Ababu Gelaye, P.G.
Mr. Gelaye is a licensed professional geologist and a Certified Professional in Erosion and Sediment Control with in-depth knowledge of federal and state environmental regulations. He has been directly involved with and/or managed numerous natural gas infrastructure development projects for both exploration & production and midstream companies. Mr. Gelaye has led oil and gas site-work efforts to design and permit well pads, impoundments, access roads, facilities, and midstream and downstream infrastructure, such as pipelines and compressor stations. These efforts included site layout, grading and earthwork, stormwater management, erosion and sedimentation control design and inspection, and pipeline alignment, routing, and permitting assistance. Mr. Gelaye also has diverse experience in broad facets of environmental permitting, engineering, land surveying, hydrogeology, and environmental science, including site investigations and analysis, due diligence, and compliance assessments. He can be contacted at (614) 310-2079, or at firstname.lastname@example.org.
Ron Wells, P.G.
Mr. Wells is a Project Manager in CEC’s Columbus office where he manages environmental projects ranging from leaking underground storage tank (LUST) investigations and closure, to assisting clients with regulatory compliance. He is an Ohio Voluntary Action Program Certified Professional focusing on brownfield assessments and site redevelopment in Ohio. His 25+ years of experience include solid waste landfill siting studies, RCRA investigation and closures, CERCLA Remedial Investigations/Feasibility Studies, Phase I and Phase II environmental site assessments, environmental compliance audits, air permitting and reporting, groundwater remediation, hydrogeologic investigations, and stormwater permitting. Mr. Wells also served as an interim environmental manager at an Ohio chemical company for approximately one year while the facility’s environmental manager was away. Mr. Wells is a member of the Ohio Manufacturers Association and Ohio Oil & Gas Association. He can be contacted at (614) 310-0177, or at email@example.com.
Ivan Cooper, PE, BCEE
Mr. Cooper is a Principal in CEC’s Charlotte office and is the National Practice Leader for Water and Wastewater. He oversees environmental consulting activities in landfill leachate, municipal and industrial water and wastewater, power, regulatory compliance issues. He has detailed experience in wastewater permitting, treatability, preliminary and detailed studies and design, construction observation, operation and maintenance manuals, start-up, and operational assistance for municipal and industrial wastewater treatment facilities.
With over 43 years of technical and management experience, he has evaluated sites, performed and reviewed historical and cost evaluations for over 100 landfills and National Priority List (NPL) Superfund sites and has conducted the preliminary and detailed design of over 100 leachate, industrial, and municipal waste treatment systems. He is a licensed professional engineer in 13 states and a Board Certified Environmental Engineer by the American Academy of Environmental Engineers and Scientists. Mr. Cooper can be contacted at (855) 859-9932 or firstname.lastname@example.org
Christopher E. Hortert
Christopher E. Hortert is an Assistant Project Manager in the Environmental Engineering and Sciences practice of CEC’s Pittsburgh office. An environmental scientist, he has more than 10 years of experience in environmental consulting, primarily working with clients in the oil & gas exploration, power, chemical, and manufacturing industries on the environmental needs of their facilities. Mr. Hortert’s expertise lies in soil and water contamination investigation and remediation, environmental site assessments, and environmental compliance reporting. He is a member of the Chemical Association of Pittsburgh and the Marcellus Shale Coalition.
John has over 16 years of experience in the environmental field, primarily focused on Clean Air Act permitting and compliance. His experience includes air permitting and compliance program development and management, environmental due diligence investigations for multi-million and multi-billion dollar asset acquisitions, state and federal environmental audit disclosure development and resolution, and expert witness testimony.
Prior to joining CEC, John worked in the oil & gas industry where he coordinated EH&S-related initiatives, developed and implemented electronic systems for managing EH&S-related information, served as liaison to state and federal regulatory agencies, and coordinated environmental due diligence activities. Before that, he was an environmental consultant, a state environmental regulator, and a project manager at an air emissions testing and consulting company. He is a member of the Ohio Oil and Gas Association, the Marcellus Shale Coalition, and the Association of Iron and Steel Technology.
