Staff Search Results for "R"

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.

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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.

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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.

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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.

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Tony Ramirez is a Project Manager for our Operation, Monitoring, and Maintenance division.

Justin Rauzon
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Justin Rauzon
Senior Project Manager/National Expert on Environmental Due Diligence
Long Beach, CA
National Expert: Environmental Due Diligence
O. (562) 426-9544

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 .

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Jeffrey Reed
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Jeffrey Reed
Vice President/Business Unit Director/National Expert on Landfill Design & CQA
Houston, TX
National Expert: Landfill Design and Construction Quality Assurance
O. (281) 293-8494

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

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Robert Regan is a Senior Project Professional in our Madison, WI, office.

    • 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.

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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.

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Mr. Reyes-Lopez is experienced in landfill gas (LFG) control and recovery and field work at landfills. His LFG experience includes LFG blower-flare station (BFS) design, design and installation of LFG collection systems, landfill dewatering systems, construction quality assurance (CQA), and preparation of as-built documentation and compilation of field notes, GCCS operations, GCCS maintenance, flare operations, flare maintenance, non-routine repair, and emergency call-out response. He has performed operation, maintenance, and monitoring (OM&M) of LFG systems at landfills in San Diego County and other sites in Southern California.

    • Mr. Reyes-Lopez is experienced in landfill gas (LFG) control and recovery and field work at landfills. His LFG experience includes LFG blower-flare station (BFS) design, design and installation of LFG collection systems, landfill dewatering systems, construction quality assurance (CQA), and preparation of as-built documentation and compilation of field notes, GCCS operations, GCCS maintenance, flare operations, flare maintenance, non-routine repair, and emergency call-out response. He has performed operation, maintenance, and monitoring (OM&M) of LFG systems at landfills in San Diego County and other sites in Southern California.

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.

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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)

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Mr. Richardson is experienced in landfill design, including permit modifications and siting requirements. His solid waste experience includes Subtitle D landfill permitting, new cell design, closure design, construction oversight and certification, and groundwater and air monitoring and reporting. His civil design experience includes site design/layout for landfill closures, waste transfer stations and residents’ waste drop-off facilities.

    • Mr. Richardson is experienced in landfill design, including permit modifications and siting requirements. His solid waste experience includes Subtitle D landfill permitting, new cell design, closure design, construction oversight and certification, and groundwater and air monitoring and reporting. His civil design experience includes site design/layout for landfill closures, waste transfer stations and residents’ waste drop-off facilities.

Ms. Ricklin is experienced in design, permitting and construction projects related to landfills, solid waste management, drainage design, site grading, water distribution, and wastewater collection. She is a licensed Professional Engineer in California and Florida.

    • Ms. Ricklin is experienced in design, permitting and construction projects related to landfills, solid waste management, drainage design, site grading, water distribution, and wastewater collection. She is a licensed Professional Engineer in California and Florida.
      She has extensive experience preparing engineering calculations, design reports, construction documents, specifications, and cost estimates, and is trained and skilled in drafting Civil 3D models and design plans.
      Her project management skills include developing proposals, budgets, monthly revenue estimates, and billing instructions for multiple projects. Experience in preparing project schedules and oversight of subcontractors.

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Carrie Ridley, PG,has over 20 years of regulatory experience in environmental and engineering geology. A former regulator, she oversaw the Kansas Class I, III and V underground injection control program (UIC), underground hydrocarbon storage program, and the water well program. She is also experience as a RCRA project manager and permit writer. Ms. Ridley is a Professional Geologist licensed in Kansas.

    • Carrie Ridley, PG,has over 20 years of regulatory experience in environmental and engineering geology. A former regulator, she oversaw the Kansas Class I, III and V underground injection control program (UIC), underground hydrocarbon storage program, and the water well program. She is also experience as a RCRA project manager and permit writer. Ms. Ridley is a Professional Geologist licensed in Kansas.
      Early in her career Ms. Ridley worked on geotechnical drilling programs and transportation-related construction QA/QC. More recently she was Primary Investigator and Project Manager of a Department of Energy CCUS project and worked on projects related to Carbon Sequestration, Critical Minerals and Hydrogen Storage.

Ms. Ripplinger is SCS’s Director of Health & Safety and our National H&S Expert. She is a Board Certified Industrial Hygienist (CIH) and Safety Professional (CSP) with over three decades of experience providing occupational and environmental health and safety services, specializing in indoor air quality, asbestos, lead, mold, radon, and environmental site assessments. She is also a licensed asbestos building inspector, asbestos project monitor, project designer and management planner, and an EPA certified lead based paint inspector/risk assessor. Her experience includes providing industrial hygiene expertise for facility health and safety audits, process safety management audits, training, environmental evaluations involving mold, indoor air quality, asbestos, lead-based paint, lead worker exposure, OSHA worker exposure, ionizing and non-ionizing radiation surveys and exposure issues, and hazardous waste drum sampling for unknowns.

