Staff Search Results for "H"

Dale Haase, PE, is a Project Manager. He prepares and submits air permit applications; waste water applications: NPDES, stormwater and SPCC plans; hazardous waste generator compliance plans; and all types of environmental compliance reporting for clients. He is particularly experienced at helping clients build sustainable health and safety cultures using training and positive behavior reinforcement with an emphasis on compliance and case management.

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    • Dale Haase, PE, is a Project Manager. He prepares and submits air permit applications; waste water applications: NPDES, stormwater and SPCC plans; hazardous waste generator compliance plans; and all types of environmental compliance reporting for clients. He is particularly experienced at helping clients build sustainable health and safety cultures using training and positive behavior reinforcement with an emphasis on compliance and case management.

Bill Haley is a Project Director based in Colorado. He is experienced in landfill engineering and design, including air compliance, landfill gas collection systems, and flare permitting and design.

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    • Bill Haley is a Project Director based in Colorado. He is experienced in landfill engineering and design, including air compliance, landfill gas collection systems, and flare permitting and design.

Ms. Hall is an environmental engineer with a decade of experience managing environmental due diligence projects, agricultural land development, and environmental permitting and compliance for national and regional retail clients. She has experience in conducting site assessments, including subsurface investigations, remedial design and implementation, operations and maintenance, and regulatory reporting. She has in-depth knowledge of data analysis, operating procedures, and environmental compliance.

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    • Ms. Hall is an environmental engineer with a decade of experience managing environmental due diligence projects, agricultural land development, and environmental permitting and compliance for national and regional retail clients. She has experience in conducting site assessments, including subsurface investigations, remedial design and implementation, operations and maintenance, and regulatory reporting. She has in-depth knowledge of data analysis, operating procedures, and environmental compliance.

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Jared Hamela, PG, is a Senior Project Professional in our Charlotte, NC, operations. He has ten years of experience conducting environmental and geotechnical subsurface investigations on projects for industrial, commercial, institutional, and government clients. His solid waste experience includes construction and certification as well as environmental compliance program management. His groundwater monitoring experience includes monitoring and contamination assessments at solid waste landfills, fossil fuel combustion facilities for power sector clients, State-Lead UST and chlorinated solvent sites, National Priority List (Superfund) sites, and due diligence environmental site assessments. His geotechnical experience includes subsurface investigations for a variety of applications He is a licensed Professional Geologist in North Carolina.

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    • Jared Hamela, PG, is a Senior Project Professional in our Charlotte, NC, operations. He has ten years of experience conducting environmental and geotechnical subsurface investigations on projects for industrial, commercial, institutional, and government clients. He is a licensed Professional Geologist in North Carolina.
      His solid waste experience includes construction and certification as well as environmental compliance program management.
      His groundwater monitoring experience includes monitoring and contamination assessments at solid waste landfills, fossil fuel combustion facilities for power sector clients, State-Lead UST and chlorinated solvent sites, National Priority List (Superfund) sites, and due diligence environmental site assessments. His geotechnical experience includes subsurface investigations for a variety of applications.
      Mr. Hamela is experienced in geologic environmental assessments, including, general field coordination, performing associated field work, assisting project management, technical report writing, interacting with clients, preparation of reports, and performing various investigative and research tasks on projects.

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Nathan Hamm, PE, is our Senior Vice President for Strategic Initiatives. He has over two decades of environmental engineering consulting experience and formerly led our Landfill Leachate and Industrial Wastewater Treatment initiative. Throughout his career he has worked on projects for a variety of industries including solid waste management, alternative energy, power generation, meat processing, and agricultural production. His core technical expertise is industrial wastewater and landfill leachate treatment, solid waste landfill design and construction, and civil site development. Mr. Hamm is a licensed professional engineer in Iowa, Kansas, Missouri, Montana, North Dakota, Oklahoma, and Texas.

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    • Mr. Hamm is our Senior Vice President for Strategic Initiatives. He has over two decades of environmental engineering consulting experience and formerly led our Landfill Leachate and Industrial Wastewater Treatment initiative. His core technical expertise is industrial wastewater and landfill leachate treatment, solid waste landfill design and construction, and civil site development. He is responsible for managing complex projects, maintaining client relationships, and providing technical guidance.
      Throughout his career he has worked on projects for a variety of industries including solid waste management, alternative energy, power generation, meat processing, and agricultural production. He has served in a variety of technical and management roles including project engineer, project manager, client manager, team leader, and office manager. He is adept at listening to client’s needs, understanding the underlying business and personal drivers, and developing solutions to their most challenging environmental problems.
      Contact Nathan at 913-749-0705 or

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Mr. Hammers has over five years of experience as an engineer in the environmental field. His areas of expertise include regulatory compliance, sustainable practices, and chemical management. He has an in-depth knowledge of Wisconsin, Minnesota, and federal regulatory programs, including the Clean Air Act, Clean Water Act, Oil Spills Prevention and Preparedness Regulations, and the Emergency Planning and Community Right-to-know Act (EPCRA).

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    • Mr. Hammers has over five years of experience as an engineer in the environmental field. His areas of expertise include regulatory compliance, sustainable practices, and chemical management. He has an in-depth knowledge of Wisconsin, Minnesota, and federal regulatory programs, including the Clean Air Act, Clean Water Act, Oil Spills Prevention and Preparedness Regulations, and the Emergency Planning and Community Right-to-know Act (EPCRA).