Mr. Slack is a Senior Project Manager at CEC with over 20 years of experience specializing in researching, developing, implementing and managing cost-effective field investigations related to wetland delineations, threatened and endangered species surveys, stream habitat assessments, and Clean Water Act permitting. He is CEC’s Indianapolis Office Eco-Lead and the company-wide Bat Practice Lead. His field experience includes bat mist netting and harp trapping, caving, bat hibernacula surveying, radiotelemetry, habitat suitability assessments, bird identification by sight and sound, GPS surveying, and technical reporting. His daily responsibilities include writing and editing proposals and project reports, designing study plans using the most current scientific methods, and qualitative/quantitative interpretation of project data.
Dennis D. Ritter
Dennis D. Ritter is a principal in the environmental engineering and sciences practice of CEC’s Pittsburgh office. Mr. Ritter is a Chemical Engineer with more than 28 years of experience working on industrial environmental compliance projects throughout the United States. Air project experience includes emissions inventories; greenhouse gas reporting; Plan Approval and Title V permitting; New Source Review; and RACT/BACT/MACT/LAER determination. Mr. Ritter has experience in all phases of industrial wastewater management, including permitting, investigations, operations and treatment design. NPDES experience includes developing Part I (NPDES Discharge) and Part II (Water Quality Management) permits and industrial stormwater permits in Pennsylvania, West Virginia and Ohio, including for heavy industrial operations such as steel mills, chemical processing facilities and power plants. He has negotiated NPDES permit issues with regulators from PADEP, WVDEP and OEPA. Mr. Ritter also has extensive experience with contingency planning; SARA reporting; compliance auditing; SPCC plans; and residual and solid waste reports. Mr. Ritter earned a B.S. in Chemical Engineering at the University of Pittsburgh.
Ron Ruocco, P.E.
Mr. Ruocco has more than 38 years of environmental consulting experience. He has served as a lead engineer managing equipment specifications and review/recommendations on bids for supply of major equipment and components, pre-qualification of bidders and review /recommendations for contractors, and equipment suppliers of treatment systems. Mr. Ruocco’s technical areas of expertise include process design of treatment systems, bench treatability studies, pilot studies, and implementation from conceptual planning/designing through commissioning, operations, and maintenance. Projects have included detailed review of wet processes to minimize hydraulic loading, the incorporation of wastewater segregation and pre-treatment to minimize wastewater concentrations, and have often utilized existing equipment in order to minimize capital cost. Technologies have included concentrate segregation, waste to treat waste segregation and blending for equalization and virgin chemical cost reduction, chrome reduction, cyanide oxidation, chemical/ physical precipitation, cold lime softening, flocculation/ precipitation, filtration, carbon adsorption, IX, RO, evaporation, crystallization, solids dewatering and drying. Mr. Ruocco can be contacted at 1-980-237-0373, or email@example.com.
Ms. Ritts has over 5 years of air quality consulting experience. She has experience with Air Quality Permitting; Air Quality Dispersion Modeling; Potential to Emit Analyses; Regulatory Compliance; Fee Emissions Reports; Excel-based Record Keeping Databases; SARA (311/312, 313) Reports; Greenhouse Gas Rule Permitting Analyses and Annual Reports; Conducting Informal Air Permit Audits to Prepare Companies for a State-run Audit; Assisting Clients during State-run Air Permit Audits; and NSPS, MACT and NESHAP Regulatory Assessments. Ms. Ritts has a B.S. in Chemical Engineering from the University of Toledo. You can reach her at 888-598-6808, or firstname.lastname@example.org.
Dustin Kuhlman, P.E.
Mr. Kuhlman is a Vice President in the Civil Engineering practice of Civil & Environmental Consultants, Inc. (CEC). As CEC’s Natural Gas Industry Consulting Group lead, he is responsible for the development and coordination of consulting services to the natural gas industry throughout the corporation. Mr. Kuhlman also leads the civil engineering practice in CEC’s Pittsburgh headquarters office.
Mr. Kuhlman has more than 18 years of experience and for the past seven years has focused on exploration, production, and transmission projects for the natural gas industry. He has extensive environmental design and permitting experience related to shale gas development, performing layout, grading, and erosion control design for well sites, impoundments, compressors, and pipelines.
For the past several years, Mr. Kuhlman has been named a Who’s Who in Energy by the Pittsburgh Business Times, and in 2014 he was named to the national list by the American City Business Journals. He is an active member of the Marcellus Shale Coalition, participating on several committees, and is also a member of the American Society of Civil Engineers. Mr. Kuhlman is a licensed professional engineer in four states (OH, PA, VA and WV) and is a graduate of ASFE’s Fundamentals of Professional Practice program. Mr. Kuhlman can be contacted at 1-800-365-2324 or email@example.com.
