CTR072296_Amendment_11_-_Adds_Subs_and_KP.pdf

Form approved by CPO, Rev. 12-18-2018

CONTRACT

AMENDMENT

CONTRACT NO.: CTR072296

AMENDMENT NO.: 11

TITLE: ASRAC Assessment and Remediation of Hazardous Substances CONTRACTOR: CDM Smith, Inc.

ADEQ PROCUREMENT

1110 W. Washington Street Phoenix, AZ 85007 602-771-4140

THE PURPOSE OF THIS AMENDMENT IS TO:

In accordance with the Special Terms and Conditions 3.7 Subcontract and Uniform Terms and Conditions 5.1 Amendments, this contract is hereby amended as follows:

1. Add the following Subcontractors:

• AWP Safety/Trafficade Services LLC

• Wilson & Company

• Alliance Technical Group (formerly Airtech Environmental Labs)

• Ground Penetrating Radar Systems LLC

• Thompson Family Plumbing

• Desotec US LLC

2. Add the following Key Personnel: Elizabeth “Betsy” Bott, PE, PMP – Professional Level IV

3. All other Requirements, Specifications, Terms and Conditions remain unchanged.

THE ABOVE REFERENCED AMENDMENT IS A

UNILATERAL ACKNOWLEDGEMENT OF

CONTRACTOR’S APPROVED CHANGED

REQUEST.

ARIZONA DEPARTMENT OF ENVIRONMENTAL QUALITY

The above referenced Amendment is hereby executed this 8th day of December 2025 at Phoenix, Arizona.

Ana Machiche Procurement Officer

Available online at Arizona Procurement Portal (APP) eProcurement System https://app.az.gov https://app.az.gov/

Elizabeth “Betsy” Bott, PE, PMP Principal, Environmental Engineer

Betsy is a proven project manager, professional engineer, and certified project management professional with 12 years of experience. She specializes in industrial, federal and municipal remedial consulting projects. She regularly oversees team/client coordination and remediation services for soil and groundwater at Superfund sites. She has led preparation of field guidance documents (QAPP, SAP, FSP), led field sampling efforts, monitoring, permitting compliance, and technical report writing. She has delivered expert environmental consulting services to the energy, transportation, and manufacturing sectors. Her work includes developing Spill Prevention Control and Countermeasure plans (SPCC), creating Stormwater Pollution Prevention Plans (SWPP), and conducting Phase I and II environmental site assessments. Additionally, Betsy is adept at preparing annual hazardous waste reports and managing Tier II reporting.

Project Management Experience Deputy Project Manager, USEPA R7, Southwest Jefferson County OU6 – Valle Mines Superfund Site RI/FS, 2022 – Ongoing. Betsy is the deputy project manager and responsible for supporting the effective management of the Task Order (TO) by overseeing the maintenance of project documentation, preparation of monthly progress reports and invoices, and monitoring of cost, schedule, and performance. She ensures compliance with EPA requirements, including facilitating external audits and reviews as needed. Betsy actively avoids duplication of prior efforts by leveraging existing project and site information and ensures the use of the most current and applicable regulations and guidance. Additionally, Betsy is responsible for assigning work to personnel with the appropriate technical and professional expertise to ensure efficient and effective task execution.

Deputy Project Manager, USEPA R7, Cherokee Zinc Weir OU1/OU2 RI/FS, 2022 – Ongoing. Betsy is the deputy project manager and responsible for supporting the effective management of the Task Order (TO) by overseeing the maintenance of project documentation, preparation of monthly progress reports and invoices, and monitoring of cost, schedule, and performance. She ensures compliance with EPA requirements, including facilitating external audits and reviews as needed. Betsy actively avoids duplication of prior efforts by leveraging existing project and site information and ensures the use of the most current and applicable regulations and guidance. Additionally, Betsy is responsible for assigning work to personnel with the appropriate technical and professional expertise to ensure efficient and effective task execution.