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Ms. Han is a Project Professional with over 5 years of experience on solid waste projects and field work at landfills. She has participated in the preparation of engineering designs, drawings, specifications, technical reports, and provided construction oversight. Her academic background encompasses a wide range of topics, including geotechnical engineering, water quality control, water chemistry and analysis, environmental geochemistry, air quality, regulatory compliance, hydrogeology and fluid mechanics, wastewater treatment design, and energy efficiency. Jessie has a Masters degree in Civil and Environmental Engineering from USC.

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    • Ms. Han is a Project Professional with over 5 years of experience on solid waste projects and field work at landfills. She has participated in the preparation of engineering designs, drawings, specifications, technical reports, and provided construction oversight. Her academic background encompasses a wide range of topics, including geotechnical engineering, water quality control, water chemistry and analysis, environmental geochemistry, air quality, regulatory compliance, hydrogeology and fluid mechanics, wastewater treatment design, and energy efficiency. Jessie has a Masters degree in Civil and Environmental Engineering from USC.

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Mr. Hansen is a Vice President of SCS Engineers and a Regional Manager for our OM&M division. He is experienced in the fields of computer technology and landfill gas management. He has managed landfill gas (LFG) projects throughout the southeast United States, including operations and maintenance of landfill gas collection and control systems (GCCS) for regulatory compliance (i.e., federal New Source Performance Standards (NSPS)), odor and LFG migration control, LFG energy, and greenhouse gas credits.

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    • Mr. Hansen is a Vice President of SCS Engineers and a Regional Manager for our OM&M division. He is experienced in the fields of computer technology and landfill gas management. He has managed landfill gas (LFG) projects throughout the southeast United States, including operations and maintenance of landfill gas collection and control systems (GCCS) for regulatory compliance (i.e., federal New Source Performance Standards (NSPS)), odor and LFG migration control, LFG energy, and greenhouse gas credits.
      Mr. Hansen’s services on these projects include system analysis, data review and reporting, planning and project management, LFG extraction wellfield balancing and adjustment, compressor facility operation and maintenance, blower/flare station adjustment and maintenance, troubleshooting, and repairs.

Patrick Harms, PG, is responsible for project management and coordination of routine and non-routine monitoring and investigations, primarily at open and closed solid waste management sites. He specializes in groundwater investigations, including coordinating groundwater monitoring activities, analyzing environmental data, preparing regulatory compliance reports, and communications with regional and local regulatory agencies. He prepares and implements work plans for subsurface investigations, including borings and well installations, trenching, and remedial excavations. He is skilled in environmental sampling, including groundwater, surface water, leachate, soil, and soil vapor. Mr. Harms holds an MS degree in Geology, with thesis research in isotope hydrology. He is a licensed Professional Geologist in California.

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    • Patrick Harms, PG, is responsible for project management and coordination of routine and non-routine monitoring and investigations, primarily at open and closed solid waste management sites. He specializes in groundwater investigations, including coordinating groundwater monitoring activities, analyzing environmental data, preparing regulatory compliance reports, and communications with regional and local regulatory agencies. He prepares and implements work plans for subsurface investigations, including borings and well installations, trenching, and remedial excavations. He is skilled in environmental sampling, including groundwater, surface water, leachate, soil, and soil vapor. Mr. Harms holds an MS degree in Geology, with thesis research in isotope hydrology. He is a licensed Professional Geologist in California.
      Mr. Harms is experienced in groundwater monitoring and sampling events at Leaking Underground Storage Tank (LUST) sites in Northern California. He has developed work plans and cost estimates for dual-phase extraction pilot studies and subsurface investigations; participated in remedial excavations and free product removal at contaminated facilities; interfaced with regulatory agencies and site owners; and completed soil vapor monitoring well installations at various industrial locations. His experience includes purging and sampling of monitoring wells, coordination with laboratories, ordering of field supplies and equipment rental, soil logging and soil sample collection, and related field activities.

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Mr. Harquail is experienced in the operations, maintenance, and monitoring of environmental control systems. He serves as the Northwest Operations Manager for SCS Field Services, the landfill construction, OM&M division of SCS Engineers. Mr. Harquail and his staff are providing OM&M services at 15 active and closed landfills in the Pacific Northwest. Their responsibilities range from routine monitoring and maintenance of landfill gas and groundwater systems, to the operation of flare and leachate evaporation systems.

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    • Mr. Harquail is experienced in the operations, maintenance, and monitoring of environmental control systems. He serves as the Northwest Operations Manager for SCS Field Services, the landfill construction, OM&M division of SCS Engineers. Mr. Harquail and his staff are providing OM&M services at 15 active and closed landfills in the Pacific Northwest. Their responsibilities range from routine monitoring and maintenance of landfill gas and groundwater systems, to the operation of flare and leachate evaporation systems.
      Mr. Harquail’s experience includes managing and executing environmental compliance, OM&M and remediation field activities. He has also provided oversight and management activities related to contaminated soil and groundwater, the installation and monitoring of groundwater and landfill gas wells, and the skilled management of environmental testing in a shoreline environment. Finally, he is also proficient in the execution and QA oversight of soil management plans at large construction projects, employee and client training in sampling and collection methods, and evaluation and maintenance of monitoring equipment, blowers, flares and ancillary equipment. From 1992 through 2008, his previous employment included EMCON, McKenna Environmental, Quality Technical Services, and Ecology and Environment.