Rick Celender, C.E.T., CPESC, CPSWQ
Mr. Celender is a Senior Project Manager at CEC’s Pittsburgh office with over 20 years of diverse experience in stormwater BMP maintenance and inspection, land development, environmental analysis, NPDES permitting, and civil engineering consulting. His experience with most aspects of land improvement design coupled with specialization in stormwater management provides unique insight into the current trends in stormwater management design, maintenance, and construction. Mr. Celender has given various presentations related to stormwater maintenance, inspection, and erosion control practices to Municipal Governments, the American Public Works Association, and the Pennsylvania Association of Conservation Districts (PACD). He is an accredited instructor for the CPESC (Certified Professional in Erosion and Sedimentation Control) exam review and is the Region 2, Mid-Atlantic CPESC representative and CPESC Council member. Mr. Celender is also a Certified Professional in Storm Water Quality (CPSWQ), has obtained OSHA Confined Space Entry Certification (29CFR1910.146), Wetland Delineator Certification through the Institute for Wetland & Environmental Education & Research (IWEER), Certification in Land Management and Water Control, Erosion and Sediment Control through the National Institute for Certification in Engineering Technologies, and attended Point Park University, Civil Engineering Technology program. Mr. Celender can be contacted at (800) 365-2324 or firstname.lastname@example.org.
Doug Clark, P.E.
Mr. Clark is a Principal in CEC’s geotechnical engineering and construction services group. He has over 20 years of experience as a civil and geotechnical engineer responsible for subsurface investigations, engineering design services, and construction quality monitoring and testing. Doug’s projects often include the investigation of landslides, mine subsidence, and other ground instabilities. Many of these projects have included extensive drilling and testing programs, and instrumentation installation and monitoring. He has designed stabilization measures and monitored construction of anchored retaining walls and subsurface grouting programs. He has extensive experience in the design and use of structural geogrids for geotechnical engineering applications, including retaining wall and reinforced slope design, and foundation stabilization and pavement base strengthening. He has also conducted numerous geotechnical investigations and evaluations for commercial buildings, bridges, industrial equipment, earthen dams, and waste disposal projects. You can reach Doug at 800-365-2324 or email@example.com.
Thomas Maher, P.G.
Mr. Maher is a Principal with over 25 years of experience performing and managing diverse environmental and geotechnical projects. Mr. Maher’s diverse environmental experience includes Marcellus Shale exploration waste management and release remediation projects; state and federally lead Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA or Superfund) projects; state and federally lead Resource Conservation and Recovery Act (RCRA) projects; assessment, investigation, and remediation of electric utility properties including coal-fired power plants, ash disposal facilities, electric substations, transmission facilities, and office/storage facilities; assessment, investigation, and remediation of natural gas utility properties including transmission pipelines, compressor stations, mercury metering stations, office/storage facilities; landfill gas and leachate extraction and beneficial use projects; underground storage tank assessments, remediation projects and closures; Phase I and Phase II environmental assessments for various commercial and industrial properties to be sold and/or redeveloped; groundwater remediation and monitoring projects for residual, municipal, and hazardous waste landfills; assessment of the impact of previous deep and surface mining including handling and treatment of acid mine drainage; and permitting of processed waste materials for beneficial co-product use. Mr. Maher’s geotechnical experience includes design and monitoring subsurface investigations for residential, commercial, and industrial developments; geotechnical report preparation including conclusions and recommendations for shallow and deep foundations, earthwork, floor slabs, pavement, retaining walls, mine subsidence risk reduction, groundwater and surface water control, cut and fill slopes, infiltration basins, sedimentation basins, cement-bentonite slurry, and other barrier walls.
Jennifer Ewing, P.G.
Ms. Ewing specializes in the preparation of Phase I Environmental Site Assessments (ESAs) of multi-unit residential, industrial, and commercial properties, and tracts of vacant land. She has prepared several hundred Phase I ESAs, transaction screens, and other ESAs in numerous states for major banks, attorneys, and private clients. Many of the due diligence services are performed on highly aggressive schedules associated with property transactions and development. Her other key areas of technical experience include Phase II ESAs, underground storage tanks, waste management, and asbestos surveys. As a project manager she develops cost estimates and schedules; coordinates with clients, subcontractors, attorneys, regulatory personnel; and prepares written reports. Ms. Ewing has a B.S. in Environmental Science / Geology from Edinboro University. You can reach her at 800-365-2324, or firstname.lastname@example.org.
