projects for the Hanford Site. She has led the planning and preparation of field summary reports, data quality objectives systematic planning records and associated sampling and analysis plans, and remedial process optimization/ remedial action objective assessments. She is responsible for maintaining close client communications and developing and tracking schedules and associated budgets. She has authored and supported regulatory compliance documents and has expertise in data verification and data quality evaluations. Field experience includes geologic support for borehole drilling and groundwater well construction in Maryland, West Virginia, and Washington state. Field activities included field documentation and report writing, soil, water, and air sampling, and soil characterization.

Education & Certifications

Bachelor of Arts, Geosciences and Environmental Studies – Pacific Lutheran University, 2016

KATHY DAVIS

Senior Regulatory Specialist / Geologist

Kathy Davis is a geologist, project manager, and program manager with over 25 years of environmental consulting experience. Her expertise is in permitting, regulatory compliance, hazardous and solid waste management, waste characterization, environmental investigations and assessments, feasibility studies, and remediation. She is experienced in the preparation of RCRA and CERCLA documentation for investigations, characterization, remediation, and closure planning. She is experienced in developing waste characterization and management strategies, including delisting petitions and negotiation of characterization approaches for radioactive and hazardous mixed wastes with complex or uncertain histories.

Education & Certifications

Master of Science, Geology - Northwestern University, 1979
Bachelor of Arts, Geology - University of Rochester, Rochester New York, 1972
Certified, Licensed Geologist

JOE DEVARY, PhD

Senior Scientist and Project Manager

Joseph Devary, PhD has over 30 years’ experience applying innovative scientific and technological solutions for environmental cleanup, hazardous waste management, and the stewardship of ecological resources. His technical strengths are in soils and groundwater contamination and management of aquifer resources with specialized expertise in sensitivity / uncertainty analysis, geostatistics, subsurface computer modeling, and geographic information systems (GIS) for radionuclide migration in groundwater systems. Additional expertise includes statistical analysis of toxicology studies.

Dr. Devary evaluated the Soil Vapor Extraction system at the 200-PW-1 OU ultimately resulting in the shutdown in this remediation activity since the site was cleaned up. He also managed RCRA groundwater monitoring programs at Hanford Tanks Farms including development of RFI’s and corrective action plans for the SST WMA’s. Additionally, DQOs, Work Plans, and Sample and Analysis Plans were developed as part of these activities. The work involved extensive interactions and negotiations with the USEPA, the Washington State Department of Ecology and regional stakeholders. He led efforts at the Pacific Northwest National Laboratory to win a $10-million DOE contract to manage the Hanford Consolidated Groundwater Monitoring Project (CERCLA, RCRA, and Operations).

Education & Certifications

Doctor of Philosophy, Mathematics (probability) – University of Minnesota, 1975
Bachelor of Arts, Mathematics – Washington State University, 1971

MARTY DOORNBOS

Environmental Engineer

Marty Doornbos has over 38 years of progressively responsible experience in leadership, management, and technical expertise for major environmental restoration projects involving soil, groundwater, buried mixed waste, and highly contaminated nuclear facilities. His experience includes all aspects of remedial actions, from remedial investigations involving complex site characterization, predictive fate and transport modeling, and feasibility studies through final remedy selection and preparation of records of decision. At Freestone, Marty supports CPCCo on the implementation of a new groundwater remediation system at Hanford’s C Farm and A-AX Farms and optimizing the existing groundwater remediation system at Hanford’s B Complex. He is also currently working with the Department of Energy and the regulatory agencies (WA State Department of Ecology and EPA) on finalizing CERCLA decision and implementation documents.

Education & Certifications

Master of Science, Geological Engineering/Hydrogeology – Montana College of Mineral Science and Technology, 1989
Master of Science, Geological Engineering/Hydrogeology – Montana College of Mineral Science and Technology, 1989
Bachelor of Science, Geological Engineering – Montana College of Mineral Science and Technology, 1983
Registered Professional Engineer (Environmental), Idaho No. 8360
Registered Professional Geologist, Idaho No. 690
Project Management Professional, No. 1878355

Jason Edwards

Environmental Scientist

Jason recently joined Freestone, bringing with him extensive experience in designing, installing, and maintaining SVE/AS remediation systems for hydrocarbon-contaminated site cleanup. He was also responsible for collecting groundwater and air samples and preparing monitoring reports for submission to the Nebraska Department of Environment and Energy. Since joining Freestone, Jason has leveraged his laboratory experience to verify data from Hanford site sampling results. He is currently involved in preparing a RCRA Facility Investigation/Corrective Measures Study for the B-BX-BY tank farms at the Hanford site and is a contributing author for a groundwater Sampling and Analysis Plan for a Hanford groundwater operable unit.

