Troy Risk President’s Resume

Troy Risk has the expertise you need in today’s challenging regulatory environment. And here is the proof..

Curriculum Vitae


Bachelor of Science: Geology,
Minor: Mathematics;
Indiana University, Bloomington (2003)

Years of Experience

Total over 21 Years:
Troy Risk, Inc. – 1
TT Environmental LLC – 1
Hydrogeology, Inc – 3
AECOM (Earth Tech) – 3
Earth Exploration, Inc. – 3

Thais Tai Hubbard, LPG, President – Senior Geologist

Mr. Hubbard has 21 years of experience in a variety of environmental and geotechnical projects. Beginning his career as a drilling assistant for a geotechnical engineering firm, then becoming a licensed professional geologist, provides Mr. Hubbard with a diverse knowledge of investigative techniques for both geotechnical and environmental programs.

Mr. Hubbard is well versed in the design, management, preparation, and execution of subsurface investigation and remediation in complex geologic settings, including the evaluation and characterization of karst geology. Mr. Hubbard regularly performs geologic and hydrogeologic studies on numerous investigation sites and is familiar with federal government projects; including work for the Department of Defense, FEMA, U.S. EPA, and the United States Navy.

Professional Registrations

Licensed Professional Geologist Since 2008
– Indiana #2253

Temp. Professional Geologist 2016 – 2017:
Arkansas #14

OSHA 8-Hour Site Supervisor

(Refresher completed in 2020)

DOT/ IATA Hazardous Materials Transportation,
49 CFR 172.704 2014

FEMA- Project Officer (Ops. 1 and 2) and
Public Assistance Coordinator Training 2004-2005

Professional Publications and Abstracts

Society for Risk Analysis, 2013 Annual Meeting –

Project Experience – Environmental Investigation / Remediation

Environmental Assessment and Due Diligence

Multiple Properties, Numerous Cities, Indiana

Completed numerous property transfer due diligence projects throughout Indiana, including but not limited to Phase I and Phase II ESAs. Clients consist of banking institutions, private/individual landowners, developers, and commercial real estate companies. Developed specialized mitigation techniques for addressing recognized environmental conditions, saving clients’ money while ensuring a successful sale. Properties requiring mitigation, have included hazardous materials such as lead, petroleum hydrocarbons, chlorinated solvents (PCE, TCE, DCE, and VC), and toxic biological agents. Created the Environmental Background Check (EBCTM) for the banking institutions, specifically addressing the need for properties requiring a fast and accurate environmental review without the need of full due diligence.

Paint and Coatings Company – Investigation, Remediation, Compliance

Confidential Paint and Varnish Company, Evansville, Indiana

Project, task, and field management for environmental activities associated with historical and current impacts related to the manufacturing of paint and varnishes. Typical activities included trouble shooting of existing remediation systems, compliance with existing agreed order, subsurface and groundwater investigations and monitoring, oversight of drill rigs, soil sampling and stratigraphic logging. Authored work plans and developed budgets for multiple investigations for a variety of contaminants. Investigative activities included the total site characterization of a comingled plume of both LNAPL (1,2,4-trimethylbenzene) and DNAPL (chlorinated solvents – PCE), and development of the conceptual site model. Personally, designed and installed the extraction well network associated with the final remedial implementation consisting of a 52 extraction well, multi-phase extraction system.

McCullough Sales and Service – Environmental Assessment and Remediation

Former Gas Station, Evansville, Indiana

Conducted initial investigation confirming petroleum hydrocarbon impacts. Determined historical contamination and provided technical support and selection of legal representation. Successfully obtained environmental coverage for property owner for complete reimbursement and financial responsibility to complete the source removal and remediation of 8 underground storage tanks. Completed all investigations, monitoring, and the design of the remediation work plan (RWP). Work continues at this property; closure is expected by end of 2020.

City of Bloomington Utilities – Environmental Assessment and On-Call Services

Sewer Line Expansion, Bloomington, Indiana

Provided environmental and geotechnical assessment along 2 miles of a sewer line expansion through environmentally sensitive terrain (i.e. flood plain, wetlands, and hazardous material sites). Established new approach for construction activities through land tracts with existing deed restrictions. Conducted rapid investigation and re-characterization of the site property, allowing construction activities to continue as designed. Responsible for investigative work plan, regulatory management, and on-call environmental services during the construction activities.

