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Mr. Panesar serves SCS as a Senior Project Professional in our Landfill Gas (LFG) group located in Reston, Virginia. He is experienced in general civil and environmental engineering practices, which includes implementation of remedial projects, groundwater, soil and soil-vapor sampling, field data collection and interpretation, construction oversight and health and safety support during construction projects.

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    • Mr. Panesar serves SCS as a Senior Project Professional in our Landfill Gas (LFG) group located in Reston, Virginia. He is experienced in general civil and environmental engineering practices, which includes implementation of remedial projects, groundwater, soil and soil-vapor sampling, field data collection and interpretation, construction oversight and health and safety support during construction projects.

Mr. Parra is a Senior Project Professional in our Tracer division. His primary responsibility is to assist facilities that use anhydrous ammonia in addressing EPA’s Risk Management Program (RMP) and OSHA’s Process Safety Management (PSM). Those duties include: Facilitating onsite Process Hazard Analysis studies, Process Safety Management auditing, and Risk Management studies.

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    • Mr. Parra is a Senior Project Professional in our Tracer division. His primary responsibility is to assist facilities that use anhydrous ammonia in addressing EPA’s Risk Management Program (RMP) and OSHA’s Process Safety Management (PSM). Those duties include: Facilitating onsite Process Hazard Analysis studies, Process Safety Management auditing, and Risk Management studies.
      He began his career in ammonia refrigeration shortly after obtaining his degree working at Polar Brewery in Venezuela as an Engineering Services Mechanical Maintenance Analyst. Polar Brewery utilizes an ammonia refrigeration system containing 150,000 pounds of ammonia and is one of Latin America’s largest breweries by volume. After several years of working in Venezuela he relocated to the United States where he continued to work with ammonia refrigeration on a 99,000 lbs system at Unilever Ice Cream North America in Henderson, NV as an Engineering Services Maintenance Supervisor. He had responsibilities that included managing the facility refrigeration system, related PSM/RMP Programs and Nevada’s Chemical Accident Prevention Program (CAPP).
      Prior to joining SCS Tracer environmental Juan worked for Lineage Logistics as the Engineering / Maintenance Manager for their 700,000 sqf. cold storage facility in Mira Loma, CA. Once again his key responsibilities included managing the facility’s ammonia refrigeration system, PSM/RMP programs and California Accidental Release Prevention (CalARP) program. He additionally managed environmental and safety programs, budgeted and executed capital projects, prepared and managed budgets, achieved significant energy savings, among others.

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Mr. Paul has over 20 years of versatile environmental and health and safety experience helping clients meet and exceed compliance issues and providing them with cost-effective solutions. His environmental consulting experience includes coordinating, conducting, and managing environmental projects involving contamination assessment, remedial system construction, and operation of remediation treatment systems; environmental due diligence; pollution prevention; environmental permitting; storage tanks; and storm water.

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    • Mr. Paul has over 20 years of versatile environmental and health and safety experience helping clients meet and exceed compliance issues and providing them with cost-effective solutions. His environmental consulting experience includes coordinating, conducting, and managing environmental projects involving contamination assessment, remedial system construction, and operation of remediation treatment systems; environmental due diligence; pollution prevention; environmental permitting; storage tanks; and storm water. Mr. Paul also served as an On Scene Coordinator Representative, Pollution Responder/ Investigator and Boarding Officer for the US Coast Guard.

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Mr. Pearce has nearly four decades of environmental project experience, with emphasis in groundwater impact assessment, groundwater and soil gas monitoring, environmental remediation, and solid waste/hazardous waste management.

