Geosyntec Consultants Logo

John Buyers

Pharmaceuticals in the Environment (PiE)

2026-07-02T07:32:56-06:00March 27th, 2026|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Lead Practitioners Nothing Found

John Buyers, P.Eng

2026-05-26T10:16:57-06:00August 30th, 2024|Tags: , , |

John Buyers is a Principal Engineer based in Ontario with more than 30 years of experience focused on investigation and remediation of chemical, industrial, and hazardous-waste sites across North America. John is also active in the field of solid waste management, primarily regarding post-closure care and monitoring of closed landfills.

Geosyntec Announces the Appointment of 41 New Principals

2026-03-15T10:24:48-06:00April 10th, 2024|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

The Geosyntec Family of Companies announces the promotion of 41 individuals to the position of Principal. Each of these new Principals has made significant contributions to delivering outstanding projects to first-class clients, developing strong relationships with those clients, building our practices, leveraging their own expertise and experience of their colleagues, recruiting outstanding staff, and working collaboratively with their coworkers.

Groundwater Assessment and Remediation

2026-06-30T09:11:21-06:00February 11th, 2015|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec’s expertise in efficient site characterization, including sites that exhibit complex groundwater-flow regimes, has distinguished our firm as a leader in groundwater assessment and groundwater remediation. Our practitioners address a broad suite of contaminants, including metals, chlorinated organic chemicals, petroleum hydrocarbons, and emerging contaminants, and use award-winning, technology-based remediation strategies that are often first-to-field. Many of our hydrogeologists specialize in modeling the fate and transport of contaminants through the most difficult types of media, including fractured and karst bedrock.

Overview of Contaminated Site Assessment and Cleanup

2026-08-18T14:34:36-06:00November 12th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec practitioners rank among the world's top professionals in providing site assessment and remediation services at a wide range of impacted sites using innovative technologies and solutions that consistently advance the state of the practice. Through our use of innovative technologies and solutions, we provide our public and private sector clients with a wide array of services to address their toughest challenges. Our contaminated site practitioners guide our clients through a specialized remediation plan, consult on regulatory strategies, and develop a comprehensive cleanup approach. We can address numerous types of media, including contaminated soils, sediments, and groundwater. Advancing the State of the Practice Geosyntec's practitioners are pioneers in site assessment and remediation. Our senior practitioners have developed and authored guidance material and courses for local, state, and national agencies and associations on remediation techniques and technologies. Working with the Interstate Technical Regulatory Council, Geosyntec practitioners taught a training course on vapor intrusion, including mitigation options for the development of vapor-impacted brownfield sites. Geosyntec practitioners also wrote the guidance document on evaluating, optimizing, or ending post-closure care at impacted sites, including brownfield sites, and developed a patented approach for sub-slab vapor migration mitigation allowing residential, commercial, and industrial development on sites impacted by vapor intrusion. Our specialists routinely collaborate with prominent national researchers from academia and government agencies to provide innovative and defensible strategies for sites with contaminated sediments. For example, we collaborated with the United States Geological Survey (USGS) to remediate chlorinated solvent-contaminated marsh sediments by applying a bioreactive mat system embedded with a dehalogenating microbial consortium, a technology Geosyntec helped develop. This project and partnership earned our client recognition as a finalist for the Service to America Medal awarded by the Partnership for Public Service. Through a collaborative research project with the University of Florida, Geosyntec professionals helped develop the FLUCL software package for the Florida Department of Environmental Protection. This software is used to calculate exposure point concentration statistics in risk assessment and was the first of its kind to contain algorithms for censored datasets. FLUCL has received endorsements from several United States Environmental Protection Agency regions and the California Environmental Protection Agency. Geosyntec scientists also pioneered the use of genetic molecular tools to characterize microbes in environmental media and are engaged in applied research and development with top academic institutions around the world, including the University of Toronto, Cornell University, and the Georgia Institute of Technology.