Education & Certifications

Bachelor of Science, Environmental Science – Doane College, 2014

CARY ERVIN

Senior Engineer

Cary has over 30 years of experience in environmental permitting, monitoring, and cleanup projects; various engineering projects; and project management. Environmental projects include preparation of RCRA permitting documents, and both RCRA and CERCLA site cleanup documents. She has experience with both RCRA clean closure and landfill closure of units with radiological or chemical agent contamination. Her CERLCA document experience includes RD/RAWPs, EE/CAs, AMs, RAWPs, AMPs, SAPs (with DQOs), and RARs. She has co-authored work plans for both RFI/CMS and RI/FS and plans to support water discharge permits for eight hydroelectric dams in Washington State. Engineering projects have included supporting the design and installation of a vacuum retrieval system to remove waste from underground storage tanks at the Hanford Site and material selection for severe operating environments. Cary has managed multiple concurrent high visibility RCRA closure and environmental monitoring projects and is experienced in maintaining positive relationships with regulatory personnel. She also models radionuclide air emissions using EPA’s CAP88‑PC software to support Hanford Site CERCLA removal actions.

Cary is currently supporting the Hanford Site with preparation of CERCLA cleanup documents for the Fast Flux Test Facility, RCRA closure documents for WMA C, and the Phase 2 RFI Report for WMA A-AX.

Education & Certifications

Master of Science, Material Science and Engineering – Washington State University, 1992
Bachelor of Science, Material Science and Engineering – Washington State University, 1990

BRAD HERMANSON, PE, PMP

Chemical and Environmental Engineer

Brad joined Freestone in 2023 with 40 years of consulting experience as a Chemical and Environmental Engineer and Project Management professional for industrial and government clients. Throughout his career he has provided project management, technical, and strategic expertise on over 60 federal National Priorities List (NPL) sites, including some of the most complex and controversial environmental projects in the Pacific Northwest. He also has recent experience providing transition and strategy development support to a major prime contractor for the Department of Energy Hanford Site. Since joining Freestone, Brad is providing CERCLA SME and strategy support during development of a Focused Feasibility Study and Proposed Plan for a high-priority decommissioning project on the Hanford Site.

Education & Certifications

Bachelor of Science, Chemical Engineering – Oregon State University
Master of Science, Civil/Environmental Engineering, Chemical Engineering Minor – Oregon State University
Masters of Business Administration – Oregon Executive MBA

SARAH LANDON

Environmental Engineer

Sarah has extensive technical experience at the Hanford site. She tracked waste transfers, sluicing progress, and retrieval of the first C-Farm tanks and compiled Retrieval Data Reports for C Farm. She has been involved with proposals, environmental reporting, Acceptable Knowledge, and technology development. At Freestone, she has provided support on Field SAPs and compilation of DQAs. She supports HNRTC data efforts standardizing data check processes. Sarah is currently involved in Tank Farm Closure for both RCRA and DOE 435.1 including research of historical Tank Farm records.

Education & Certifications

Bachelor of Science, Chemical Engineering - Oregon State University, 2003

SARA LINDBERG

Senior Environmental Chemist

Sara has over 25 years of professional experience, primarily in analytical chemistry, hazardous waste regulatory work, and environmental documentation, including RCRA permitting of hazardous waste treatment, storage, and disposal facilities. She has extensive experience with environmental data compilation and data management tools and systems used to support regulatory compliance and human health risk assessments. Sara’s uses her broad experience which includes laboratory analytical chemistry, data quality assessments, statistical evaluations, and regulatory compliance documents, to support many of Freestone’s regulatory planning documents including Sampling an Analysis Plans and complex RCRA Facility Investigation reports.

Education & Certifications

Bachelor of Arts, Chemistry – Whitman College, 1986

PAUL MARTIN

Environmental Scientist/RCRA Subject Matter Expert

Paul joined Freestone in 2023 with over 37 years of progressively responsible experience in environmental regulatory compliance and technical expertise with the Resource Conservation and Recovery Act (RCRA), and the Toxic Substances Control Act (TSCA) and familiarity with the Hazardous Materials Act (DOT), the National Environmental Policy Act (NEPA), the Clean Air Act (CAA), and the Clean Water Act (CWA). Much of Paul’s career was providing SME support to all aspects of environmental compliance from waste generation, waste management, reporting and permitting at the Hanford Site, the largest Department of Energy cleanup site in the nation. In addition to his SME responsibilities, Paul has audited hundreds of hazardous waste generators and permitted treatment, storage, and disposal facilities (TSDFs).