Former Petroleum Sites – Investigation, Funding Options, and Site Closure

Numerous Sites, Bloomington and Evansville, Indiana

Developed a new approach for evaluating and redeveloping historical gas station properties using former insurance coverage. Coordinated specialized legal counsel for each property and performed Phase II Environmental Site Assessments (ESAs), Initial Site Characterizations (ISCs), and Further Site Investigations (FSIs) as necessary to receive accelerated insurance coverage and site closure.

Former Railroad Creosote Treatment Facility Investigation

CSX Transportation, Bloomington, Indiana

Project and task management assistance, including the oversite of roto-sonic drilling programs over a 1-year investigation period (with Site management responsibilities lasting a 4 year period). Designed and provided oversite for the installation of numerous extraction wells targeting subsurface karst features within a specific limestone formation – both deep and shallow bedrock wells. Hazardous waste inspection, and disposal management regarding recovered creosote materials.

Rubber Manufacturing Company – Investigation and Remedial Evaluation

Confidential Rubber Manufacturing Company, Princeton, Indiana

Project, task, and field management for environmental and geotechnical activities associated with the initial site characterization, conceptual model, and remedial technology evaluation. Activities include in-situ geotechnical testing and the collection of unconsolidated soils. Responsible for the design and coordination of subsurface investigations to ultimately define the remedial area of primarily chlorinated solvents (PCE, TCE, DCE, and vinyl chloride) found in both soil and groundwater. Regular coordination and implementation of low-flow sampling techniques for groundwater collection on a quarterly basis and provides oversight of drill rigs and stratigraphic logging. In-situ soil stabilization is based on the geotechnical and environmental evaluation completed to date.

Krempp Lumber Company (United States Navy Small Business MACC Holder)

Munitions Constituents, Construction Worker Safety – Sampling, Evaluation, Limited Risk Assessment

Developed new client and was awarded a project for the determination of residual contamination from explosives constituents as related to construction work safety. Developed contract, scope of work, and technical team to facilitate an expedited new client request. Authored field sampling work plan, coordinated staff, determined all safety protocols necessary to perform work within an explosives manufacturing facility. Managed field work execution, data review and evaluation, subcontractor budgets, and overall project financials. Co-authored abstract and presentation for the 2013 Society of Risk Analysis Annual Meeting.

RCRA Investigation, Active and Former Automotive Manufacturing Facilities

General Motors, Kokomo and Bedford, Indiana

Provided task management assistance, technical oversight and hydrogeologic support for the investigative activities related to shallow and deep chlorinated solvent impacts within the surrounding aquifer. Conducted numerous roto-sonic drilling events over a two-year period to support the horizontal and vertical delineation of chlorinated impacts at the unconsolidated and bedrock interface. Responsible for oversite of roto-sonic drilling program, core logging, design and installation of monitoring wells. Conducted packer testing and developed and evaluated geologic cross sections for the development of site conceptual model. Developed the written Standard Operating Procedure for soil vapor sampling and installed many of the soil vapor monitoring points currently utilized in the ongoing investigation.


Pipeline Release – Investigation, Remediation, Mitigation of Risk

Confidential Pipeline Transmission Company, Cedar Grove, Indiana

Project, task, and field management for environmental activities associated with a 30-inch diesel pipeline release. Activities included the design and installation of residential water filtration systems to mitigate risk to human health, advanced subsurface delineation of hydrocarbons using a Cone Penetration Testing (CPT) rig equipped with a Rapid Optical Screening Tool (ROST) – a form of Laser Induced Fluorescence, Light Non-Aqueous Phase Liquid (LNAPL) baildown testing, hydrogeologic testing (slug tests, pump tests, etc.), monitoring well installation, quarterly groundwater sampling, monthly groundwater gauging data management, evaluation, and reporting. Data collected from the above activities supported an in depth LNAPL mobility study resulting in quantitative analysis and mathematical modeling illustrating that the LNAPL was effectively immobile. Facilitated property access agreements and supported client legal counsel with environmental interpretation, state regulations, and residential communications.


Allison Transmission – Remedial Facility Investigation

Indianapolis, Indiana

Over two years of roto-sonic drilling, completed on numerous site investigations at the site. Responsible for oversite of rotosonic drilling programs using both sonic and mini-sonic drill rigs, core logging, design and installation of monitoring wells. Multiple events and multiple drilling companies used throughout the years of investigation at the site. Developed and evaluated geologic cross sections continually updating the site conceptual model, along with the characterization of chlorinated solvents (PCE, TCE, DCE, and VC) in deep multi-aquifer setting.