Overview of Waste Management Planning, Engineering & Design

2026-04-29T11:39:03-06:00November 12th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec is a recognized leader in waste containment facility permitting and design. From concept to implementation, we assist our clients in achieving efficient, safe, and secure containment of their regulated wastes that require land disposal. Our practitioners assist our clients in increasing commercial viability, achieving and maintaining compliance, and ensuring that short- and long-term needs are met for new and existing sites and projects. We are experienced in the permitting, design, and construction of expansions and closures of: Municipal solid waste (MSW) landfills Hazardous waste landfills Coal combustion residual landfills Construction and demolition waste landfills Radiological and mixed waste landfills Tailings impoundments Mine waste rock piles and dumps Our waste containment practice specializes in addressing the most complex and challenging projects through our innovative technologies and designs. Our practitioners assist clients with permitting greenfield sites and existing site expansions, maximizing disposal capacity, and solving complex site challenges.   Our practitioners also provide investigation, design, permitting, and construction oversight for on-site disposal facilities for cost-effective, safe on-site disposal of soils, sludges, and miscellaneous debris with a broad range of contaminants, including mercury, PCBs, and volatile and semi-volatile organic compounds.

Contaminated Media Investigations & Assessments

2026-09-24T10:14:27-06:00March 27th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec applies reliable and innovative approaches to contaminated media investigations and assessments. We help clients address a wide array of known and emerging contaminants in soil, sediment, and groundwater. We also conduct site evaluations and discover the sources of air emissions, subsurface vapor intrusion into buildings, and contaminants in surface waters. Our assessment specialists include some of the most respected and sought-after professionals in the environmental remediation industry. They possess the experience and technical skills to conceptualize and implement all aspects of contaminated media assessments and remediation programs. Using a multidisciplinary approach, Geosyntec brings together nationally recognized, in-house specialists in civil and geotechnical engineering, ecology and biological sciences, risk assessment and applied toxicology, and earth sciences to address the complex issues associated with contaminated media. Our contaminated site practitioners guide our clients through specialized remediation plans, consult on regulatory strategies, and develop comprehensive cleanup approaches. We address numerous types of media, including contaminated soil, sediment, and groundwater. Contaminated Media Services

Conceptual Site Model Development

2026-05-27T08:08:12-06:00March 27th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Developing an accurate conceptual site model (CSM) is paramount to understanding and interpreting contaminant fate and transport in the subsurface. One of the main reasons that site remediation fails or produces less than optimal outcomes is a reliance on an overly simplified CSM.

Remedial Design

2026-06-30T09:17:15-06:00March 27th, 2014|Tags: , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec is a preferred partner for innovative, cost-effective, and successful remediation solutions because we approach each project with technical expertise and creativity. For every client, we develop a clear understanding of how to achieve best-value outcomes using the most appropriate technologies and management strategies for individual projects. When the nature of the problem, like an emerging contaminant, requires a new type of remedy, our professionals set the standard for developing innovative science into novel and effective solutions for environmental remediation. From advanced vapor intrusion evaluation strategies to sophisticated bioaugmentation techniques and beyond, Geosyntec delivers practical environmental management solutions that meet project-specific needs and achieve our clients' objectives. Along with our expertise in treatability and pilot tests, Geosyntec practitioners are adept at conducting feasibility studies that develop, screen, and provide detailed evaluations of alternative remedial solutions for impacted sites. Our studies help clients determine the optimum performance they can expect from a remediation system and the expected cost of implementing a remedy. We also provide detailed remediation system design and design/build services for a wide range of innovative and traditional remediation strategies, including those that employ groundwater pump and treat systems; bioremediation and bioaugmentation solutions; chemical oxidation; the injection of nanoscale zero-valent iron; soil vapor extraction; indoor air venting and treatment; and much more. Geosyntec applies the principles of future optimization at the forefront of the design process, positioning the client for long-term savings opportunities, with strategies like modular unit operations of an ex situ treatment train to reduce chemical and energy costs as influent concentrations decrease, or incorporating flexibility into injection systems such as allowing for alternating passive and active flow fields or the ability to add additional components to target residual source zones. Geosyntec is the leading provider of remedial design services, particularly for complex sites where the challenges – whether from unconventional contaminants, difficult geology and site setting, multi-party groups of responsible parties, or all of the above – make the exit strategy difficult to envision. Our collaborative, global network provides our clients with access to the most talented group of environmentally-focused professionals in the industry. We also approach every project as a time-critical action, recognizing that when our clients require remediation services, they should expect to see the positive results of those actions in a timely manner.

Go to Top