    • Ms. Ripplinger is SCS’s Director of Health & Safety and our National H&S Expert. She is a Board Certified Industrial Hygienist (CIH) and Safety Professional (CSP) with three decades of experience providing occupational and environmental health and safety services, specializing in indoor air quality, asbestos, lead, mold, radon, and environmental site assessments. She is also a licensed asbestos building inspector, asbestos project monitor, project designer and management planner, and an EPA certified lead based paint inspector/risk assessor.
      Her experience includes providing industrial hygiene expertise for facility health and safety audits, process safety management audits, training, environmental evaluations involving mold, indoor air quality, asbestos, lead-based paint, lead worker exposure, OSHA worker exposure, ionizing and non-ionizing radiation surveys and exposure issues, and hazardous waste drum sampling for unknowns.
      Her industrial hygiene and environmental consulting experience includes designing and overseeing remediation projects involving mold, asbestos, hazardous waste (metals and solvents), hazardous materials, polychlorinated biphenyls (PCBs), mercury, and other Resource Conservation and Recovery Act (RCRA) heavy metals; conducting both area and personal industrial hygiene sampling for metals, solvents, vapors, diesel exhaust constituents, mold, asbestos, and lead; conducting environmental sampling of soil, air, and water; and providing expert witness testimony.
      Ms. Ripplinger has worked with regulators at local, state, and federal levels, and has performed hundreds of comprehensive industrial hygiene shop surveys, indoor air quality assessments, ionizing radiation, non-ionizing radiation, noise exposure studies, chemical exposure assessments, and workers’ compensation and environmental investigations. She has supported many government agencies, large commercial companies (mining, construction, gaming), and residential development companies across the state of Nevada, and other states.
      You can reach Sandy at 702-481-6978 or

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Jim Ritchie, PG, QSC, is a Vice President of SCS, with nearly four decades of environmental consulting and site investigation and restoration experience throughout the Western United States. He is registered Professional Geologist in California and Washington. He leads site investigation, remediation, and large-scale groundwater monitoring and reporting projects, and oversees the application of remedial approaches to a variety of site conditions, including supporting site closures. His experience includes performing Phase I Environmental Site Assessments (ESAs) and Phase II investigations; landfill and refinery investigations; comprehensive geologic and hydrogeologic studies, groundwater monitoring networks and programs; Conceptual Site Models (CSMs); risk assessment and vapor intrusion modeling; removal and disposal of non-hazardous and hazardous materials; evaluation, development, and implementation of on- and off-site remedial approaches for chemically affected soil vapor/indoor air, soil, and groundwater; water supply well and system siting and compliance; and Storm Water Pollution Prevention Plan (SWPPP) preparation and implementation. He leads SCS’s Environmental Services Group for Northern California.

    • Jim Ritchie, PG, QSC, is a Vice President of SCS, with nearly four decades of environmental consulting and site investigation and restoration experience throughout the Western United States. He is registered Professional Geologist in California and Washington. He leads site investigation, remediation, and large-scale groundwater monitoring and reporting projects, and oversees the application of remedial approaches to a variety of site conditions, including supporting site closures. His experience includes performing Phase I Environmental Site Assessments (ESAs) and Phase II investigations; landfill and refinery investigations; comprehensive geologic and hydrogeologic studies, groundwater monitoring networks and programs; Conceptual Site Models (CSMs); risk assessment and vapor intrusion modeling; removal and disposal of non-hazardous and hazardous materials; evaluation, development, and implementation of on- and off-site remedial approaches for chemically affected soil vapor/indoor air, soil, and groundwater; water supply well and system siting and compliance; and Storm Water Pollution Prevention Plan (SWPPP) preparation and implementation.
      Mr. Ritchie has led numerous Brownfields site assessment and redevelopment projects, including Environmental Protection Agency (EPA) Brownfields Grant work, under Voluntary Cleanup Agreements (VCAs) with the Department of Toxic Substances Control (DTSC) and the Regional Water Quality Control Board (RWQCB), as well as under California Land Reuse and Revitalization Act (CLRRA). The Brownfields redevelopment projects have resulted successful revitalization of numerous chemically-impaired properties into commercial, mixed-use and residential developments.
      His technical experience covers a wide spectrum of environmental programs and projects, including property transaction and development, subsurface investigation, restoration and preservation, mediation and litigation, emergency response management, regulatory agency negotiation, and site closure. He has assisted clients in assessing the reliability and vulnerability (sustainability) of their water supplies and associated watersheds, and in developing recommendations for projects to protect the watershed habitat. He also has extensive experience with fixed price costing, contractual indemnifications, and environmental insurance products resulting in guaranteed price risk transfer solutions for impaired property cleanup and redevelopment.
      Mr. Richie leads the SCS Environmental Services Group for Northern California. He has established and grown offices for environmental consulting firms, and has performed business development, project acquisition, project funding, client management, staff hiring and mentoring, and technical, managerial, and profit and loss (P&L) duties in support of clients in the public and private sectors.