Redevelopment of Former Hydrocarbon Bulk Storage Facility

Confidential Petroleum Company, Indianapolis, Indiana

Preformed task and field management for investigation activities associated with the redevelopment of a former bulk storage plant back to a public baseball park. Activities included coordination of field events, sampling, clearing, reporting, and rigorous health and safety review and implementation related to the both hydrocarbon and lead impacted soil and groundwater. Remedial activities to included removal of lead impacted soils, groundwater investigation, and free product abatement. Received a risk based non-default closure with the final approval by Indiana Department of Environmental Management (IDEM) and the U.S. EPA (who provided a limited oversight role due to the historical sensitivity of the project).


Lee & Ryan (U.S. EPA) – Phase 1 Lincoln Park/ Milwaukee River Dredging Project

Milwaukee Estuary Area of Concern, Milwaukee, Wisconsin

Developed new client and was awarded a third-party oversight and site management role during the dredging of river sediments contaminated with primarily PCBs (portions TSCA waste) and asbestos. Developed teaming agreement, executed contract, and detailed scope of work regarding the third-party health and safety oversight; technical assistance, and as built drawings for the project. Coordinated staff, managed financial budgets, and maintained employee compliance throughout project duration.


Miller Springs Remediation Management, White Lake Dredging Superfund Site

Client Confidential, Montague, Michigan

Project geologist responsible for all environmental monitoring, sampling, and quality control. Coordinated resources for and implemented ambient air monitoring program consisting of time weighted average (TWA) constituent-specific sampling on a 24-hour basis using EPA methodologies for PCBs (TO-4a) and PM10 particulates, and NIOSH PCM and TEM methodologies for asbestos. Deployed, operated, and maintained real-time turbidity monitoring system consisting of five buoys with sensors placed above and below thermocline. Utilized data logging and telemetry to operate system remotely. Turbidity data was collected at 10-minute intervals, managed and evaluated with data management software. Utilized Trimble backpack GPS unit for precise placement of buoys and to direct confirmation sampling using a “Ponar” dredge sampling device to verify that contaminant cleanup objectives were met. Coordinated collection of all confirmation, waste disposal, and quality control samples. Wrote final report summarizing remediation activities. Project was completed on time and under budget.


Landfill Sighting Investigation

Confidential Client, Veedersburg, Indiana

Task and field management for geotechnical investigation activities associated with completing the Indiana State landfill application. Activities included interpretation of state landfill regulations, monitoring well installation, groundwater sampling, soil sampling, and data evaluation.


Remedial Facility Investigation

General Motors Corporation, Indianapolis, Indiana

Task Manager for environmental activities associated with automotive parts manufacturing facilities. Activities have included Phase I and II environmental assessments, coordination of and oversight of field investigations, quality control, reporting, and technical support. Contaminants of concern have included chlorinated solvents, petroleum hydrocarbons, polychlorinated biphenyls (PCBs), and metals. Remedial technologies implemented at the facilities have included groundwater pump & treat, air sparging, soil vapor extraction, in-situ reductive zones, and monitored natural attenuation.


Manufactured Gas Plant Remediation

Vectren Corporation, Indiana Gas Company, Inc., New Albany, Indiana

Site Safety and remediation task manager responsible for sample collection, data management, and client and regulator correspondence preparation. Coordinated and implemented a comprehensive real-time and time-weighted average (TWA) ambient air monitoring program. Used portable GC, PID and personal data ram/aerosol meter for real-time monitoring. Collected TWA constituent-specific samples on a 24-hour basis using EPA methodologies for semi-volatile organics (TO-13) and volatile organics using Summa canisters (TO-14). Corresponded with laboratory and managed all environmental data. Drafted confirmation sampling report and remediation completion report.


Natural Gas Pipe Line Pressure Testing/Water Quality Testing

Vectren Corporation, Indiana Gas Company, Inc., Crestwood, Kentucky

Project scientist responsible for setting up and operating mobile on-site water treatment system to control discharge concentrations of suspended solids and total iron released from a natural gas pipeline after pressure testing. Water quality was monitored on a real-time basis with a Hach DR 890 colorimeter and with analytical samples. Maintained and adjusted the system as needed for three consecutive days. Successfully filtered over 375,000 gallons of water, controlling the concentrations of total suspended solids and total iron in accordance with local DNR/EPA criteria.


Chemical Plant and Tar Pit Environmental Dredge Site

Michigan Department of Environmental Quality, Jennings, Michigan.