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    • Mr. Pearce has nearly four decades of environmental project experience, with emphasis in groundwater impact assessment, groundwater and soil gas monitoring, environmental remediation, and solid waste/hazardous waste management. He has managed various size environmental projects ranging from small site inspections to multi-year evaluation and monitoring investigations. Many of these projects have involved evaluation of environmental impacts, and monitoring and compliance for both closed and active solid/hazardous waste management facilities. This included establishing monitoring systems, preparing monitoring and compliance plans, performing ongoing monitoring through sample collection and analysis, evaluation of field and laboratory analysis results, and preparation of regulatory compliance reports for detection monitoring, evaluation monitoring, and corrective action implementation and assessment.
      Mr. Pearce has also directed projects for investigation of hazardous waste sites and related impacts, and conducted Phase I and Phase II site assessments for property transactions and development. In addition to site assessments for development and Brownfield projects, Mr. Pearce has completed Phase II assessments to define the nature and extent of environmental impacts at hundreds of sites throughout the U.S. In addition to extensive experience in California, he has managed projects in approximately 30 states, plus Jamaica, The Bahamas, and Puerto Rico. He also participated in the first Groundwater Scientific Trade Mission between the United States and the former Soviet Union.

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Mr. Pearson is a Project Director in our Kansas City office. He is a water/wastewater engineer with over 40 years’ experience in water treatment plant design and process design. Project experience includes sewer and waterline extensions, water treatment plant design, and well system design, client management, mentoring of project designers, and project management from preliminary design through construction phase engineering. Mr. Pearson is a licensed Professional Engineer in Kansas, and a qualified Environmental Professional.

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    • Mr. Pearson is a Project Director in our Kansas City office. He is a water/wastewater engineer with over 40 years’ experience in water treatment plant design and process design. Project experience includes sewer and waterline extensions, water treatment plant design, and well system design, client management, mentoring of project designers, and project management from preliminary design through construction phase engineering. Mr. Pearson is a licensed Professional Engineer in Kansas, and a qualified Environmental Professional.

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Mr. Pelikan is a Senior Project Professional in our Southwest region. He is responsible for design and project oversight for solid waste and environmental management projects in central and northern California. This includes landfill engineering, landfill gas (LFG) management, solid waste studies, landfill environmental systems, quality assurance oversight, budgeting, and construction. Since 2013, he has completed solid waste, facility design, compliance audit, and other environmental projects for municipal and private clients. He has a Bachelor’s Degree in Geological Engineering and is a certified Nuclear Density Gauge Operator and a certified Geosynthetics inspector.

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    • Mr. Pelikan is a Senior Project Professional in our Southwest region. He is responsible for design and project oversight for solid waste and environmental management projects in central and northern California. This includes landfill engineering, landfill gas (LFG) management, solid waste studies, landfill environmental systems, quality assurance oversight, budgeting, and construction. Since 2013, he has completed solid waste, facility design, compliance audit, and other environmental projects for municipal and private clients. He has a Bachelor’s Degree in Geological Engineering and is a certified Nuclear Density Gauge Operator and a certified Geosynthetics inspector.
      Projects have included financial analysis, permitting, design, construction, quality assurance, sampling and analysis, and regulatory compliance services. Facilities have included landfills, material recovery facilities (MRFs), transfer stations, and support facilities (e.g., roadways, buildings, stormwater).

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Mr. Perez is a Senior Project Professional experienced in environmental consulting and research. He specializes in asbestos and lead-based assessments and surveys, and environmental site assessments. He holds certifications as a California DOSH Certified Asbestos Consultant (CAC) and a California Department of Public Health Lead Inspector/Assessor (LI/A), Lead Project Monitor (LPM) and Lead Supervisor (LS). He joined SCS in 2019. His asbestos and lead-related experience includes performing building surveys for asbestos and lead-containing materials, providing oversight during the removal of such materials, performing contamination assessments, and developing decontamination and abatement procedures.

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    • Mr. Perez is a Senior Project Professional experienced in environmental consulting and research. He specializes in asbestos and lead-based assessments and surveys, and environmental site assessments. He holds certifications as a California DOSH Certified Asbestos Consultant (CAC) and a California Department of Public Health Lead Inspector/Assessor (LI/A), Lead Project Monitor (LPM) and Lead Supervisor (LS). He joined SCS in 2019. His asbestos and lead-related experience includes performing building surveys for asbestos and lead-containing materials, providing oversight during the removal of such materials, performing contamination assessments, and developing decontamination and abatement procedures.
      He has also performed indoor air quality (IAQ) assessments, construction and industrial hygiene monitoring, and exposure evaluations in commercial, industrial, and public buildings. Many of these projects have required careful coordination and clear communication between multiple parties to achieve successful project completion. Clients have included property owners, insurance adjusters, developers, contractors and regulatory agencies.