Education & Certifications

Bachelor of Arts, Geology – University of Tennessee, 1981
ISO 14001:2004 Lead Auditor

ALEXIS NARANJO

Geologist

Alexis is a skilled Staff Geologist with extensive field characterization experience. She has overseen borehole drilling, well construction, development and installation, well decommissioning, geologic characterization, hydraulic testing, and the collection of soil and groundwater samples. Alexis is also proficient in data verification of laboratory reports and contributes to and manages the production of various field summary reports. Additionally, she is adept at using ArcMap and ArcGIS Pro to create high-quality maps and figures for technical reports and presentations.

Education & Certifications

Bachelor of Science, Geology – Central Washington University, 2022
Geographic Information Systems Certificate

TONJA NASH

Office Administrator

Tonja has served as Freestone's Office Administrator since 2006. Attuned to the changing needs of a growing company, Tonja manages day-to-day office communications and functions while also serving as the Human Resources Manager for more than fifty employees at multiple work locations. Tonja is responsible for administering Freestone's timekeeping, payroll, benefits, retirement, and insurance programs. She also serves as the primary point of contact for client invoicing, billing, payments, and Freestone's vehicle fleet.

PATTY NEWMAN, LG

Geologist/GIS Analyst

Patty Newman is a licensed geologist and GIS analyst with expertise in spatial analysis and developing various 2D and 3D maps, figures, and animations for various hydrogeologic and environmental projects. Her work often includes creating and managing geodatabases, querying and editing spatial data, georeferencing and digitizing raster data, and generating high quality maps and graphics for use in technical reports and presentations. She is proficient in ArcGIS Desktop and ArcGIS Pro. Patty has expertise in hydrogeologic and environmental monitoring, soil and groundwater sampling, field logging and interpretation, and oversight of well completion activities. She has worked as a well-site geologist during drilling, construction, and development of groundwater monitoring wells at numerous project locations in Washington, Oregon, and Alaska. She is also skilled in preparing technical documents and reports that support various projects.

Education & Certifications

Master of Science, Geographic Information Science & Technology (GIST) - University of Southern California, 2019
Bachelor of Science, Geology - Washington State University, 2012
Licensed Geologist – WA #21014007

JEANETTE ROBERTSON

Administrative Assistant

Jeanette joined Freestone in 2022 and since that time has been an integral part of Freestone’s day-to-day operations. Jeanette’s positive influence on the company goes far beyond the myriad of duties she performs as an administrative assistant. She makes a special effort to make the workplace a pleasant experience by recognizing employee birthdays and decorating the office for the holiday and seasons. Some of her job duties include assisting with onboarding new employees, performing routine clerical tasks, maintaining office equipment, office/breakroom supply inventory and replenishing stock as necessary and even supports accounts payable and various bookkeeping functions for Freestone’s parent company. She also plans and helps coordinate office parties/employee morale events, reviews timesheets, emails reminders or notices, and greets visitors to the Freestone office.

JULIE ROBERTSON

Senior Regulatory Specialist / Geologist

Julie Robertson has over 25 years of experience in project management and environmental cleanup, specializing in soil and groundwater remediation, interpretation and application of environmental and safety regulations and requirements, and preparation of cleanup planning and permitting documents. She has successfully brought facilities into compliance with environmental and safety regulations and has developed practical plans for waste management, facility closure, and site cleanup. She has a proven ability to unite teams of supporting contractors, scientists, and engineers to accomplish tasks.

Education & Certifications

Bachelor of Science, Geology - Duke University, 1984

ASHLEY ROY

Staff Geologist

Ashley is a Staff Geologist with extensive field characterization and technical and regulatory document preparation experience. Her field characterization experience includes oversight of borehole drilling, well construction, development and installation, geologic characterization, hydraulic testing, and collection of soil and groundwater samples. Ashley is a quick learner with attention to detail, and she uses those talents in the conduct of her work. In the office she has experience performing data verification of laboratory reports and writing regulatory and technical documents. She is also proficient in ArcMap and ArcGIS Pro to generate quality maps and figures for use in technical reports and presentations.

Education & Certifications

Bachelor of Science, Geological Sciences - Central Washington University, 2022
Geographic Information Systems Certificate, CWU, 2022

KASEY SADLER

Geologist

Kasey joined Freestone having worked for a year as a geotechnical consultant. He’s leveraged that experience into his current work as a well-site geologist supporting hydrogeologic characterization, documenting well-site activities, and technical document support (assisting with data quality objectives and sampling and analysis plans). One highlight of his academic career was a study he conducted to evaluate if dispersed iron oxide particles or magnetite inclusions in plagioclase feldspar could explain geomagnetic intensity variations recorded by rocks. This work involved processing and analyzing numerous rock core samples and identifying data trends using statistical analyses.

