Betsy Powers, PE, is a Vice President with SCS Engineers. She is civil and environmental engineer with two decades 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 Powers, PE, is a Vice President with SCS Engineers. She is a civil and environmental engineer with two decades of consulting experience and 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.
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.
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.
Emily Prosser, PE, is experienced in civil and environmental design and permitting. She has experience with civil and marine structure projects, analyzing impacts of sea level rise and storm surges to existing marine and upland infrastructure, and preparing engineering drawings and design specifications for potable water distribution, sanitary sewers, and WWTP improvements. Ms. Prosser is a licensed Professional Engineer in Florida.
Emily Prosser, PE, is experienced in civil and environmental design and permitting. She has experience with civil and marine structure projects, analyzing impacts of sea level rise and storm surges to existing marine and upland infrastructure, and preparing engineering drawings and design specifications for potable water distribution, sanitary sewers, and WWTP improvements. Ms. Prosser is a licensed Professional Engineer in Florida.
She is experienced with project and database management and computer design (AutoCAD).
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.
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
Mr. Quesada is a Senior Project Professional with over 15 years of combined experience on a wide variety projects such as, civil and environmental engineering, solid waste/landfill gas management, facility due diligence, contamination assessment & remediation, construction and environmental permitting, and construction oversight. He is a certified Geographic Information Systems (GIS) professional and a Qualified Stormwater Management Inspector. Mr. Quesada is proficient in ArcGIS, ArcCollector, ArcGIS Online, Terrasync, AutoCAD, MS Project, and the use of GPS mobile devices.
Mr. Quesada is a Senior Project Professional with over 15 years of combined experience on a wide variety projects such as, civil and environmental engineering, solid waste/landfill gas management, facility due diligence, contamination assessment & remediation, construction and environmental permitting, and construction oversight. He is a certified Geographic Information Systems (GIS) professional and a Qualified Stormwater Management Inspector. Mr. Quesada is proficient in ArcGIS, ArcCollector, ArcGIS Online, Terrasync, AutoCAD, MS Project, and the use of GPS mobile devices.
As an environmental consultant, he has worked on several public transit and transportation studies throughout South Florida. He has a strong background in Geographic Information Systems (GIS), GIS modeling, research and data collection, analysis to assist clients in complying with the NEPA process, and preparing the associated documentation required for State and Federal funded projects.
Vita Quinn is our National Expert on Solid Waste Finance and Rate Studies. She has over two decades of experience as a financial analyst and management consultant. She has extensive experience working for local government and has developed financial sustainability solutions for various general governments, special revenue funds, and utility enterprise funds. Ms. Quinn has an MBA in Finance, and a Bachelor’s Degree in International Economics.
Vita Quinn is our National Expert on Solid Waste Finance and Rate Studies. She has over two decades of experience as a financial analyst and management consultant. She has extensive experience working for local government and has developed financial sustainability solutions for various general governments, special revenue funds, and utility enterprise funds. Ms. Quinn has an MBA in Finance, and a Bachelor’s Degree in International Economics.
Ms. Quinn’s utility experience includes cost apportionment and rate design for solid waste, recycling, stormwater, water, and sewer. She is also skilled in non-ad valorem assessment development and other taxing/fee programs. Other areas of expertise include fiscal impact analysis and bond feasibility analysis. With her superior financial, business, and analytical skills, she provides clients with exemplary consulting, project facilitation, and financial analysis based upon application of sound financial and economic concepts. Her capability with financial modeling, data analysis, and public engagement is enhanced by her strong skills in Microsoft Excel/VBA and PowerPoint and research methodology and techniques.
Contact Vita at 904-431-6902 or
Mr. Quinn has nearly two decades of experience in environmental consulting, specializing in air quality, environmental assessments, and greenhouse gas (GHG) consulting, reporting, and verification. He has participated in hundreds of GHG verification projects throughout the United States, specializes in air permitting and reporting in California and the Southwest, and has completed GHG verification training in California, Oregon, and Washington.