Project Manager, Confidential Industrial Client, Large-Scale Environmental Remediation, South Texas, (2021-2024)

Betsy was the project manager and led a large-scale environmental remediation project involving the estimated release of over 3,000 barrels (128,436 gallons) of liquid hydrocarbons, with 2,582 barrels successfully recovered through hydrovac and strategic recovery points. Oversaw the excavation and offsite disposal of approximately 354,740 cubic yards of impacted soil across an 8-acre site. Directed field operations totaling 2,992 labor hours. Managed the installation of 50 assessment borings, 136 confirmation

Education

BS – Engineering, Environmental Specialty, Colorado School of Mines, 2013

Registration

Professional Engineer (PE): Texas

Certifications

Project Management Professional (PMP)

Basic Orientation Plus, Association of Reciprocal Safety Councils (ARSC)

Transportation Workers Identification Credentials (TWIC), Transportation Security Administration

8-Hour OSHA HAZWOPER Supervisor Training

30-Hour OSHA Construction Management

40-Hour OSHA HAZWOPER Training samples, and 4 permanent monitoring wells. Maintained compliance with EPA requirements, including facilitating external audits and reviews. Supported Task Order (TO) management by maintaining project documentation, preparing monthly progress reports and invoices, and monitoring cost, schedule, and performance. Assigned work to technically qualified personnel to ensure efficient task execution. Successfully navigated three client transitions and delivered the project with zero safety incidents. Project cost totaled $765K, with client expenditures estimated at $20M.

Project Manager, SWPPP Technical Amendments, Naval Facilities Engineering Command (NAVFAC), Mid Atlantic, 2022 - Ongoing. Betsy was the project manager and assisted in the preparation of Stormwater Pollution Prevention Plan (SWPPP) amendments for several NAVFAC Mid Atlantic installations. Betsy oversaw reviewing facility plans and field notes to identify changes in the facility storage, design, construction operation, or maintenance that affect the facility’s stormwater pollution potential. In addition, Betsy helped identify, track, and resolve any illicit discharges for each facility.

Project Manager, USACE, Kansas City/CAPE, Fort Leonard Wood Environmental Actions, 2020 -2024. Betsy managed environmental actions for the Fort Leonard Wood Army Installation. She developed a Quality Control Plan (QCP) outlining the quality control framework and the methods, tests, procedures, and inspection documentation processes.

She also led efforts to complete an Expanded Site Investigation (ESI) by preparing an ESI work plan, Uniform Federal Policy (UFP), and Quality Assurance Project Plan (QAPP), and supervising field sampling efforts.

Project Manager/Project Engineer, TotalEnergies, Port Arthur Refinery Corrective Action Monitoring Program, Port Arthur, Texas, 2018 - Ongoing. Betsy managed the TotalEnergies – Port Arthur Refinery Corrective Action Monitoring Program, overseeing semi-annual corrective action monitoring of seven wells as part of post-closure monitoring under the refinery's RCRA permit. She conducted post-closure inspections required by the TCEQ, visually inspecting each unit managed by the refinery. Betsy also collected groundwater samples using micro-purging techniques and recorded field measurements such as pH, temperature, specific conductivity, turbidity, and visual observations of the groundwater appearance.

Project Manager/Project Engineer, TotalEnergies, Explorer Pipeline Repair Activities, Port Arthur, Texas, 2018 - Ongoing. Betsy led the Explorer Pipeline anomaly repair activities inside the Starlake Superfund site. She managed marsh sediment sampling at six anomaly repair locations, provided technical guidance to subcontractors, and developed work plans to minimize disturbance to Superfund site contaminants. She also served as the client representative, supervised construction activities, and prepared daily reports for TotalEnergies.

Project Manager/Project Engineer, TotalEnergies, Port Arthur Refinery Solid Waste Management Unit 4 Program, Port Arthur, Texas, 2018 - Ongoing. Betsy oversaw compliance, reporting, and design aspects for the Solid Waste Management Unit 4 regulatory closure. She prepared and reviewed the Response Action Plan (RAP), evaluated human health pathways, engineering controls, and data against Texas Risk Reduction Program (TRRP) standards, Residential Assessment Levels (RAL), and critical PCLs, and developed the technical approach for the final remedial design and cap implementation.