Mary King, P.G.
Ms. King is a Project Manager and geologist with 24 years of experience in environmental and groundwater projects. She has conducted due diligence and soil/groundwater investigations at commercial and industrial facilities, and at hazardous waste sites with a variety of inorganic and organic contaminants and in geologic regimes ranging from thick unconsolidated sediments to fractured bedrock. She has supervised or assisted investigations conducted under RCRA, CERCLA and Pennsylvania’s Land Recycling and Environmental Remediation Standards Act (Act 2). Ms. King has conducted over 250 Phase I Environmental Assessments and managed sampling associated with Pennsylvania’s Management of Fill Policy. Contact Ms. King at 800-365-2324 or email@example.com.
Mr. Macoskey is one of the leaders of CEC’s environmental practice with particular emphasis on air quality permitting and compliance. He has over 27 years of experience helping facilities manage their environmental regulatory compliance obligations. Mr. Macoskey has expertise in identifying compliance gaps, filling those gaps, developing programs, and providing training aimed at maintaining ongoing compliance. Mr. Macoskey is knowledgeable in federal and state environmental programs affecting industry and has special expertise in the area of air quality compliance and permitting. He has managed projects ranging from simple construction permit applications to major New Source Review evaluations as well as ambient air and meteorological monitoring, dispersion modeling, human health risk assessment, and control technology evaluations. Project experience spans the oil and gas, manufacturing, electric utility, and waste management sectors. Mr. Macoskey has been a Qualified Environmental Professional with the Institute of Professional Environmental Practice since 1996. Mr. Macoskey can be contacted at 800-365-2324 or firstname.lastname@example.org.
Paul W. Tomiczek III, REM, P.E.
Mr. Tomiczek has nearly 30 years of experience managing environmental engineering projects, including remedial investigations, feasibility studies, remedial designs, and construction monitoring projects. Compliance support projects include environmental regulatory compliance audits, environmental plan preparation (SWPPP, SPCC, PPC), environmental regulatory submittals (EPCRA Tier Two, Form R, and biennial hazardous waste reports), and permit acquisition for industrial clients. He managed environmental programs at a large integrated steelmaking facility and has completed over 50 projects evaluating the environmental liabilities and environmental compliance issues at a wide variety of heavy manufacturing and industrial facilities.
Mr. Tomiczek is a Registered Environmental Manager, and a licensed Professional Engineer in Pennsylvania, Ohio and West Virginia. He holds a B.S. degree in civil engineering from Cornell University, and M.S. degree in civil engineering from Carnegie-Mellon University. Mr. Tomiczek is an ISO 14001 lead auditor and certified industrial storm water operator in Michigan. Mr. Tomiczek serves a Vice President and Environmental Practice Lead for CEC. Mr. Tomiczek can be contacted at 800-365-2324 and by email at email@example.com.
Andrew G. McCorkle, P.G.
Mr. McCorkle is a Certified Professional Geologist and a Principal in CEC’s Environmental Practice. As the Practice Lead for CEC’s Columbus office, he is responsible for overall project delivery and quality assurance within the group. His expertise focuses on core regulatory and technical matters relating to the manufacturing industry, and more specifically contaminant hydrogeology. Mr. McCorkle has more than 20 years leadership experience in the environmental industry, including six years environmental liability management for a major oil company, and more than 14 years project/program management for international consulting firms. As a project manager, Mr. McCorkle has managed literally hundreds of concurrent underground storage tank investigations and cleanups, conducted Phase I/Phase II environmental site assessments at brownfield sites, and assisted a major research university with stormwater compliance matters. He routinely conducts compliance audits, and advises buyers, sellers, and lenders on environmental considerations for real estate transactions. He has expertise in federal and state (Ohio) environmental regulations, subsurface contaminant investigation and remediation, hydrogeologic data interpretation, large-scale environmental project management, environmental/risk communication, and issues related to transfer or redevelopment of contaminated property.
Robert Valli, P.G.