Mr. Quinn has nearly two decades of experience in environmental consulting, specializing in air quality, environmental assessments, and greenhouse gas (GHG) consulting, reporting, and verification. He has participated in hundreds of GHG verification projects throughout the United States, specializes in air permitting and reporting in California and the Southwest, and has completed GHG verification training in California, Oregon, and Washington.
Mr. Quinn has completed criteria pollutant, air toxic, and GHG emissions estimates and inventories, and has prepared numerous permit-to-construct/operate permit applications. He prepares compliance reports, which includes reviewing and maintaining records and regulatory deadlines. He has also completed evaluations and reporting for federal GHG rule and various state GHG rules.
Mr. Radford is a licensed Professional Engineer with over 10 years of experience in various civil/environmental, landfill/solid waste design, stormwater, and field inspection projects. As a Senior Project Professional at SCS, Mr. Radford has managed design and construction on various methane gas management systems, drainage improvements, landfill closures, and financial assurance analyses. He has a Master’s Degree in Environmental Engineering from the University of Central Florida, and is a licensed Professional Engineer in Florida and Pennsylvania.
Mr. Radford is a licensed Professional Engineer with over 10 years of experience in various civil/environmental, landfill/solid waste design, stormwater, and field inspection projects. As a Senior Project Professional at SCS, Mr. Radford has managed design and construction on various methane gas management systems, drainage improvements, landfill closures, and financial assurance analyses. He has a Master’s Degree in Environmental Engineering from the University of Central Florida, and is a licensed Professional Engineer in Florida and Pennsylvania.
Dr. Naima Rahman, EIT, is experienced in waste management engineering and consulting. Her project experience ranges from regulatory permitting and design of landfills, landfill gas (LFG) collection and control systems, leachate collection and control systems, and landfill liner and final cover systems in Texas, Alabama, Oklahoma, New Mexico, Colorado and Louisiana.
Dr. Naima Rahman, EIT, is experienced in waste management engineering and consulting. Her project experience ranges from regulatory permitting and design of landfills, landfill gas (LFG) collection and control systems, leachate collection and control systems, and landfill liner and final cover systems in Texas, Alabama, Oklahoma, New Mexico, Colorado and Louisiana.
Before joining SCS Engineers, Dr. Rahman worked for the University of Texas at Arlington as a Graduate Research and Teaching Assistant during her Ph.D. study with a focus on municipal solid waste landfills. In this role, she had direct research experience with City of Denton, City of Irving, and City of Corpus Christi Landfills in Texas.
Chuck Rainey, PE, has experience with air compliance and permitting, source testing, landfill gas, and other air quality issues.
Mr. Ralston is a Project Manager with our Operations, Maintenance and Monitoring (OM&M) Division. He has nearly 25 years of experience in Landfill Gas OM&M, including routine testing, monitoring, maintenance, and repair of LFG collection headers, extraction wells, and installation and startup of blower/flare systems. He currently works on active landfills in the Carolinas.
Mr. Ralston is a Project Manager with our Operations, Maintenance and Monitoring (OM&M) Division. He has nearly 25 years of experience in Landfill Gas OM&M, including routine testing, monitoring, maintenance, and repair of LFG collection headers, extraction wells, and installation and startup of blower/flare systems. He currently works on active landfills in the Carolinas.
Mr. Ralston’s LFG experience includes routine operation, maintenance, extraction well monitoring, collection header line trenching and placement (both PVC and HDPE); and installation and startup of blowers, flares, pumps, and compressors. These experiences include construction of expanded systems and repair and renovation of existing systems.
As a Project Manager, Mr. Ralston provides support in regulatory compliance and is involved in the Health and Safety awareness and implementation program.