Project Manager/Project Engineer, Summit Petroleum, Water Resource Development Program, Upton County, Texas, 2022. Betsy serves as project manager and project engineer for Summit Petroleum water resource assessment and wellfield aquifer testing services to support Summit’s water supply operations in the Midland Basin.

Betsy analyzed current water well operations, pumping rates, and drawdown and prepared a aquifer testing program for data gathering. Betsy determined aquifer testing rates and provided field staff support during testing activities. Betsy calculated transmissivities from both empirical equations and using AQTESolv programming. Betsy prepared a water availability and water use assessment summarizing groundwater well inventories, groundwater usage, water use status, groundwater resource status, availability and development potential and constraints for the study area and presented the data to the client land service manager.

Project Engineer Experience Project Engineer, XTO Energy, West, Texas. Betsy served as the onsite engineer for the multiple frac pond constructions. She performed quality control activities, including material inventory and inspection, daily reporting, and oversight of liner installation. Her responsibilities encompassed line system quality control, marking destructs, confirming panel placement, material usage, vacuum testing, seam welding logs, and inspection and review of final drawings. Additionally, Betsy assisted in preparing the liner certification report, which summarized construction and quality control testing.

Project Engineer, Santa Fe Solid Waste Management Agency, Caja del Rio Landfill, New Mexico. Betsy served as the onsite engineer for the SFSWMA Caja del Rio Landfill Cell 6B/6A Wedge construction. She performed quality control activities, including material inventory and inspection, daily reporting, and oversight of liner installation. Her responsibilities encompassed line system quality control, marking destructs, confirming panel placement, material usage, vacuum testing, seam welding logs, and inspection and review of final drawings. Additionally, Betsy assisted in preparing the liner certification report, which summarized construction and quality control testing. This report was submitted to and approved by the state of New Mexico.

Project Engineer, Confidential Client, Texas, 2018 - Ongoing. As field team leader, Betsy managed a sediment sampling event in a marsh using an airboat. She determined sampling locations based on the type of channel environment and depths and led geochronology sampling and tidal influence monitoring. Betsy also coordinated schedules and fieldwork between subcontractors to meet project deadlines.

Field Engineer, Soil and Groundwater Sampling and Drilling Oversight, Bayport, Texas, 2017 - Ongoing. Betsy conducted a baseline site assessment for a polyethylene plant expansion. She collected soil and groundwater samples, oversaw direct push drilling, and managed excavation oversight and confirmation sampling.

Project Technical Leader/Engineer, City of Beaumont, MS4, SWPPP, SPCC, Beaumont, Texas, 2016 - Ongoing. Betsy developed an outfall inventory protocol to assess the City of Beaumont's dry and wet weather outfalls. She took the initiative to collect locations and characterize all outfalls in the city. She collaborated with subcontractors on annual outfall inventories and representative monitoring sampling events. In addition, Betsy created four Multi-Sector General Permit Stormwater Pollution Prevention Plans (SWP3) and Spill

Prevention, Control, and Countermeasure (SPCC) plans for city facilities. She worked closely with the city on industrial MS4 on-call activities and provided crucial support for the stormwater management team.

Field Engineer, Soil Sampling, Groundwater Sampling, Total Port Arthur, Port Arthur, Texas, 2016 - Ongoing. Betsy worked to collect soil samples from ground cores bored throughout the Port Arthur Total Refinery. She worked to make bore logs to document the soil changes throughout the specimen and to collect two samples per log. Betsy was also responsible for collecting groundwater samples from each point.

Project Engineer, Field Team Lead, Department of Energy, Big Hill Strategic Petroleum Reserve, Big Hill, Texas, 2016 - Ongoing. Betsy was the field team lead (FTL) for field sampling efforts and remediation strategies at the Big Hill Strategic Petroleum Reserve for the Department of Energy to support closure activities of an anhydrite settling pond to be submitted to the Texas Railroad Commission (RRC). Betsy oversaw visually inspecting excavations to determining cleanup levels and directed subcontractors in the field to ensure that cleanup requirements were met.