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Ms. Robb is a Vice President and Project Director with the Solid Waste Services Division in SCS’s Reston, VA and Taunton, MA, office. She also serves as SCS’s Groundwater Technical Advisor for the Mid-Atlantic region. Since joining SCS in 2001, her work has focused on providing support to over 50 landfills in the area of groundwater permitting, monitoring, and remediation services and other environmental service projects. She has represented clients in front of regulators and has provided litigation support to attorneys on behalf of her clients.

Ms. Robertson has nearly 20 years experience as an environmental consultant. She conducts a wide range of projects, including environmental due diligence (Phase I, II and III ESAs), Indoor Air Quality and radon assessments, lead based paint and asbestos inspections, solid waste management programs, Brownfield/Voluntary Cleanup Program (BVCP) work under the Missouri Department of Natural Resources (MDNR), Illinois EPA Tiered Approach to Corrective Action (TACO), and Missouri Risk-Based Corrective Action (MRBCA) risk-assessments, and historic preservation projects under the Missouri Department of Economic Development.

    • Ms. Robertson has nearly 20 years experience as an environmental consultant. She conducts a wide range of projects, including environmental due diligence (Phase I, II and III ESAs), Indoor Air Quality and radon assessments, lead based paint and asbestos inspections, solid waste management programs, Brownfield/Voluntary Cleanup Program (BVCP) work under the Missouri Department of Natural Resources (MDNR), Illinois EPA Tiered Approach to Corrective Action (TACO), and Missouri Risk-Based Corrective Action (MRBCA) risk-assessments, and historic preservation projects under the Missouri Department of Economic Development.
      She conducts remedial action/investigation/feasibility projects, due diligence and site investigations, environmental studies, and brownfields redevelopment. She provides oversight of vapor studies, solid waste management programs, landfill gas and leachate monitoring, mold, asbestos and lead based paint surveys.

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Mr. Rockhold has over 30 years of hydrogeology and environmental services experience. He provides project management, which includes supervising a diverse team of environmental professionals made up of geologists, hydrogeologists, engineers, chemists and biologists. Duties include marketing, client contact, work scope development, proposal preparation, cost estimation, regulatory negotiations, work assignments, technical support and review as well as project management and review.

    • Mr. Rockhold has over 30 years of hydrogeology and environmental services experience. He provides project management, which includes supervising a diverse team of environmental professionals made up of geologists, hydrogeologists, engineers, chemists and biologists. Duties include marketing, client contact, work scope development, proposal preparation, cost estimation, regulatory negotiations, work assignments, technical support and review as well as project management and review.
      Mr. Rockhold’s technical responsibilities are primarily with geologic and hydrogeologic investigations, groundwater monitoring, remedial investigations, remedial design, solid waste services,. Duties include data acquisition and analysis; hydrogeologic modeling; soil and groundwater monitoring and site characterization; remedial design; and, landfill design and permitting,. Representative projects include utility waste impoundments and landfill; Subtitle D landfill design and permitting, environmental site assessments and audits, hydrogeologic and geotechnical site investigations, remedial design and implementation, discharge permitting and complex hydrogeological evaluations.

      Mr. Rockhold’s technical responsibilities are primarily with solid waste services, geologic and hydrogeologic investigations, remedial investigations, and remedial design. Duties include data acquisition and analysis; landfill design and permitting, hydrogeologic modeling; soil and groundwater characterization; and remedial design. Representative projects include Subtitle D landfill design and permitting, environmental site assessments and audits, hydrogeologic and geotechnical site investigations, remedial design and implementation, discharge permitting and complex hydrogeological evaluations.