Cristobal Ramirez, CAC, is an environmental professional with over 20 years of experience in the United States, Canada, and Mexico. As a bilingual speaker in Spanish and English, he provides environmental services for clients in the United States and Mexico. His experience includes completing over 2,000 environmental assessments and implementing remediation activities for contaminated properties. He is an expert in performing Environmental Site Assessments (ESAs) according to U.S. EPA 40 CFR, Part 312, Standards and Practices for All Appropriate Inquiry (AAI); and Final Rule and American Society for Testing and Materials (ASTM) Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process E 1527-13. In addition to ESA services, he conducts subsurface investigations, health and safety plans, community health and safety plans, geophysical surveys, soil vapor surveys, health risk assessments, remediation conceptual cost estimates, property mitigation plans, and soil reuse plans. He is a California Certified Asbestos Consultant (CAC) and a California DPH Lead Sampling Technician.
Cristobal Ramirez, CAC, is an environmental professional with over 20 years of experience in the United States, Canada, and Mexico. As a bilingual speaker in Spanish and English, he provides environmental services for clients in the United States and Mexico. His experience includes completing over 2,000 environmental assessments and implementing remediation activities for contaminated properties. He is an expert in performing Environmental Site Assessments (ESAs) according to U.S. EPA 40 CFR, Part 312, Standards and Practices for All Appropriate Inquiry (AAI); and Final Rule and American Society for Testing and Materials (ASTM) Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process E 1527-13. In addition to ESA services, he conducts subsurface investigations, health and safety plans, community health and safety plans, geophysical surveys, soil vapor surveys, health risk assessments, remediation conceptual cost estimates, property mitigation plans, and soil reuse plans. He is a California Certified Asbestos Consultant (CAC) and a California DPH Lead Sampling Technician.
As a California Certified Asbestos Consultant (CAC), Mr. Ramirez routinely conducts asbestos surveys, prepares specifications and cost estimates for abatement, assists with abatement contractor selection, oversees abatement activities, and provides clearance sampling and analysis. He applies his knowledge of AHERA and other regulations to efficiently assess and remediate hazardous materials.
As a California DPH Lead Sampling Technician, Mr. Ramirez routinely conducts lead sampling under the supervision of a California DPH Lead Inspector/Risk Assessor.
Tony Ramirez is a Project Manager for our Operation, Monitoring, and Maintenance division.
Justin Rauzon, REPA is our National Expert on Environmental Due Diligence and is experienced in all aspects of environmental services. Fluent in Spanish, Mr. Rauzon has a diverse background in biological and environmental sciences, and regularly performs environmental assessments and compliance audits at sites in the US and in Latin America. He has technical and management experience with soil, soil vapor, and groundwater investigations at industrial, commercial, landfill, greenfield, and residential properties. He has extensive experience with environmental laws and regulations in both the U.S. and Mexico. His work experience includes all project phases, from development of cost estimates for various site assessment and cleanup programs to implementing remediation programs and interfacing with regulatory agencies.
Justin Rauzon, REPA is our National Expert on Environmental Due Diligence and is experienced in all aspects of environmental services. Fluent in Spanish, Mr. Rauzon has a diverse background in biological and environmental sciences, and regularly performs environmental assessments and compliance audits at sites in the US and in Latin America. He has technical and management experience with soil, soil vapor, and groundwater investigations at industrial, commercial, landfill, greenfield, and residential properties. He has extensive experience with environmental laws and regulations in both the U.S. and Mexico.
His work experience includes all project phases, from development of cost estimates for various site assessment and cleanup programs to implementing remediation programs and interfacing with regulatory agencies.
Contact Justin at 562-426-9544 or .
Mr. Reddy is a Project Manager for our operations, monitoring, and maintenance division.
Mr. Reed is the Director of our Texas region, a Vice President of SCS Engineers, and one of our National Experts on Landfill Design/Construction Quality Assurance (CQA). He has over three decades of experience working predominantly on solid waste landfill projects. Project experience includes storm water management, erosion control, hydrogeologic/hydraulic analysis, landfill and transfer station design, landfill and transfer station permitting, geosynthetic lining and cover systems, landfill leachate control, slope stability analysis, and construction quality assurance (CQA). He is a licensed Professional Engineer in Texas and nine other states.