Yudex Hasbun, PE, is a Senior Project Manager in our Miami, FL, office. He has three decades of environmental and construction experience in the public and private sectors managing a wide variety of Phase I and II Environmental Site Assessments, site investigations and reporting, hazardous waste management and disposal, environmental permit acquisition, source removals, dewatering projects, and remediation design construction involving large-scale groundwater treatment, soil excavation, and in-situ soil treatment. He is a licensed Professional Engineer in Florida.

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    • Mr. Hasbun is a Senior Project Manager in our Miami, FL, office. He has three decades of environmental and construction experience in the public and private sectors managing a wide variety of Phase I and II Environmental Site Assessments, site investigations and reporting, hazardous waste management and disposal, environmental permit acquisition, source removals, dewatering projects, and remediation design construction involving large-scale groundwater treatment, soil excavation, and in-situ soil treatment. He is a licensed Professional Engineer in Florida.
      In addition, he provides consulting for environmental and civil construction projects for the Florida Department of Transportation (FDOT) Districts 4 and 6, Miami-Dade Expressway Authority (MDX), South Florida Water Management District (SFWMD), and private clients. He also has experience managing analytical laboratories and conducting Quality Assurance (QA)/Quality Control (QC) audits and implementing QA procedures.

Mr. Hatho is a Senior Vice President of SCS Engineers, our Technology Officer/Chief Information Officer, and our National Expert on Technology Services. He is responsible for developing new technologies that collect, monitor and control systems in the field. He has developed and deployed new hardware and software not previously utilized in the environmental engineering field. These new technologies help to reduce the costs of running and operating engineering projects, and are now sold as a product to clients. This helped launch a product development organization at SCS known as SCS eTools.

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    • Mr. Hatho is a Senior Vice President of SCS Engineers, our Technology Officer/Chief Information Officer, and our National Expert on Technology Services. He is responsible for developing new technologies that collect, monitor and control systems in the field. He has developed and deployed new hardware and software not previously utilized in the environmental engineering field. These new technologies help to reduce the costs of running and operating engineering projects, and are now sold as a product to clients. This helped launch a product development organization at SCS known as SCS eTools.
      Jay has leveraged hardware, software, and wireless technology to streamline the operations, maintenance, and monitoring of data that is collected at landfills. Landfills and landfill gas in particular, along with other industries must comply with government regulations. Collecting, storing and analyzing compliance data is expensive because traditionally it was time consuming and sometimes dangerous to collect. SCS Technology developed a secure and user-friendly web-based application to identify, collect, track, and report in real-time the data required to meet compliance regulations. The components work wirelessly and are built to last even under extreme weather conditions.
      Mr. Hatho also oversees the modernization and standardization of SCS’s IT organization to support the company’s growth. He is responsible for deploying modern technologies to help improve communication throughout the company and for leading the development of software products both internally and for clients.
      Prior to joining SCS, Mr. Hatho developed technology platforms and infrastructure for a major online brokerage firm, and served as the director of engineering for a major computer manufacturer. He started large organizations overseas and locally that improved business and helped increase revenues for several companies, and managed multi-million dollar engineering budgets while maintaining strict fiscal controls and disciplines.
      Contact Jay at 562-426-9544 or

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Mr. Hauser is a Project Director responsible for environmental compliance projects. He has over 30 years of experience with compliance topics such as air quality permitting, emission inventories, dispersion modeling, health risk assessments, and odor impact assessments. Mr. Hauser is experienced conducting odor studies of composting, landfill, and wastewater treatment plant operations. He has surveyed facilities to identify sources of interest, collected field samples of odorous emissions, developed odor emission profiles based on odor concentrations and odor flow rates, and conducted dispersion modeling to predict odor concentrations at or beyond the facility’s property boundary. He also provides health risk assessments for aerospace, manufacturing, wastewater treatment, and oil and gas facilities.

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    • assessments. Mr. Hauser is experienced conducting odor studies of composting, landfill, and wastewater treatment plant operations. He has surveyed facilities to identify sources of interest, collected field samples of odorous emissions, developed odor emission profiles based on odor concentrations and odor flow rates, and conducted dispersion modeling to predict odor concentrations at or beyond the facility’s property boundary. He also provides health risk assessments for aerospace, manufacturing, wastewater treatment, and oil and gas facilities.
      For the oil and gas industry, Mr. Hauser has completed Air toxic, criteria pollutant, and GHG emission inventories; Dispersion modeling for air quality impacts, plume visibility, HRAs, and QRAs; HRAs for production and remediation operations; QRAs for trucking, pipeline, and production operations; Pipeline management plans (PMPs) and SPCC Plans; and Title V semi-annual compliance reports and Title V renewal applications
      Mr. Hauser is currently helping clients comply with the greenhouse gas (GHG) regulations including mandatory reporting under California’s AB-32 regulation and EPA’s 40 CFR 98 regulation. In addition, Mr. Hauser supports SCS Tracer’s Risk Management and Safety Group. Within the Risk Group, Mr. Hauser has developed several California Accidental Release Prevention (CalARP) Programs, Risk Management Plans (RMPs), and Process Safety Management (PSM) programs for industrial clientele using acutely hazardous materials. His risk management experience includes preparing piping and instrumentation diagrams (P&IDs) for Hazard and Operability (HAZOP) studies, serving as HAZOP Quality Control and HAZOP Recorder, performing Hazard Analyses and Off-site Consequence Analyses, and developing documentation according to the specific requirements of Administering Agencies.