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Ms. Rodriguez is a licensed Florida Professional Engineer with experience in environmental consulting including managing numerous small to large scale projects at all stages from initial site assessment through clean or conditional closure. She regularly prepares site assessment work plans and reports, remedial action plans for various cleanup technologies (soil excavation with and without dewatering, bioremediation, and air sparge/soil vapor extraction), bid specifications, construction completion reports, engineering control maintenance plans, and groundwater monitoring reports. She also oversees soil management implementation activities at former golf course, agricultural, and landfill sites for redevelopment into residential or commercial properties.

    • Ms. Rodriguez is a licensed Florida Professional Engineer with experience in environmental consulting including managing numerous small to large scale projects at all stages from initial site assessment through clean or conditional closure. She regularly prepares site assessment work plans and reports, remedial action plans for various cleanup technologies (soil excavation with and without dewatering, bioremediation, and air sparge/soil vapor extraction), bid specifications, construction completion reports, engineering control maintenance plans, and groundwater monitoring reports. She also oversees soil management implementation activities at former golf course, agricultural, and landfill sites for redevelopment into residential or commercial properties.
      he has experience in environmental compliance work, including managing groundwater monitoring projects for multiple landfills and preparing monthly operating reports for deep injection wells at two landfills. She also has experience assessing and remediating sites with metals, pesticides, chlorinated solvents, and petroleum constituents in soil and/or groundwater. Ms. Rodriguez serves as one of two Quality Management Coordinators for the Southeast Region (Florida, Georgia, and Alabama).

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Ms. Rodriguez-Garcia is an environmental scientist with experience in sustainable management of soil, contamination with heavy metals in soils and organic fertilizers, physical, chemical and biological characterization of soils, sample collection and documentation. She also has experience in the area of environmental site assessments.

    • Ms. Rodriguez-Garcia is an environmental scientist with experience in sustainable management of soil, contamination with heavy metals in soils and organic fertilizers, physical, chemical and biological characterization of soils, sample collection and documentation. She also has experience in the area of environmental site assessments.
      She has worked in projects for government agencies such as Florida Department of Transportation, Miami-Dade County Regulatory and Economic Resources, public utilities and private sector.

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Ms. Romanazzi is a Project Director experienced in solid waste management engineering and design.

    • Ms. Romanazzi is a Project Director experienced in solid waste management engineering and design.

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Rani Romero, CEM, CIEC, is an Industrial Hygienist with over two decades of experience involving environmental health and safety in environmental due diligence, soil/groundwater investigations, and industrial hygiene, including asbestos, lead-based paint, biological (mold/bacteria) contamination, chemicals/metals, noise, and indoor environmental and air quality management. Ms. Romero is also a Certified Environmental Manager (CEM) and a Certified Indoor Environmental Consultant (CIEC), as well as a licensed asbestos abatement consultant and a USEPA accredited lead based paint inspector and risk assessor.

    • Rani Romero, CEM, CIEC, is an Industrial Hygienist with over two decades of experience involving environmental health and safety in environmental due diligence, soil/groundwater investigations, and industrial hygiene, including asbestos, lead-based paint, biological (mold/bacteria) contamination, chemicals/metals, noise, and indoor environmental and air quality management. Ms. Romero is also a Certified Environmental Manager (CEM) and a Certified Indoor Environmental Consultant (CIEC), as well as a licensed asbestos abatement consultant and a USEPA accredited lead based paint inspector and risk assessor.
      She has significant experience investigating and managing environmental impacts to commercial, industrial, municipal, casino/resort, and residential properties. As an Industrial Hygienist, Ms. Romero manages a variety of projects for property owners, property managers, and financial institutions, from initial assessments to remediation and closure; and she works in conjunction with regulatory agencies and subcontractors. She also supports the legal community in biological contamination and construction defect matters.

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Mr. Romo provides SCS with over 25 years of experience in landfill gas (LFG) system operations monitoring, maintenance, migration control and recovery projects, and NSPS compliance. Field responsibilities have included routine testing, monitoring, and maintenance; repair of LFG collection headers, pneumatic pumps, extraction wells, and blower/flare facilities. Additionally, Mr. Romo has performed non-routine troubleshooting and repairs as well as emergency response services. He is experienced in all phases of landfill construction and drilling, installation of LFG systems, including flares.

    • Mr. Romo provides SCS with over 25 years of experience in landfill gas (LFG) system operations monitoring, maintenance, migration control and recovery projects, and NSPS compliance. Field responsibilities have included routine testing, monitoring, and maintenance; repair of LFG collection headers, pneumatic pumps, extraction wells, and blower/flare facilities. Additionally, Mr. Romo has performed non-routine troubleshooting and repairs as well as emergency response services. He is experienced in all phases of landfill construction and drilling, installation of LFG systems, including flares.
      Mr. Romo has supervised projects in Los Angeles County, Orange County, Kern County, and San Diego County, and other areas of Nevada, Arizona, and Texas.
      Mr. Romo is routinely involved with work scope implementation, scheduling of field technicians, data review, interpretation, and assessment and coordination with the Engineers. Responsibilities have included, report preparation and review, Health & Safety Plan preparation and implementation, and providing support in regulatory compliance.