Mr. Reed is the Director of our Texas region, a Vice President of SCS Engineers, and one of our National Experts on Landfill Design/CQA. He has over three decades of experience, working predominantly on solid waste landfill projects. He is a licensed Professional Engineer in Texas, Alabama, Florida, Louisiana, Minnesota, Mississippi, North Carolina, New Mexico, Oklahoma, and South Carolina.
His project experience includes storm water management, liquids management, erosion control, hydrogeologic/hydraulic analysis, landfill and transfer station design, landfill and transfer station permitting, geosynthetic lining and cover systems, landfill leachate control, slope stability analysis, and construction quality assurance. He has provided design and consulting services for projects at over 100 landfill facilities in 26 states across the U.S. and in Canada.
He is a member of the American Society of Civil Engineers and the Solid Waste Association of North America.
Contact Jeff at 281-293-8494 or
Robert Regan is a Senior Project Professional in our Madison, WI, office.
Mr. Reio is a Senior Project Professional in our Miami office. He is a Geologist in Training with experience in site assessments, field sampling, and remediation of contaminated sites, including Phase I and Phase II ESAs pertaining to petroleum and industrial waste contamination. As a hydrogeologist for DERM, he reviewed technical reports as well as soil and groundwater assessments for proposed developments. He has a Bachelors degree in geoscience, and a Masters in hydrogeology.
Mr. Reio is a Senior Project Professional in our Miami office. He is a Geologist in Training with experience in site assessments, field sampling, and remediation of contaminated sites, including Phase I and Phase II ESAs pertaining to petroleum and industrial waste contamination. As a hydrogeologist for DERM, he reviewed technical reports as well as soil and groundwater assessments for proposed developments. He has a Bachelors degree in geoscience, and a Masters in hydrogeology.
Mr. Reio typically works on large- scale commercial redevelopment projects, but also has experience working on former agricultural sites, as well as smaller-scale commercial redevelopment projects. Mr. Reio has a thorough understanding of local and state regulations due to his time spent as a local regulator. Mr. Reio works collaboratively with clients to address regulatory requirements and ultimately obtain their desired regulatory closure.
Ms. Rennebohm’s expertise includes environmental due diligence, site scoping, and remedial investigation for property redevelopment and case closure, groundwater monitoring and data management at solid waste facilities, drilling and construction oversight, emergency spill response, geotechnical and construction materials testing, and wireline drilling. Ms. Rennebohm has experience working with private entities and state, county, and city agencies throughout Wisconsin, Iowa, and Illinois, including the Wisconsin Department of Natural Resources, Dane and Jefferson Counties, and the City of Madison.
Ms. Rennebohm’s expertise includes environmental due diligence, site scoping, and remedial investigation for property redevelopment and case closure, groundwater monitoring and data management at solid waste facilities, drilling and construction oversight, emergency spill response, geotechnical and construction materials testing, and wireline drilling. Ms. Rennebohm has experience working with private entities and state, county, and city agencies throughout Wisconsin, Iowa, and Illinois, including the Wisconsin Department of Natural Resources, Dane and Jefferson Counties, and the City of Madison.
Mr. Reyes-Lopez is a Project Professional in our southwest region.
Mr. Reynolds is a Senior Project Professional in our Little Rock, Arkansas, office. His recent experience includes serving as a Technical Branch Manager for the Arkansas Department of Environmental Quality where he led a team of engineers, toxicologists, and site assessors to review and guide site assessments and remediation projects throughout the state. He is experienced in Phase I and Phase II Environmental Site Assessments, as well as Spill Prevention, Control, and Countermeasures (SPCC) Plans, and Storm Water Pollution Prevention Plans (SWPPPs). He is a Professional Engineer licensed in Arkansas, Oklahoma, and Tennessee.
Mr. Reynolds is a Senior Project Professional in our Little Rock, Arkansas, office. His recent experience includes serving as a Technical Branch Manager for the Arkansas Department of Environmental Quality where he led a team of engineers, toxicologists, and site assessors to review and guide site assessments and remediation projects throughout the state. He is experienced in Phase I and Phase II Environmental Site Assessments, as well as Spill Prevention, Control, and Countermeasures (SPCC) Plans, and Storm Water Pollution Prevention Plans (SWPPPs). He is a Professional Engineer licensed in Arkansas, Oklahoma, and Tennessee.