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Eric Peterson
Vice President/Project Director/National Expert on Elevated Temperature Landfills and on Landfill Gas Control
Medford, NJ
National Expert: Landfill Gas Control; Elevated Temperature Landfills
O. (609) 654-4000

Mr. Peterson is a Vice President of SCS Engineers and our National Expert on Landfill Gas Control and Elevated Temperature Landfills. He directs landfill-gas (LFG) investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors and designs LFG systems for energy recovery and control of emissions, odors, and migration. He is a licensed professional engineer.

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    • Mr. Peterson is a Vice President of SCS Engineers, our National Expert on Landfill Gas Control, one of our National Experts on Elevated Temperature Landfills, and the manager our Medford, New Jersey, office. He directs landfill-gas (LFG) investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors and designs LFG systems for energy recovery and control of emissions, odors, and migration. He is a licensed professional engineer.
      Mr. Peterson directs LFG investigations and energy utilization studies, provides due diligence for energy and carbon emission reduction investors, designs LFG systems for energy recovery and control of emissions, odors and migration, and provides training and consulting for system operations and optimization. He also is involved in bioreactor and leachate recirculation system engineering and operations consulting.
      Practice Areas
      His projects involve permitting, design, construction engineering, system start-up and trouble-shooting. He has designed over 150 LFG systems including LFG recovery systems; emissions and odor control systems; and systems to protect buildings located adjacent to and on landfills. As an expert in landfill emissions, air regulations and associated permitting and compliance requirements, he has conducted training air compliance seminars to both private waste firms and regulatory agencies.
      Contact Eric at 609-654-4000 or

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Mr. Petoyan directs SCS’s nationwide Operations, Monitoring, and Maintenance, (OM&M) practice. He has technical and management experience in environmental engineering, including design, construction, and operation of regulatory compliance systems and energy recovery facilities.

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    • Galen Petoyan directs SCS’s nationwide Operations, Monitoring, and Maintenance (OM&M) practice. He has technical and management experience in environmental engineering, including design, construction, and operation of regulatory compliance systems and energy recovery facilities.
      Practice Areas
      Mr. Petoyan’s experience has primarily involved landfill gas (LFG) control and recovery; landfill fire containment, control, and emergency response; surface emission monitoring and control; odor detection and management; liquids management, including leachate collection, treatment, and disposal; volatile organic compound (VOC) vapor extraction and disposal; groundwater pump and treat; landfill post-closure monitoring, maintenance, and reporting; data management, validation, and reporting; remote telemetry; compliance auditing; and health and safety program deployment and implementation.
      Mr. Petoyan is also responsible for implementing the firm’s technical review, quality assurance, health and safety, and compliance audit programs. Other remediation experience includes underground storage tank (UST) removal, dig-and-haul, and bioremediation cleanup of contaminated soil.

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Christopher Petro
Project Manager
Santa Maria, CA
O. (805) 348-4208

Mr. Petro is a Project Manager for our Tracer division.

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Mr. Pezzotti is a Project Professional with experience working on a variety of sites involving Phase I and II Environmental Site Assessments, contamination assessment and remediation, air monitoring, and health and safety compliance. He has experience sampling various environmental media, including groundwater, surface water, soil, sediment, and air.

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    • Mr. Pezzotti is a Project Professional with experience working on a variety of sites involving Phase I and II Environmental Site Assessments, contamination assessment and remediation, air monitoring, and health and safety compliance. He has experience sampling various environmental media, including groundwater, surface water, soil, sediment, and air.
      He has performed due diligence work for Phase I and Phase II Environmental Site Assessments, including communication with regulatory agencies, acquiring and interpreting environmental database reports, site reconnaissance, field sampling and is familiar with the structure of regulatory policies and reporting requirements. Mr. Pezzotti is experienced with ArcGIS, Surfer, Aquiferwin, and AutoCAD.