Field Engineer, Phase I Environmental Site Assessments, Various Industrial Sites, 2016 - Ongoing. Betsy performs Phase I Environmental Site Assessments at Industrial locations throughout Texas. Assessments include checking sites for potential environmental liabilities.

Field Inspector, Pond Inspections, Eagle Ford, Texas, 2015 - Ongoing. Betsy performs inspections of frac ponds and wells at several sites for a confidential client. The work includes inspections of pond liners, exterior slopes, suction hoses, and hose connections from wells to ponds.

Project Engineer, Industrial Stormwater Multi-Sector General Permitting Support, Legacy Measurement Solutions, Tyler, Texas, 2015 - Ongoing. Betsy provided stormwater permitting support for an industrial manufacturing facility. She assisted with regulatory guidance and permit application.

Project Engineer, US Steel, Big River Steel, Osceola, Arkansas, 2021. Betsy served as a project engineer for the ResponsibleSteel gap analysis of Big River Steel in Osceola, Arkansas. Betsy reviewed the processes, operations, procedures, activities, and tasks associated with spills and leaks and waste, by-product, and production residue within the BRS facility, and evaluated how these operations conformed to the ResponsibleSteel requirements, and identified any deficiencies or gaps needed to fulfill these requirements.

Project Engineer/Technical Lead, Integrate Contingency Plan (ICP), Naval Facilities Engineering Command (NAVFAC) Naval Base San Diego (NBSD), 2019 - 2020. Betsy analyzed discharge scenarios and recommended spill contingency discharge protection strategies by performing a field survey and amendment of an Integrated Contingency Plan for NBSD in accordance with local, state, and federal regulations, intertrial standards and Navy Policy. Betsy recommended ten new site-specific protection strategies that would contain discharges from the facility as because of the location could be expected to cause substantial harm to the environment by discharging oil into or on the navigable waters or adjoining shoreline. Betsy presented my recommendations to the environmental naval staff and obtained final sign off by the naval professional engineer.

Project Engineer, SPCC Plan Technical Amendments, Naval Facilities Engineering Command (NAVFAC), Mid Atlantic, 2019. Betsy assisted in the preparation of Spill Prevention, Control and Countermeasure (SPCC) Plan technical amendments for several NAVFAC Mid Atlantic installations. Betsy oversaw reviewing facility plans and field notes to identify changes in the facility design, construction operation, or maintenance that affect the facility’s potential of an oil discharge. In addition, Betsy helped identify, track, and resolve any SPCC deficiencies for each facility.

Project Engineer, City of Albuquerque SPCC Training, New Mexico, 2019. Betsy developed and conducted Spill Prevention, Control, and Countermeasure (SPCC) training for city facilities, including landfills, golf courses, bio parks, and fleet maintenance sites.

She created training materials for each facility's SPCC Plan covering worst-case discharge scenarios, spill response, notification procedures, and SPCC inspections and documentation.

Project Engineer, 200 Phase 1 Environmental Site Assessment, Confidential Retail Store, various locations throughout United States, 2018 - 2019. Betsy assisted in the management and preparation of over 200 Phase 1 ESA’s of single and multi-tenant retail properties located throughout the United States. Bott oversaw scheduling staff to perform site visits, contracting Environmental Data Resources to provide record review reports, tracking project progress, reviewing field forms, and ensuring all reports were delivered on time. Betsy also performed several site reconnaissance site visits throughout Texas and Louisiana.