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Mr. Ross has expertise in Quality Control, Environmental Site Assessments (ESAs), stormwater compliance, environmental sampling, and industrial hygiene. He is also the SCS technical lead for soil surveys and assessment projects, conducting soil fertility testing, vegetation monitoring, and providing vegetation and fertilizer recommendations. Mr. Ross is a certified asbestos and lead-based paint inspector in multiple Midwest states, and has 15 years of environmental experience in both the private and public sectors.

    • Mr. Ross has expertise in Quality Control, Environmental Site Assessments (ESAs), stormwater compliance, environmental sampling, and industrial hygiene. He is also the SCS technical lead for soil surveys and assessment projects, conducting soil fertility testing, vegetation monitoring, and providing vegetation and fertilizer recommendations. Mr. Ross is a certified asbestos and lead-based paint inspector in multiple Midwest states, and has 15 years of environmental experience in both the private and public sectors.

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Josh Roth
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Josh Roth
Vice President/Project Director/National Expert on Clean Air Act-NSPS and Odor Management
Reston, VA
National Expert: Clean Air Act-NSPS
O. (571) 353-2024

Joshua Roth, PE, is a Vice President and Project Director with the Landfill Gas (LFG) Group in the SCS Reston, VA office. He is one of SCS’s National Experts on the Clean Air Act-NSPS. Josh has served on a number of LFG engineering projects involving LFG remediation system design, emissions inventories and air permitting, migration and odor control, ambient air sampling and reporting, LFG and CER due diligence projects, GHG emission mitigation and reporting, field sampling and assessments, and general emissions control projects.

    • Joshua Roth, PE, is a Vice President and Project Director with the Landfill Gas (LFG) Group in the SCS Reston, VA office. He is one of SCS’s National Experts on the Clean Air Act-NSPS. Josh has served on a number of LFG engineering projects involving LFG remediation system design, emissions inventories and air permitting, migration and odor control, ambient air sampling and reporting, LFG and CER due diligence projects, GHG emission mitigation and reporting, field sampling and assessments, and general emissions control projects.
      Contact Josh at 571-353-2024 or

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Mr. Ruhle is a Project Manager for our OM&M Division in the San Francisco Bay Area.

    • Mr. Ruhle is a Project Manager for our OM&M Division in the San Francisco Bay Area.

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Ms. Ruiz is experienced in landfill engineering, environmental engineering, civil engineering, and regulatory compliance projects. She conducts landfill gas system design, construction quality assurance (CQA) and quality control, and environmental compliance projects.

    • Ms. Ruiz is experienced in landfill engineering, environmental engineering, civil engineering, and regulatory compliance projects. She conducts landfill gas system design, construction quality assurance (CQA) and quality control, and environmental compliance projects.

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Ms. Russo is a Business Manager for SCS Engineers’ Remote Monitoring and Control (RMC) group and the lead manager for SCS RMC’s drone services. During her years at SCS, she has transitioned from the SCS Field Services operations, monitoring, and maintenance (OM&M) administrative team to the SCS RMC team in 2013. She has managed the administration and installation of most of the 125 RMC west coast projects SCS has completed, to date. She is also a FAA licensed drone pilot and leads the development of SCS’s drone services, finding the latest applications that would benefit the clients in their efforts to optimize remote data collection and management.

    • Ms. Russo is a Business Manager for SCS Engineers’ Remote Monitoring and Control (RMC) group and the lead manager for SCS RMC’s drone services. During her years at SCS, she has transitioned from the SCS Field Services operations, monitoring, and maintenance (OM&M) administrative team to the SCS RMC team in 2013. She has managed the administration and installation of most of the 125 RMC west coast projects SCS has completed, to date. She is also a FAA licensed drone pilot and leads the development of SCS’s drone services, finding the latest applications that would benefit the clients in their efforts to optimize remote data collection and management.
      She has managed and performed numerous aerial inspections nationwide and internationally for the purpose of thermal surveillance, methane leak detection, topographic mapping, stockpile calculations, aerial 2D images and 3D mapping. She is responsible for researching, interpreting, organizing, coordinating, and executing RMC Drone projects across the nation, and routinely schedules project staff; assigns work; tracks progress, budgets, materials, and prepares reports for clients and SCS management.

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