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Mr. Phillips has over two decades of designing and implementing Integrated Solid Waste Management – ISWM programs. He works with a growing number of solid waste management clients interested in integrating sustainable materials management into their solid waste master plans. His expertise includes a comprehensive list of individual tasks and services, including facilitating strategic planning and consensus-building sessions, performing waste and recycling industry market analyses, developing and presenting comprehensive financial plans to solid waste agencies, identifying, authoring, and managing federal and state grants. He also designs, performs, manages waste characterization analyses, authors and produces videos for training and education purposes, and is involved in community outreach events for solid waste agencies, city councils, and the public.

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    • Mr. Phillips has over two decades of designing and implementing Integrated Solid Waste Management – ISWM programs. He works with a growing number of solid waste management clients interested in integrating sustainable materials management into their solid waste master plans. His expertise includes a comprehensive list of individual tasks and services, including facilitating strategic planning and consensus-building sessions, performing waste and recycling industry market analyses, developing and presenting comprehensive financial plans to solid waste agencies, identifying, authoring, and managing federal and state grants. He also designs, performs, manages waste characterization analyses, authors and produces videos for training and education purposes, and is involved in community outreach events for solid waste agencies, city councils, and the public.

Mr. Pierce has 40 years of experience in energy and environmental facilities project development, engineering, construction management and operation/maintenance. He has been responsible for a wide range of activities and services on energy and environmental projects, including: feasibility studies; conceptual engineering; construction and operating cost estimating; negotiation of energy sales and energy purchase contracts; financial studies and modeling; facility siting; air and wastewater permitting; power line and pipeline routing and right-of-way work; detailed design; construction management; operations training; operation/maintenance manuals; start-up; performance testing; and ongoing operation.

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    • Mr. Pierce has 40 years of experience in energy and environmental facilities project development, engineering, construction management and operation/maintenance. He has been responsible for a wide range of activities and services on energy and environmental projects, including: feasibility studies; conceptual engineering; construction and operating cost estimating; negotiation of energy sales and energy purchase contracts; financial studies and modeling; facility siting; air and wastewater permitting; power line and pipeline routing and right-of-way work; detailed design; construction management; operations training; operation/maintenance manuals; start-up; performance testing; and ongoing operation.

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Mr. Pierce is a Senior Project Manager with over 20 years of experience in operations, maintenance, and monitoring (OM&M).

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Mr. Popken is a Project Manager specializing in groundwater and environmental services, including phase I and II Environmental Site Assessments, Remedial Action Plans and construction work plans, Periodic Review Reports, hazardous waste management, routine site monitoring reports, and spill & site closure requests. He is experienced with active and former retail petroleum sites, petroleum distribution terminals, landfills, inactive hazardous waste disposal sites, dry cleaners, industrial facilities, state superfund sites, and stream bank restoration projects. He also has experience with a wide range of contaminants including petroleum LNAPL, chlorinated solvents, pesticides, herbicides, PCBs, and metals. Mr. Popken is a licensed Professional Geologist in New York.

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    • Mr. Popken is a Project Manager specializing in groundwater and environmental services, including phase I and II Environmental Site Assessments, Remedial Action Plans and construction work plans, Periodic Review Reports, hazardous waste management, routine site monitoring reports, and spill & site closure requests. He is experienced with active and former retail petroleum sites, petroleum distribution terminals, landfills, inactive hazardous waste disposal sites, dry cleaners, industrial facilities, state superfund sites, and stream bank restoration projects. He also has experience with a wide range of contaminants including petroleum LNAPL, chlorinated solvents, pesticides, herbicides, PCBs, and metals. Mr. Popken is a licensed Professional Geologist in New York.
      Mr. Popken also has experience overseeing and executing environmental field activities including soil boring/monitoring well installation in both soil and bedrock, UST & soil remedial excavation oversight, installation of remediation system components, soil vapor intrusion sampling & mitigation, and community air monitoring.
      His prior experience includes stewardship of company and client required health & safety standards, including the Loss Prevention System (LPS) – an industry leading behavior-based health and safety management system widely used by major petrochemical corporations; as well as performing environmental tasks related to petroleum spill sites, including soil and groundwater analytical sampling and depth measurements, assisting in the installation of groundwater and soil remediation systems, and contamination site investigations.