Project Geologist providing fulltime oversight for the duration of remediation activities for the dredging of lake-bottom sediments. Developed waste manifests for all transported hazardous waste. Conducted weekly progress meetings and authored daily progress reports. Performed turbidity monitoring and located, collected, and managed verification samples from specific coordinates within the dredge area using a “Ponar” dredge sampling device and GPS. Corresponded with laboratory and managed all environmental samples. Wrote construction summary report including sampling procedure/results, on-site ambient air monitoring summary, and turbidity monitoring summary. Successfully handled public relations, site security issues, and project documentation. The project was completed on time and under budget.


Railyard Superfund Site

Confidential Railway Client, Elkhart, Indiana

Construction manager for the design-build of a groundwater containment pumping and treatment system and groundwater circulation well pilot system. Provided full time field oversight and management for the construction of a groundwater treatment plant capable of treating 600 gallons per minute of volatile organic compound impacted groundwater. Oversaw the installation and hydrostatic pressure testing of approximately 5000 feet of HDPE piping. Coordinated construction activities during rail yard operations at one of the largest hump yards in the Midwest, including a 300-foot jack and bore beneath three sets of active rails, installation of three 150-foot extraction wells, and more than 2000 feet of trenching and backfilling. Managed the submittal plans, product data, and testing results for the duration of the project. Oversaw contractor health and safety including a weekly health and safety meeting. Prepared daily work activity logs and weekly progress reports. Approved small change orders and maintained a photographic log documenting project features. Wrote final report summarizing construction activities and containing the record documents for the project. Project was completed on time and under budget.


Wood Treatment – Voluntary Remediation Program (VRP) Site

Osmose-Casswood, Beardstown, Illinois

Project Geologist responsible for coordinating, implementing, and collecting data for step draw down testing on three extraction wells belonging to an existing remediation system. Using 4-inch submersible pumps, 25-gpm Mini-Troll pressure transducers, flow meters, and the necessary piping and attachments, initiated step draw down tests on each extraction well at three exact pumping rates. Using Win-Situ 4.0 and Grapher 5 software, collected the data and determined specific capacity for each extraction well. Conducted troubleshooting of existing pump and treat system working with the plant operator to identify and correct system inadequacies.


Confidential Utility and Energy Company – Geotechnical and Environmental Investigation

Confidential Utility Company, Conesville, Ohio

Lead field geologist, managing the installation of bedrock wells and unconsolidated wells regarding both environmental and geotechnical evaluations. Executed field work using hollow stem augers and air rotary drilling techniques.


Responsible for bedrock core collection, field logging, identification of karst marker beds in complex geologic setting, utility screening, and health and safety management


Confidential Utility and Energy Company – Investigation and Risk Assessment

Confidential Utility Company, Multiple Sites, Indiana

Project, task, and field management for environmental activities associated with historical and current coal ash management areas. Executed field inspection activities from land and water, regarding the evaluation and assessment of environmental risk to both groundwater and surface water receptors. Responsible for karst feature delineation, evaluation of risk mitigation alternatives, reporting, cost estimation, and coordination/oversight of additional field investigations.


Soil Assessment and Arsenic Plume Evaluation

Monroe County Solid Waste Management District, Bloomington, Indiana

Project geologist responsible for the comprehensive geotechnical evaluation of on-site soils within the landfills borrow area. During these activities the municipality expanded our scope of work to include the installation of monitoring wells due to arsenic contamination found in existing monitoring wells. Logged soils, collected Shelby tube cores, determined the location (installed, developed, and sampled) six monitoring wells, and correlated the stratigraphy of the soil borings to determine soil quantities. Wrote the Soil Assessment Report and contributed to the Arsenic Plume Investigation Report.


Confidential Insurance Companies – Investigation and Remediation

Numerous Sites, State of Indiana

Project manager and technical lead for review and assessment of investigative and remedial design for former dry cleaner properties impacted by chlorinated solvents (PCE, TCE, DCE, and VC). Performed remedial technology evaluations, including the cost analysis and logistical implementation. Responsible for review and coordination of prime contractor activities including the assessment of groundwater, soil, and soil vapor. Assessed data on a quarterly basis and developed routine remedial progress reports.