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Lindsey Hawksworth is an experienced geologist. She has experience managing field services staff performing environmental sampling. groundwater program management, and permitting for Illinois solid waste landfills (closed and active). Sampling activities include groundwater, wastewater, and drinking water at solid waste landfills, coal combustion residue (CCR) sites, and industries. Additional field work includes slug testing, well development, well installation, and abandonments. Lindsey has extensive experience with client connections and consults in regard to their field services needs and sample quality.

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    • Lindsey Hawksworth is an experienced geologist. She has experience managing field services staff performing environmental sampling. groundwater program management, and permitting for Illinois solid waste landfills (closed and active). Sampling activities include groundwater, wastewater, and drinking water at solid waste landfills, coal combustion residue (CCR) sites, and industries. Additional field work includes slug testing, well development, well installation, and abandonments. Lindsey has extensive experience with client connections and consults in regard to their field services needs and sample quality.

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Ms. Heffel is an experienced cost estimator.

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    • Ms. Heffel is an experienced cost estimator.

Greg Helland, RG, LG, is a Vice President and serves as the Northwest Business Unit Director. His technical experience includes management and project experience related to site assessment, RI/FS, environmental monitoring and data management, hazardous waste characterization, regulatory compliance, remediation and management, Brownfields, permitting, NEPA/SEPA, and human health and ecological risk assessment.

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    • Mr. Helland is a Vice President and serves as the Director of our Northwest Operations. His technical experience includes management and project experience related to site assessment, RI/FS, environmental monitoring and data management, hazardous waste characterization, regulatory compliance, remediation and management, Brownfields, permitting, NEPA/SEPA, and human health and ecological risk assessment. Mr. Helland has also served as project director for stormwater compliance, UST management and closure, spill prevention planning, and hazardous waste management/minimization projects.
      As Northwest Business Unit Director, Mr. Helland is ultimately responsible for ensuring that all contracts and scopes of work are properly executed, and that clients are provided with the highest quality data and deliverables. He ensures that regular internal project reviews are completed, that clients are kept apprised of progress and any changes, and that the clients’ expectations are satisfied.

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Christina Helms, PG, LSRP, is responsible for leading, growing, and managing SCS’s environmental services practice in the greater Pennsylvania, New Jersey, and Maryland area. She had nearly two decades of technical and environmental consulting experience as a geologist, project manager, senior technical advisor, and/or Licensed Site Remediation Professional (LSRP) on various national, regional, and local environmental projects for private sector clients in various markets including commercial real estate, residential housing, industrial/manufacturing, mining, and energy utilities. Project experience ranges from fast-paced due diligence for property transactions to long-term, multi-year projects with ongoing monitoring and reporting needs and requirements for sites with soil, groundwater, and air impacts.

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    • Christina Helms, PG, LSRP, is responsible for leading, growing, and managing SCS’s environmental services practice in the greater Pennsylvania, New Jersey, and Maryland area. She had nearly two decades of technical and environmental consulting experience as a geologist, project manager, senior technical advisor, and/or Licensed Site Remediation Professional (LSRP) on various national, regional, and local environmental projects for private sector clients in various markets including commercial real estate, residential housing, industrial/manufacturing, mining, and energy utilities. Project experience ranges from fast-paced due diligence for property transactions to long-term, multi-year projects with ongoing monitoring and reporting needs and requirements for sites with soil, groundwater, and air impacts.

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David Hendron, PE, has over 40 years of experience. He has experience working across the US and in Israel, Columbia, Mexico and Peru. His engineering practice has included major projects involving geotechnical engineering, hydrogeology, surface water hydrology, solid and hazardous waste management, litigation support/expert witness testimony, and regulatory interface with numerous local, state and federal regulatory agencies.

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    • Mr. Hendron has over 40 years of experience. He has experience working across the US and in Israel, Columbia, Mexico and Peru. His engineering practice has included major projects involving geotechnical engineering, hydrogeology (including extensive projects involving groundwater contamination and remediation studies), surface water hydrology, solid and hazardous waste management, litigation support/expert witness testimony, and regulatory interface with numerous local, state and federal regulatory agencies. He has worked on hundreds of varied multi-disciplined projects and has served as the project manager and project director to successfully complete the work to the satisfaction of his clients. Mr. Hendron is an active practitioner of geotechnical and geo-environmental engineering.

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Patty Herman provides technical support for mining related projects in southern Illinois, among other projects. She works in diverse and unique habitats, enhancing her awareness of the fragility of the ecosystem and the need to protect it, especially for agencies during the permitting process. Her experience includes writing and executing management plans and permits using her expertise in land management techniques. Ms. Herman has a Master’s degree in Biological Sciences.

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    • Patty Herman provides technical support for mining related projects in southern Illinois, among other projects. She works in diverse and unique habitats, enhancing her awareness of the fragility of the ecosystem and the need to protect it, especially for agencies during the permitting process. Her experience includes writing and executing management plans and permits using her expertise in land management techniques.
      During graduate school, she was selected by the Illinois Department of Natural Resources for the Natural Heritage Residency program. The residency provided exposure to resource management in both public and private sectors, and interaction with many federal, state, and local agencies, NGOs, and landowners. Ms. Herman is skilled at finding common ground among stakeholders, agencies, and the public to create safe land management for industrial and manufacturing. She has a Master’s degree in Biological Sciences.