Mr. Valli, a Principal with CEC, has over 20 years of diverse experience in managing, planning and implementing environmental investigations and cleanups. He holds Bachelor of Science Degree in Geology from Edinboro State University in Pennsylvania and a Master of Science Degree in Geology from Akron University in Akron Ohio. Mr. Valli’s experience had been nvolved with the assessment and cleanup of a wide variety of facilities including coal and asbestos processing facilities; hot and cold work steel mills; electrocoating and electronic component manufacturers; wood treating facilities; power stations; petrochemical manufacturing and storage facilities; bulk chemical and fuel storage facilities; textile mills; dry cleaners; scrap metal facilities; automotive and truck maintenance facilities and greenfield sites being considered for future development. More recently, he has become a leader in providing environmental support to the oil & gas industry. His oil & gas related experience includes performing pre- and post-drill sampling; installing leak detection monitoring systems; evaluating suitability of water withdrawal locations, developing water quality monitoring plans, preparing SPCC and water management plans, providing third party independent analysis for allegations of water quality impacts, and designing water treatment systems for homes affected by O&G releases. He has developed, secured state approval for, and implemented assessment and clean-up plans to address drilling and pipeline releases of fuel oil, lubricants, hydraulic oil, drilling muds, frack fluids, condensate, and production fluids in the Appalachian and Piceance Basins. In performing these projects, he is able to provide value-added benefit due to his strong background in contaminant fate and transport analysis and his knowledge of traditional and non-traditional remediation technologies.
Mr. Kanouff has over 10 years of experience conducting ecological surveys and preparing various federal and state permits for stream and wetland impacts. His main focus is on the energy sector, specifically the natural gas industry. Mr. Kanouff’s expertise includes wetland and stream delineation and permitting, Marcellus Shale water source management planning, and threatened and endangered species reviews. His project experience includes pipelines, access roads, well locations, and water sources. Mr. Kanouff is an active member of the Independent Oil and Gas Association of Pennsylvania (IOGA of PA) and the Pennsylvania Oil and Gas Association (POGAM). Mr. Kanouff can be reached at 724-327-5200 or firstname.lastname@example.org
Ms. Guinee is a Principal and Due Diligence Services Manager with CEC. Mary has over 25 years experience in environmental consulting, including 20 years of conducting and managing Environmental Assessments of commercial and industrial real estate. Served as Project Manager or Senior Reviewer of over 1000 environmental assessments where clients required assistance in identifying environmental liabilities and satisfying due diligence requirements. Sites assessed included former/active industrial facilities (steel, chemical and specialty products manufacturing, railcar fabrication etc.), landfill/waste management facilities, gasoline stations, various commercial office/retail establishments, among others. She also is responsible for creating multi-discipline team approaches to addressing clients due diligence concerns during real estate transactions (e.g., Property Condition Assessments, ALTA/ACSM Land Title Surveys, Ecological Evaluations, Compliance Evaluations, Geotechnical Evaluations, Engineering Due Diligence, etc.). Mary has a B.S. in Environmental Health from Indiana University of Pennsylvania and is a Past President of the Pittsburgh chapter of Commercial Real Estate Women (CREW – Pittsburgh). You can contact her at (800) 365-2324 or email@example.com.
James Zentmeyer, P.E.
Mr. Zentmeyer is a Principal Engineer at Civil & Environmental Consultants, Inc. with over 20 years of diversified environmental and geotechnical experience at sites throughout the United States. Mr. Zentmeyer’s primary focus is assessing and remediating contaminated soil and groundwater, permitting, and regulatory interface for commercial, industrial, municipal, state, and federal entities. As a Certified Professional under Ohio’s Voluntary Action Program, Mr. Zentmeyer is experienced with brownfield redevelopment, regulatory implications, and the acquisition/use of state and federal grant monies. He also has experience with environmental compliance and permitting, asbestos and lead-based paint, jurisdictional waters delineation and permitting, and storm water regulations, as well as geotechnical exploration and design. Mr. Zentmeyer has a Bachelor’s and Master’s degree in civil and environmental engineering from the University of Cincinnati. He can be reached at 800 759 5614 or firstname.lastname@example.org.
Jeffrey Woodcock, P.E.