Mr. Reynolds also has experience in oil and gas, directional drilling, hazardous waste regulatory compliance, and facility permitting. He specializes in environmental management, mechanical design, oil & gas, and manufacturing industries.
Mr. Rice has worked on many remote monitoring and SCADA system designs with comprehensive PLC and HMI capabilities. His expertise is in the installation and repair of LFG control systems, implementing upgrades to computer and communication systems vital to compliance management, and troubleshooting landfill system components, coordinating field technical personnel, working with vendors and landfill operations personnel, and overseeing LFG extraction and treatment centers. He has a Bachelor’s degree in electrical and computer engineering.
Mr. Rice has worked on many remote monitoring and SCADA system designs with comprehensive PLC and HMI capabilities. His expertise is in the installation and repair of LFG control systems, implementing upgrades to computer and communication systems vital to compliance management, and troubleshooting landfill system components, coordinating field technical personnel, working with vendors and landfill operations personnel, and overseeing LFG extraction and treatment centers. He has a Bachelor’s degree in electrical and computer engineering.
Mr. Rich-Vetsch has diverse experience maximizing the recovery and beneficial use of discarded materials. Reframing “waste” as a resource is a core passion of Nick’s career and daily life. He conducts a variety of complex waste composition studies, provides waste diversion recommendations and standard operating procedures for waste processing facilities. He has also contributed to solid waste master planning and waste management trend analysis reports. Nick is a member of the board of directors of the Minnesota Composting Council (MNCC) and Minnesota Biochar Initiative (MNBI) where he contributes expertise in all forms of organic waste diversion including composting, biochar production, anaerobic digestion, and other waste management methods.
Mr. Rich-Vetsch has diverse experience maximizing the recovery and beneficial use of discarded materials. Reframing “waste” as a resource is a core passion of Nick’s career and daily life. He conducts a variety of complex waste composition studies, provides waste diversion recommendations and standard operating procedures for waste processing facilities. He has also contributed to solid waste master planning and waste management trend analysis reports. Nick is a member of the board of directors of the Minnesota Composting Council (MNCC) and Minnesota Biochar Initiative (MNBI) where he contributes expertise in all forms of organic waste diversion including composting, biochar production, anaerobic digestion, and other waste management methods.
Nick has conducted a number waste composition, processing recommendations, and operational planning projects for the Ramsey/Washington Recycling & Energy Center in Newport, Minnesota, including planning work for their source-separated organics co-collected with the municipal solid waste (MSW) system.
Mr. Richards has been involved in the environmental and solid waste engineering field since 1986. His experience includes project management, civil design, construction supervision, and construction quality assurance.
Mr. Richards has been involved in the environmental and solid waste engineering field since 1986. His experience includes project management, civil design, construction supervision, and construction quality assurance. His background includes the siting and design of landfill facilities, landfill closure design, leachate containment system design, liquids management, and engineering design of passive and active landfill gas control systems. He is also proficient with subsurface investigations for hazardous, industrial, and municipal solid waste containment, and remedial actions for contaminated soil and drummed waste. He has performed RCRA facility investigations, and prepared RCRA facility closure plans and remedial action work plans. He is an ASCE, NSPE, and SWANA member. Mr. Richards leads the solid waste engineering practice in the Northwest. From 1986 through 2007, his previous employment included Parametrix, Fletcher Group, IT Corporation, and Shaw Environmental. He is a licensed engineer in 10 states: AK, AL, CA, ID, MT, OK, OR, SC, UT, WA and NCEES, US
American Society of Civil Engineers
National Society of Professional Engineers
Solid Waste Association of North America (SWANA)
Mr. Richardson is a Project Professional with experience in landfill design, including permit modifications and siting requirements. Mr. Richardson is an EIT, and is part of the Young Professionals program at SCS, working under the tutelage of Dr. Ali Khatami.