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Marco Hernandez, PE, is a Vice President of SCS Engineers and a Project Director. He has two decades of experience in environmental regulatory compliance, remediation, storage tank closure assessments, materials testing and construction inspection services. He is knowledgeable in the area of environmental site assessments, environmental remediation, environmental regulatory compliance, dewatering, deep foundation construction, surveying, computer-assisted drawing and geographic information systems.

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    • Marco Hernandez, PE, is a Vice President of SCS Engineers and a Project Director. He has two decades of experience in environmental regulatory compliance, remediation, storage tank closure assessments, materials testing and construction inspection services. He is knowledgeable in the area of environmental site assessments, environmental remediation, environmental regulatory compliance, dewatering, deep foundation construction, surveying, computer-assisted drawing and geographic information systems.
      Mr. Hernandez has prepared remedial action work plans for the submission to the Miami-Dade County Department of Environmental Resources Management (DERM), the Broward County Environmental Protection and Growth Management Department (EPGMD) and the Florida Department of Environmental Protection (FDEP). Mr. Hernandez has conducted environmental site assessments for government agencies such as Florida Department of Transportation, Miami-Dade County Regulatory and Economic Resources, Miami-Dade County Public Schools, Miami-Dade College, the City of Miami and the United States Navy.

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Stephanie Hill, PG, is a program leader for SCS Engineers’ Carbon Sequestration and Deep Well Injection practice, hydrogeologist, and licensed Professional Geologist in Florida, Texas, Illinois, and Kentucky. She co-leads a team of geologists and engineers to advise clients of various industries on geologic storage options for carbon neutrality and disposal of industrial liquid residuals. Her experience includes permitting and regulatory compliance for underground injection control and coal mining, hydrologic investigations, and identifying large scale environmental impacts to surface and groundwater resources from various industry practices.

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    • Stephanie Hill, PG, is a program leader for SCS Engineers’ Carbon Sequestration and Deep Well Injection practice, hydrogeologist, and licensed Professional Geologist in Florida, Texas, Illinois, and Kentucky. Since joining SCS in 2013, she co-leads a team of geologists and engineers to advise clients of various industries on geologic storage options for carbon neutrality and disposal of industrial liquid residuals.
      Ms. Hill’s early career focused on environmental compliance for mineral and fossil fuel industries at the Texas Commission on Environmental Quality (1996 to 2000) and the Railroad Commission of Texas (2000 to 2012).
      She earned a BS in Geosciences with emphasis in hydrogeology and geomorphology at the University of Texas.

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Ms. Hinojosa is a Project Professional with experience in solid waste management and environmental projects throughout Florida, including a range of sustainable materials management and owner’s agent projects, managing a treatment, storage, and disposal (TSD) facility, and participating in household hazardous waste (HHW) collection events. She is also experienced with Phase I and II Environmental Site Assessments, field sampling, and providing CQA assistance for landfill, and dynamic compaction projects.

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    • Ms. Hinojosa is a Project Professional in SCS’s West Palm Beach, Florida office. She supports a wide range of environmental engineering services, including field sampling under FDEP standard operating procedures, soil and groundwater sampling, preparation of due diligence and Phase II reports for regulatory agencies, and supporting recycling options analyses and solid waste collection procurement. She is well-versed in compliance and standards and supporting long-term sustainable solid waste plans. Ms. Hinojosa has experience with solid waste management projects throughout Florida, including a range of sustainable materials management and owner’s agent projects, managing a treatment, storage, and disposal (TSD) facility, and participating in household hazardous waste (HHW) collection events. She also has experience with Phase I and II Environmental Site Assessments, field sampling, and providing CQA assistance for landfill, and dynamic compaction projects, as well as RCRA compliance work ranging from manifest compliance to hazardous waste collection and storage. She has Bachelor’s Degrees in environmental science and biology.

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Sarah Hoke is the Senior Marketing Manager for SCS Engineers’ Upper Midwest region. She has an MBA in Management and a Bachelor’s degree in Journalism with an Advertising focus. She has more than 20 years of experience marketing complex, high value business-to-business (B2B) services at national firms. Based in Madison, Wis., Sarah develops and supports content marketing strategies in four key markets: Solid Waste, Electric Utilities, Manufacturing & Facilities, and Real Estate Developers.

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    • Sarah Hoke is the Senior Marketing Manager for SCS Engineers’ Upper Midwest region. She has an MBA in Management and a Bachelor’s degree in Journalism with an Advertising focus. She has more than 20 years of experience marketing complex, high value business-to-business (B2B) services at national firms. Based in Madison, Wis., Sarah develops and supports content marketing strategies in four key markets: Solid Waste, Electric Utilities, Manufacturing & Facilities, and Real Estate Developers.

David Holsclaw, REM, is a Project Professional with over two decades of experience as a Remedial Program/Site Manager (RPM/RSM). His experience includes environmental permitting and compliance, remediation/restoration, pollution prevention, and environmental sustainability. Daivd is a Registered Environmental Manager (REM).

