Our Professionals

SCS Leadership

SCS professionals are active in, and leaders of industry and professional associations. We organize and participate in workshops and conferences, author and present technical papers, conduct research, and participate in national and state-level legislative and rule-making processes and regulatory policy. Our engineers, environmental consultants, and scientists work in close coordination on environmental solutions.

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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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Lee Pyle
Vice President/Business Unit Director/National Expert on Risk Management Plans and 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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