Mr. Woodcock is a Vice President at Civil & Environmental Consultants, Inc. with over 27 years of geotechnical engineering and construction inspection experience. Mr. Woodcock has managed the investigation and design of repairs to landslides, retaining wall failures, floor slabs heaving due to pyrite or slag, and structures damaged by mine subsidence. In addition, Mr. Woodcock has managed the geotechnical investigations for site developments, foundation systems, deep mine stabilization, and the design of numerous retaining wall systems. Mr. Woodcock is responsible for the construction phase services provided by CEC that include construction quality assurance (CQA) and special inspections required by Chapter 17 of the International Building Code (IBC). CQA services include the monitoring and testing of earthwork, paving, mine grouting, and retaining wall construction. New construction for buildings and additions require the testing of backfill, foundations, concrete, masonry, steel, EFIS, and spray-applied fire resistant materials. Mr. Woodcock has a bachelor’s degree in civil engineering from the Pennsylvania State University and is a registered professional engineer in Pennsylvania, Ohio and Delaware. He can be reached at 800-365-2324 or email@example.com.
Mr. Sheleheda is a Project Manager at CEC’s Export office specializing in geotechnical and site/civil engineering services. He has over 11 years of diverse engineering experience, including commercial, residential, retail, and industrial developments in both the private and public sectors. He provides expertise in geotechnical engineering design for all aspects of land development and construction. Also, he has investigated and provided remedial recommendations for landslides, expansive shale, retaining walls, and mine grouting/subsidence. His responsibilities have included preparing bid packages, authoring specifications, and construction level drawings, as well as preparing expert reports for the legal and insurance industries. In addition, Mr. Sheleheda has extensive experience in site infrastructure rehabilitation planning. His experience in this area includes specialty foundations, retaining walls, landslide remediation, soil compaction, and concrete and pavement construction. Mr. Sheleheda has also served as the lead investigator and written investigative reports as to the causes and culpability for hydrologic and geotechnical related claims. He is licensed as a Professional Engineer in nine states, and holds a B.S. degree in Civil Engineering from the Pennsylvania State University and an M.S. in Civil (Geotechnical) Engineering from the University of Michigan. Mr. Sheleheda can be contacted at (800) 899-3610 and firstname.lastname@example.org.
Mr. Ryan Dunning, a Vice President and Office Lead for CEC’s Detroit Office, has 16 years of diverse consulting experience in the environmental field. His experience and expertise includes environmental due diligence, remedial investigation, and brownfield redevelopment consulting. Mr. Dunning has assisted developers, lenders, investors, and law firms with transactional and redevelopment risk management. He has also led multidisciplinary teams of scientists and engineers on UST closure, industrial remediation, and facility decommissioning projects. Mr. Dunning has a B.S. in Geology from Eastern Michigan University and has served on the Board of Directors of the Michigan Association of Environmental Professionals for three terms. Ryan can be contacted at (866) 380-2324 and by email at email@example.com.
Mr. Sayles is a Project Manager with over 18 years of diverse geotechnical and construction monitoring experience. He has worked on a wide range of subsurface investigations to form conclusions, recommendations, and design for building foundations, slope stability, retaining walls, and earthwork. Deep foundation experience includes analysis of driven steel piles including wave equation analyses; determination of pile driving programs, and design and analysis of micropiles, caissons, and auger cast-in-place piles. He has also performed numerous forensic investigations including retaining wall failures, slope failures, foundation settlements and heaves. Micah has over 16 years of experience managing geotechnical, special inspections, construction quality assurance, and quality control projects. He has coordinated with CEC’s site civil engineering group to develop construction plans and specifications that incorporate geotechnical recommendations. Contact him at 800-365-2324 or firstname.lastname@example.org.
Ralph Hirshberg, P.E.
Mr. Hirshberg has more than 23 years of experience in the solid and hazardous waste industries. He has extensive experience in the permitting and design of a wide range of waste disposal and environmental facilities, including all facets of CERCLA and RCRA waste disposal facility permitting, design, operations and compliance. Mr. Hirshberg’s environmental permitting experience includes Solid Waste PTI/PTO, Landfill and Industrial Facility Air Emissions PTI/PTO, Title V, NSPS, NPDES, 401/404 Wetland and associated regulatory programs. His technical capabilities include leachate and landfill gas detection and recovery system design, air sampling, emission factor development, landfill gas generation modeling and analysis, landfill gas generation modeling and composition analysis, landfill odor control, natural and synthetic lining systems, seismic stability of landfill lining systems, and surface water analysis and containment design. Mr. Hirshberg can be reached at 513-985-0226 or email@example.com.