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    • David Holsclaw, REM, is a Project Professional with over two decades of experience as a Remedial Program/Site Manager (RPM/RSM). His experience includes environmental compliance, remediation/restoration, pollution prevention, and environmental sustainability. David is a Registered Environmental Manager (REM).
      His project management experience includes environmental permitting and compliance, monitoring, data analysis, and reporting for Resource Conservation and Recovery Act (RCRA), Comprehensive Environmental Response Compensation and Liability Act (CERCLA), and Toxic Substance Control Act (TSCA) regulated facilities; authoring and implementing HASP; planning, monitoring, sampling, field personnel training/management, subcontractor oversight, and assisting in the successful and timely completion of environmental engineering projects IAW ISO 14001; and providing employee and client subcontractor HASP training including hazard identification and communication, exposure pathways, permissible exposure limits, personal protective equipment, and decontamination procedures.
      Project work has included assessment, implementation, compliance, and closure of DHEC VCC projects of former commercial and industrial facilities for redevelopment.

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Ms. Horty is a Project Manager with over a decade of experience directly managing small to large scale projects that include emergency response; environmental site assessment and characterization; remedial pilot testing, construction, installation, operations, and maintenance; regulatory negotiations; and compliance. She is experienced in managing subsurface investigation and conducting oversight during remedial activities including source removal and remediation system installation. Ms. Horty also conducts large scale assessments and remediation of arsenic-impacted sites to useable residential properties.

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    • Ms. Horty has over 10 year’s of experience in environmental and ecological services, including managing small to large scale projects that include emergency response; environmental site assessment and characterization; remedial pilot testing, construction, installation, operations, and maintenance; regulatory negotiations; and compliance. Ms. Horty has a Bachelor’s Degree in Biological Science, with minors in geology and geography, and a certificate in Environmental Studies.
      Ms. Horty has experience conducting environmental site assessments, overseeing remediation activities and submitting regulatory reports including Phase I & II assessments for sites in Florida, Mississippi, Georgia, California, Texas, North Carolina, and The Bahamas at various types of properties including commercial properties, airport properties, retail gas station properties, and bulk storage terminals for large oil companies.
      Additional highlights of her professional career include a strong knowledge of applicable Florida Regulatory Chapters and Standard Operating Procedures. She has experience in state and international cleanup efforts and associated regulatory procedures. She participated in successful environmental closure efforts, which imposed engineering controls and property restrictions.
      Ms. Horty is experienced conducting environmental site assessments, overseeing remediation activities and submitting regulatory reports including Phase I & II assessments for sites in Florida at retail gas station properties and bulk storage terminals for large oil companies.
      Ms. Horty is a Project Manager with over a decade of experience directly managing small to large scale projects that include emergency response; environmental site assessment and characterization; remedial pilot testing, construction, installation, operations, and maintenance; regulatory negotiations; and compliance. She is experienced in managing subsurface investigation and conducting oversight during remedial activities including source removal and remediation system installation. Ms. Horty also conducts large scale assessments and remediation of arsenic-impacted sites to useable residential properties.

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Dr. Hostetler has nearly four decades of experience as an engineer and hydrogeologist. He has diverse experience in coal combustion residue (CCR) and solid waste management permitting, design, and construction projects. His areas of expertise focus on supporting electric utilities, property owners and developers, solid waste facility owners and operators to meet demands for addressing environmental changes and impacts on their operations.

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    • Dr. Hostetler has nearly four decades of experience as an engineer and hydrogeologist. He has diverse experience in coal combustion residue (CCR) and solid waste management permitting, design, and construction projects. His areas of expertise focus on supporting electric utilities, property owners and developers, solid waste facility owners and operators to meet demands for addressing environmental changes and impacts on their operations.
      Dr. Hostetler is an experienced hydrogeologist specializing in groundwater management for active and closed landfills, including groundwater monitoring, statistics, reporting, and permitting, as well as design sampling and analysis plans and implementing special groundwater studies. He is also experienced in the collection and treatment of landfill leachate, PFAS in liquid streams, groundwater and surface water, and industrial and municipal wastewater. Additional experience includes storage tank investigations and closures.
      He is also an experienced wetlands program manager, including for active landfills. His wetlands experience includes identification and delineation, permitting, mitigation design, working with agencies, and post-construction monitoring and maintenance.
      Dr. Hostetler has a PhD in planetary sciences from the University of Arizona.

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David Hostetter, PE, LEED AP, CEM, is a Vice President of SCS Engineers and a Business Manager for SCS RMC (Remote Monitoring and Controls). He manages the group’s RMC work across the USA and internationally.His project experience includes remote monitoring and control systems engineering, construction, and operation; landfill gas (LFG) blower/flare station engineering; LFG wellfield engineering; leachate and groundwater pumping systems engineering; energy audits; energy modeling; LEED design and documentation; commissioning and retro-commissioning; property condition assessments; and HVAC and plumbing engineering.

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    • Mr. Hostetter is a Vice President of SCS Engineers and a Business Manager for SCS RMC (Remote Monitoring and Controls). He manages the group’s RMC work across the USA and internationally. His project experience includes remote monitoring and control systems engineering, construction, and operation; landfill gas (LFG) blower/flare station engineering; LFG wellfield engineering; leachate and groundwater pumping systems engineering; energy audits; energy modeling; LEED design and documentation; commissioning and retro-commissioning; property condition assessments; and HVAC and plumbing engineering.
      Dave is a registered Professional Engineer in Pennsylvania and Virginia, a Certified Energy Manager, and a LEED Accredited Professional. He was a 2016 Waste 360 “40 Under 40” Award winner and a 2019 Control Engineering Magazine “Engineering Leaders Under 40 Award” winner, among other awards. His projects have received an Environmental Business Journal Technology Merit Award and an Inductive Automation Firebrand Award.
      Contact Dave at 717-799-0599 or

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Chuck Houser, PG, has over three decades of experience in the earth science industry. He is a registered geologist, certified engineering geologist, and certified hydrogeologist with experience conducting investigations on lithological formations. His experience includes environmental site assessments, groundwater monitoring, fault and landslide investigations, groundwater resource studies, geological mapping, and geotechnical investigations.