Education & Certifications

Bachelor of Science, Environmental Science-Geoscience – University of Washington, 2023
40-hr HAZWOPER
Certified Sediment and Erosion Control Lead (CESCL)

FRANK SPANE, PHD

Senior Hydrologist

Frank joined Freestone in 2022 with over 40 years of professional experience including applied research, project management, and technical supervision and design of hydrogeologic investigations for carbon sequestration, nuclear repository, natural gas storage, and environmental site characterizations. Prior to joining Freestone, he retired from a distinguished 31-year career with the Pacific Northwest National Laboratory. Since joining Freestone, Frank provides subject matter expertise support for hydrologic assessment studies associated with various operable units located in the Central Plateau and adjacent to the Columbia River on the Hanford Site, He also continues to provide hydrogeologic characterization design support to multiple private and private-public partnership carbon sequestration projects throughout the United States.

Education & Certifications

Bachelor of Science, Geology – Washington State University, 1969
Master of Science, Hydrology – Colorado State University, 1972
PhD, Hydrology – University of Nevada Reno, 1977

ERIC STAUFFER

Project Geologist

Eric joined Freestone in 2023 upon completion of his master’s thesis where he collected gamma ray data and carbonate samples from Late Paleozoic strata to assess orbital cyclicity in time-series data using geostatistical analysis, signal processing, and sensitivity testing. Since joining Freestone, Eric has been a key contributor on a wide range of complex regulatory and technical documents related to RCRA Closure and Corrective Action, DOE Order 435.1 closure plans, and sampling and analysis plans for Hanford Site characterization. He has also supported the automation of data analysis, data visualization, and data quality assessment for complex data sets using Rstudio. He also has experience as a well-site geologist during drilling activities at multiple locations on the Hanford site.

Education & Certifications

Bachelor of Science, Geological Sciences – University of Idaho, 2017
Master of Science, Geological Sciences – Northern Arizona University, 2022
40-hr HAZWOPER

HANNAH STEINER

Geologist

Hannah joined Freestone in 2023 following completion of her Bachelor of Science degree from the University of Hawaii, Hilo and an internship with a mineral exploration company in the SE United States. Throughout her academic career, Hannah worked as a research assistant in a geology lab and focused her research on mapping fault systems proximate to the Kilauea volcano. Since joining Freestone, Hannah has principally provided well-site geologist support to multiple projects on the Hanford Site. Her attention to detail and innovation in organizing field observations has benefitted Freestone’s field characterization program.

Education & Certifications

Bachelor of Science, Geology – University of Hawaii, Hilo, 2023
40-hr HAZWOPER

JESSA SZECSODY

Senior Geologist

Jessa Szecsody is an environmental geoscientist specializing in regulatory compliance and soil and groundwater remediation. She authors and contributes to Resource Conservation and Recovery Act and Comprehensive Environmental Response, Compensation, and Liability Act documents, and enjoys field geology and performing laboratory analysis. Jessa’s field experience includes environmental geology support in China, Canada, Alaska, and the continental USA, including most recently at the Hanford Site. This field experience includes well site geology (including well installation and development), environmental sampling (including sampling in both the vadose and saturated zone), geophysical data collection and analysis, and construction oversight. She has conducted sulfur stable isotope analysis of sediments and developed and conducted uranium reactive transport geochemical experiments in sediments. Jessa also has experience with numerical modeling of data collected during her laboratory experiments and field sampling. Her experience spans from the project planning and execution phase through the synthesis of data to the presentation of results and conclusions.

Most recently, Ms. Szecsody has been supporting the development of Resource Conservation and Recovery Act (RCRA) and Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA) regulatory documents related to Hanford Site activities. Ms. Szecsody has also supported the Long-Term Stewardship Program in the development of institutional controls documents, surveillance and maintenance plans, and other annual reports.

Education & Certifications

Master of Science – Geological Sciences, University of Alabama, 2012
Bachelor of Science – Geology, University of Cincinnati, 2009

CYNTHIA TABOR

Senior Environmental Scientist

Cynthia Tabor has over 25 years of technical and management experience in environmental field characterization, remediation, restoration, and data management. She has worked with diverse groups of stakeholders to build consensus and achieve successful outcomes with clients and regulators. Her strengths include leading project teams to complete: contractual and regulatory technical documents; laboratory and data management activities; and field sampling efforts. She also excels at developing and streamlining environmental sampling and reporting approaches to ensure data quality and to create efficiencies.

Education & Certifications

Masters in Environmental Science, Hydrogeological Analysis – Miami University, 1990
Bachelor of Arts, Mathematics with a Minor in Statistics – Miami University, 1988