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Ms. Powers is a civil and environmental engineer with more than 16 years of consulting experience. She has consulted on diverse site development and environmental compliance projects and has helped clients work cooperatively with regulatory agencies and their constituents to successfully complete projects.

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    • Ms. Powers is a civil and environmental engineer with more than 16 years of consulting experience. She has consulted on diverse site development and environmental compliance projects and has helped clients work cooperatively with regulatory agencies and their constituents to successfully complete projects. Betsy’s expertise includes erosion control and storm water management; solid waste facility design, permitting and construction; and drainage district compliance. She has performed construction oversight and office administration support services for several construction projects including landfills and site developments. Betsy is a strong communicator and her positive attitude makes her a good addition to any team.

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Mr. Prattke has more than 29 years of experience with environmental issues at a variety of solid waste, industrial, and voluntary action sites. His experience includes the application of proven management skills and technical training to address diverse engineering and environmental issues related to facility management, regulatory implementation, risk management, permitting, and compliance.

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    • Mr. Prattke has more than 29 years of experience with environmental issues at a variety of solid waste, industrial, and voluntary action sites. His experience includes the application of proven management skills and technical training to address diverse engineering and environmental issues related to facility management, regulatory implementation, risk management, permitting, and compliance. Mike has been responsible for establishing and/or managing environmental programs for several major industrial parties to provide strategic development (technical, legal, financial); budgeting and cost forecasting (annual and long-term); scientific, technical, and regulatory issue resolution; community relations; cost recovery and insurance litigation; and agency and PRP negotiations in support of his management of clients.

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Lee Pyle
Vice President/Business Unit Director/National Expert on Risk Management Plans and Process Safety Management
Carlsbad, CA
National Expert: Risk Management Plans; Process Safety Management
O. (760) 744-9611

Ms. Pyle is a Vice President of SCS Engineers, the Business Unit Director of our SCS Tracer Division, and our National Expert on Risk Management Plans and Process Safety Management. Ms. Pyle serves as lead engineer on many projects and has been involved in the preparation of over 100 Risk Management and Safety Management Programs. She is a key element in the development of the Risk and Safety program at SCS Tracer Environmental, including document preparation for specific Administrating Agencies throughout the state of California and ensuring that all our risk programs are acceptable to these agencies.

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    • Ms. Pyle is a Vice President of SCS Engineers, the Business Unit Director of our Tracer Environmental Division, and our National Expert on Risk Management Plans and Process Safety Management. Ms. Pyle serves as lead engineer on many projects and has been involved in the preparation of over 100 Risk Management and Safety Management Programs. She is a key element in the development of the Risk and Safety program at SCS Tracer Environmental, including document preparation for specific Administrating Agencies throughout the state of California and ensuring that all our risk programs are acceptable to these agencies.
      Ms. Pyle specializes in risk programs for chemical processes – in particular, ammonia refrigeration facilities and water/wastewater treatment facilities. Ms. Pyle has developed EPA Risk Management Program submittal documentation (Risk Management Plans) for dozens of facilities, including developing Executive Summaries detailing each facility’s safety features, management structure, and potential risks associated with the process for EPA review and approval.
      Ms. Pyle has worked with industry groups to develop standardized Process Safety Management Programs (PSM) for industry members to ensure compliance with OSHA’s 1910.119 regulation (Cal-OSHA Title 8, §5189). She has also been involved in auditing facility PSM programs. Ms. Pyle’s experience includes all aspects of preparing documentation for PSM and California’s Accidental Release Prevention Program (CalARP) programs. This includes participating in Hazard and Operability Studies as the team leader, quality control, preparing qualitative risk assessments, and conducting off-site consequence analyses. Her vast experience in developing programs for numerous facilities has generated new approaches and innovative methods for managing and implementing individual PSM programs.
      Additional experience includes preparing Operations Manuals for facilities transferring bulk oil; supporting SCS Tracer’s RECLAIM and Clean Air Act Amendment – Title V permitting programs by developing potential-to-emit and actual emission profiles as well as outlining detailed process flow diagrams for industrial facilities; developing emissions inventories for natural gas storage facilities and refineries; and conducting detailed air quality inspections of industrial facilities in support of developing federal operating permits.
      Contact Lee at 760-744-9611 or

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