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    • Chuck Houser has over three decades of experience in the earth science industry. He is a registered geologist, certified engineering geologist, and certified hydrogeologist with experience conducting investigations on lithological formations. His experience includes environmental site assessments, groundwater monitoring, fault and landslide investigations, groundwater resource studies, geological mapping, and geotechnical investigations. He has assessed and remediated underground storage tanks and obtained reimbursement for cleanup costs from the California Underground Storage Tank Cleanup Fund. Mr. Houser’s scientific knowledge of geology and experience in the earth science industry enables him to prepare useful hydrogeological research, accurate environmental assessments, and appropriate remediation approaches.

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Logan Howard conducts groundwater monitoring, compliance, remediation services, and other environmental service projects for numerous landfills. He also conducts environmental assessments for transaction screen assessments and Phase 1 environmental assessment reports and provides groundwater, surface water, and stormwater services for municipal and private clients. Support for these clients includes site assessments, field sampling, data interpretation, statistical analysis, and report production.

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    • Logan Howard conducts groundwater monitoring, compliance, remediation services, and other environmental service projects for numerous landfills. He also conducts environmental assessments for transaction screen assessments and Phase 1 environmental assessment reports and provides groundwater, surface water, and stormwater services for municipal and private clients. Support for these clients includes site assessments, field sampling, data interpretation, statistical analysis, and report production.

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Priya Hrenko, PE, is a project engineer experienced in air permitting, environmental compliance, environmental auditing, Phase I environmental site assessments, soil and groundwater assessment and remediation, and stormwater permitting and compliance for solid waste, private, municipal, commercial, and industrial facilities across the southeast, central and Midwest United States.

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    • Priya Hrenko, PE, is a project engineer experienced in air permitting, environmental compliance, environmental auditing, Phase I environmental site assessments, soil and groundwater assessment and remediation, and stormwater permitting and compliance for solid waste, private, municipal, commercial, and industrial facilities across the southeast, central and Midwest United States.

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Wendy Hu, EIT, conducts landfill gas control systems projects throughout the southwest.

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    • Wendy Hu, EIT, conducts landfill gas control systems projects throughout the southwest.

Mark Huber, PE, is a Vice President and a National Expert on Electric Utilities. He has nearly 30 years of consulting experience in civil and environmental engineering, and specializes in urban redevelopment projects with a technical expertise in brownfield redevelopment, civil site design, and stormwater management. He is a licensed Professional Engineer in Wisconsin and Iowa.

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    • Mr. Huber is a Vice President and a National Expert on Electric Utilities. He has nearly 30 years of consulting experience in civil and environmental engineering, and specializes in urban redevelopment projects with a technical expertise in brownfield redevelopment, civil site design, and stormwater management. He is a licensed Professional Engineer in Wisconsin and Iowa.
      With a dual background in civil and environmental engineering, Mark is able to take urban redevelopment projects from initial site assessment through construction. Mark is adept at explaining complex issues in easy to understand language. His experience working on a variety of complex urban projects allows him to quickly identify key issues and develop smart, simple solutions that save clients time and money. Mark is an excellent communicator, which helps him bridge the gap between client goals and regulatory requirements. Mark is always excited about helping clients in creative ways with responsive customer service.
      Contact Mark at 608-216-7376 or

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Rachael Huempfner, PE, is an experienced environmental engineer with experience in wastewater and solid waste management permitting, design, and construction projects. Her areas of expertise include bidding/construction documents, construction quality assurance, and construction documentation. Rachael works with public solid waste facility owners/operators, public wastewater facility owners/operators, and electric utilities. Additional experience includes pond closure CQA and organics management systems.

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    • Rachael Huempfner, PE, is an experienced environmental engineer with experience in wastewater and solid waste management permitting, design, and construction projects. Her areas of expertise include bidding/construction documents, construction quality assurance, and construction documentation. Rachael works with public solid waste facility owners/operators, public wastewater facility owners/operators, and electric utilities. Additional experience includes pond closure CQA and organics management systems.

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Raymond Huff
Raymond Huff
Vice President/Project Director/National Expert on Greenhouse Gas
Long Beach, CA
National Expert: Greenhouse Gas
O. (562) 426-9544

Ray Huff, REPA, is a Vice President of SCS Engineers and our National Expert on Greenhouse Gas. He has three decades of experience in environmental consulting, and specializes in landfill regulatory compliance; air quality/compliance issues, including GHG emissions quantification; and site assessment, remediation, and post-closure care. Mr. Huff is an Accredited Lead Verifier under California Air Resources Board (CARB) with Transactions, Oil and Gas Systems, and Process Emissions Specializations, and a Registered Environmental Property Assessor (REPA).