Indiana Brownfields Program (IFA) – Investigation and Reporting

Numerous Sites, Bloomington and Indianapolis, Indiana

Contract specialist for one of the sixteen pre-qualified IFA contractors. Responsible for development and implementation of Phase II Environmental Site Assessments (ESAs), Initial Site Characterizations (ISCs), and Further Site Investigations (FSIs) – specifically on Sites complicated by karst topography and on former railroad properties. Lead Geologist for the development of the conceptual site model, drilling program design and oversight, hydrogeologic (aquifer) testing, and reporting at selected Sites. Performed remedial technology evaluations on additional sites, including the cost analysis and logistical implementation.

Project Experience – FEMA and Emergency Response

Public Assistance, Hurricane Katrina

Federal Emergency Management Agency (FEMA), Louisiana

Lead project officer for 8 individuals dedicated to rebuilding the Louisiana School System in Tangipahoa and St. Tammany Parishes. Met with school systems and determined the extent and nature of damage parish wide. Developed strategies and designed temporary campuses to continue education (and in some cases housing) for more than 2500 students, grades K through 12. Received government training about residential and commercial issues pertaining to floodplain management and the National Flood Insurance Program (NFIP). Developed over $17 million in project worksheets and damage estimates. Trained 15 members of the FEMA Educational Facilities Team on the specifics of wise floodplain management and NFIP.

Public Assistance, Hurricane Relief

Federal Emergency Management Agency (FEMA), Florida

Lead project officer for Hernando County, Florida. Met with local municipalities and reviewed damages for all categories of both emergency and permanent work related to Hurricanes Charlie (FEMA-1539-DR-FL), Frances (FEMA-1545-DRFL), and Jeanne (FEMA-1561-DR-FL). Verified all reported damages and assessed eligibility in accordance with FEMA eligibility criteria between September 2004 and February 2005. Damages ranged from infrastructure to debris removal. Developed project worksheets for state reimbursement totaling approximately $3.8 million.

Emergency Derailment Response

Confidential Railroad, Multiple Locations. Indianapolis, Indiana; Painesville, Ohio; Brooks, Kentucky

Supported environmental activities conducted during the emergency response portion and ongoing environmental cleanup during each derailment. Responsibilities included oversight of contractor excavation/construction activities, assisting clean-up strategy development and implementation and onsite management of field staff, provide support to client and onsite hazardous materials responders, communications and reporting with client and regulatory agencies, collection of soil and/or water samples, facilitated transition from the emergency response phase to a long-term site investigation and remediation phase.

Project Experience – Karst Investigations

Tennessee Valley Authority (TVA) – Dye Trace Testing and Karst Delineation

Confidential Coal Powered Electric Generating Plant, Tennessee.

Responsible for the development of a comprehensive dye trace test program supporting the ongoing Agreed Order at an active coal fired power plant. Designed, implemented, and conducted numerous dye trace tests on a peninsula surrounded by the Cumberland River. Pilot testing of proprietary charcoal sample collection systems successfully confirmed the presence of subaquatic dye exit points within the submerged karst topography of the river system. Dye trace testing continues through 2017/2018.

Indiana Department of Transportation – Karst Delineation

Interstate 69 Corridor Karst Delineation, Multiple Sites, Indiana.

Responsible for delineation and characterization of karst features prior to and during highway construction. Assisted with the design and implementation of dye trace events throughout the highway corridor, including the sampling and laboratory analysis of dye trace sample media. Primary scopes of services continue to include karst feature identification, watershed delineation, downhole camera surveys, and groundwater/surface water sampling. Completed karst remediation throughout the I-69 corridor. Continue to serve as the On-Call Karst Expert for the Indiana Department of Transportation, along the being the karst specialist on additional INDOT contracts.

Harbor Environmental Inc., Arkansas Department of Environmental Quality

Karst Geologist – Confined Animal Feeding Operation Subsurface Investigation

C&H Hog Farm, Mt. Judea, Arkansas

Performed karst evaluation on behalf of the Arkansas Department of Environmental Quality (ADEQ) regarding the potential subsurface migration pathways of hog waste. Contracted as the lead Geologist responsible for subsurface evaluation, drilling oversight, rock core analysis, and investigative report. Consulted investigative team on groundwater sampling techniques and reviewed/evaluated downhole geophysical logs.

CJ Seto Inc. (United States Navy Small Business CLEAN Contract Holder)

Karst Feature Identification Assistance – GIS Database Updates

Naval Surface Warfare Center (NSWC), Crane Detachment, Crane, Indiana

Worked with federal contractor to help identify and plot karst features. Interpreted and reviewed over 50 hand drawn schematics involving the locations of cave, spring, and disappearing stream features. The final locations were then plotted on the existing NSWC Crane GIS map. Additional karst mapping work continues.