Field Engineer, Water Resource Availability Assessments, Permian and Eagleford, Texas and New Mexico, 2016 - 2019. Betsy has conducted multiple water resource assessments for oil and gas clients in the Permian and Delaware Basins. She has evaluated the hydrogeology of local aquifers by reviewing published reports and analyzing existing well construction, production water levels, and water quality data. Additionally, Betsy has examined data from the Texas Water Development Board (TWDB), Texas Railroad Commission (RRC), New Mexico Oil Conservation District (NMOCD), and New Mexico Office of the State Engineer (NMOSE). Her comprehensive assessments determine the availability, quality, and quantity of water resources necessary for operations..

Project Engineer, Waste Management Due Diligence, Texas, USA, 2018. Betsy was a project engineer that led both desktop and field efforts to assist the client in the acquisition of seven (7) oil and gas permitted landfills throughout Texas. Betsy conducted site reconnaissance including a limited facility integrity assessment and inspection of the facilities, permit and compliance review, and prepared detailed reports that provided recommendations that assisted the client in the purchase of the facilities. Betsy also collected fluid samples from the leak detection and leachate systems at select facilities to determine liner integrities. Betsy worked closely with the client to submit requested deliverables on time in a compacted timeline due to acquisition constraints.

Field Engineer, Water Well Testing and Aquifer Assessment and Analysis, Permian Basin and Eagleford, Texas, 2016 - 2018. Betsy was responsible for management and oversight of pulling water well pumps, video and gamma logging, constant rate testing, and step drawdown testing of water supply wells ranging from 300 feet to 6,000 feet in the Permian Basin and Eagleford. Betsy was also responsible for gauging wells, inspecting wells and pumps, setting up pump tests, and analysis of the aquifer data.

Project Engineer, City of Houston, Houston, Texas, 2017 - 2018. Betsy assisted the City of Houston with their technically based local limits (TBLL) redevelopment program. She was a lead sampler to collect low-level mercury and low-level metals samples, requiring sample collection at influent, internal, and effluent locations every 4 hours for a 7-day period. The sampling effort covered a total of 13 wastewater treatment plants owned and operated by the City of Houston to develop Pollutants of Concern (POC) and establish Technically Based Local Limits (TBLL).

Project Engineer, SM Energy, West Texas, 2016 - 2017. Betsy performed a hydrogeological assessment on the potential hydrogeological impacts of operating water supply wells in Upton and Midland Counties.

Project Engineer, Chevron Phillips Chemical Company, LP, Texas, 2016 - 2017. Betsy assisted in the preparation of a Spill Prevention, Control and Countermeasure Plan for the Chevron Phillips Conroe facility. Betsy performed a comprehensive site visit to record oil storage containers, containment capacities, potential discharge scenarios, response options, and current inspection and maintenance procedures.

Field Engineer, Baylor University, Property Transfer Assessments, Various Sites.

Betsy was responsible for Phase I assessments at various sites within Texas and reporting information to the University’s Real Estate Director, Office of Risk Management and General Counsel. Evaluation of potential environmental impacts at properties ranged from residential to active commercial facilities to industrial brownfield sites.

Prior to CDM Smith Staff Engineer, TRC Environmental Corporation, Houston, Texas. Betsy provided environmental remediation services to various clients in the energy, transportation, and manufacturing industries as a staff engineer. Her responsibilities included managing projects under the supervision of a senior professional engineer, managing budgets, scheduling hazardous waste transportation and disposal, and writing remediation reports for submittal to the EPA and the Texas Commission on Environmental Quality (TCEQ).

Other duties involved conducting Due Diligence Assessments, Annual Hazardous Waste Reporting and Tier II Reporting; performing Phase I and II Environmental Site Assessments; creating comprehensive, job specific Health and Safety Plans; conducting Spill Prevention Control and Countermeasure (SPCC) site inspections and writing SPCC plans; and conducting Storm Water Pollution Prevention Plan (SW3P) site inspections and writing SWP3 plans.

Field Intern, Habitat Management, Inc., Denver, Colorado. Betsy worked at multiple mine sites and reclamation areas conducting wetlands inspections, as well as seeding and planting at reclamation areas. She also worked at fire restoration areas where she helped build log erosion barriers and drop structures and surveyed and used GPS to mark channels.