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    • Ray Huff, REPA, is a Vice President of SCS Engineers and our National Expert on Greenhouse Gas. He has three decades of experience in environmental consulting, and specializes in landfill regulatory compliance; air quality/compliance issues, including GHG emissions quantification; and site assessment, remediation, and post-closure care. Mr. Huff is an Accredited Lead Verifier under California Air Resources Board (CARB) with Transactions, Oil and Gas Systems, and Process Emissions Specializations, and a Registered Environmental Property Assessor (REPA).
      Mr. Huff is also the Closed Landfill project lead within SCS’s California offices, with project management and coordination responsibilities for closed and inactive landfill projects throughout the state, including landfill probe evaluation work for CalRecycle. He has also participated on the Landfill Gas Technical Advisory Group to CalRecycle.
      Mr. Huff’s compliance expertise has been deployed in a Project Manager and Task Manager capacity on a variety of landfill investigations and risk assessments, hazardous substance site investigations and risk assessments, site remediations, solid waste and hazardous waste management plans, and GHG/air regulatory compliance projects throughout California.
      Contact Ray at 562-426-9544 or

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Kirt Hufstedler is a Senior Project Manager with 35 years of experience in environmental management.

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    • Kirt Hufstedler is a Senior Project Manager with 35 years of experience in environmental management.

Mr. Hultquist is an experienced environmental scientist and environmental sampling technician. His project experience includes multi-media (groundwater, leachate, stormwater, LFG, and soil) sampling using a variety of methods, procedures, and equipment, including extensive experience with low-flow purge and standard purge sampling methods. He routinely coordinates and performs multi-media environmental monitoring at WM, WCI, and municipal landfill projects, and has worked on a wide variety of projects, including EPA superfund sites, military bases, Phase II Environmental Site Assessments, petroleum impacted sites, fuel storage facilities, chemical manufacturing facilities, aggregate facilities, hazardous waste facilities, and active and closed landfills.

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    • Mr. Hultquist is an experienced environmental scientist and environmental sampling technician. His project experience includes multi-media (groundwater, leachate, stormwater, LFG, and soil) sampling using a variety of methods, procedures, and equipment, including extensive experience with low-flow purge and standard purge sampling methods. He routinely coordinates and performs multi-media environmental monitoring at WM, WCI, and municipal landfill projects, and has worked on a wide variety of projects, including EPA superfund sites, military bases, Phase II Environmental Site Assessments, petroleum impacted sites, fuel storage facilities, chemical manufacturing facilities, aggregate facilities, hazardous waste facilities, and active and closed landfills.

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Ms. Hunter is an Environmental Professional with experience performing environmental due diligence projects (Phase I and II Environmental Site Assessments) and National Environmental Policy Act (NEPA) environmental assessments. She also conducts remedial action projects, vapor studies, asbestos and radon surveys, stormwater and leachate sampling, and other tasks.

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    • Ms. Hunter is an Environmental Professional with experience performing environmental due diligence projects (Phase I and II Environmental Site Assessments) and National Environmental Policy Act (NEPA) environmental assessments. She also conducts remedial action projects, vapor studies, asbestos and radon surveys, stormwater and leachate sampling, and other tasks.
      Ms. Hunter’s project experience includes due diligence investigations, site investigations, environmental studies, and telecommunications projects. Facilities encompass a wide range of residential, commercial, industrial, and cellular tower sites throughout the United States. Project site experience includes gas stations, vehicle maintenance facilities, chemical processing, and large scale manufacturing plants. Chemical contamination encountered in soil, soil vapor, and groundwater media has included petroleum, heavy metals, pesticides, PCBs, and solvents. 

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Megan Husic (Hente) is an Environmental Project Manager with significant experience in environmental investigation and monitoring. Her experience includes Phase I and II Environmental Site Assessments (ESAs), soil and groundwater sampling, drilling and excavation oversight, asbestos inspections and clearances in accordance with AHERA and NAC 618, and lead inspections following HUD regulations. She is also proficient in the use of ArcGIS software to develop site maps, groundwater potentiometric maps, and other necessary figures for report preparation.

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    • Ms. Husic is an Environmental Project Manager with significant experience in environmental investigation and monitoring. Her experience includes Phase I and II Environmental Site Assessments (ESAs), soil and groundwater sampling, drilling and excavation oversight, asbestos inspections and clearances in accordance with AHERA and NAC 618, and lead inspections following HUD regulations. She is also proficient in the use of ArcGIS software to develop site maps, groundwater potentiometric maps, and other necessary figures for report preparation.

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Ashley Hutchens, REPA, CESCO, serves as Vice President and Environmental Services Director for SCS Engineers’ Long Beach and Las Vegas operations. Her experience includes property evaluation and due diligence, site assessment, characterization, remediation; vapor intrusion assessment and mitigation; and hazardous waste management. She has led hundreds of projects, including all phases, from the development of cost estimates for site assessment, mitigation, and remediation, to groundwater monitoring and sampling, preparation and review of final reports, interfacing with regulatory agencies, and management of all aspects of projects, staff, and various subcontractors.

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    • Ms. Hutchens serves as Vice President and Environmental Services Director for SCS Engineers’ Long Beach and Las Vegas operations. Her experience includes property evaluation and due diligence, site assessment, characterization, remediation; vapor intrusion assessment and mitigation; and hazardous waste management. She has led hundreds of projects, including all phases, from the development of cost estimates for site assessment, mitigation, and remediation, to groundwater monitoring and sampling, preparation and review of final reports, interfacing with regulatory agencies, and management of all aspects of projects, staff, and various subcontractors.

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