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John Hollar

Services for South Korean Manufacturers

2026-10-12T14:42:57-06:00September 11th, 2026|Tags: , , , , , , , , , |

Clients looking to build advanced manufacturing facilities in the United States face environmental and regulatory challenges associated with due diligence, siting, design, permitting, construction, and operations.

Promotion of New Principals and Senior Principals for 2025

2026-03-17T14:04:18-06:00July 23rd, 2025|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Geosyntec announces our 2025 class of Principals and Senior Principals. These individuals exemplify the values that define the firm: collaboration, inclusion, innovation, safety, and passion for excellence.

Geosyntec Staff Contribute to Georgia Environmental Conference

2026-03-15T10:23:51-06:00August 10th, 2022|Tags: , |

Geosyntec will support the 2022 Georgia Environmental Conference through a Gold Sponsorship, an exhibition booth, and technical contributions at the Jekyll Island Convention Center in Jekyll Island, Georgia on August 23–26, 2022.

Pesticide Product Services

2026-07-02T07:45:44-06:00November 23rd, 2021|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Product manufacturers, marketers, and clients are challenged with significant investments of time and money when developing and launching pesticidal products. Critical decisions on marketing, efficacy claims and pesticidal mode of action determine regulatory registration track, required testing programs, and the ultimate path to market. Geosyntec has broad experience in the regulation and registration of all classes of pesticide products (conventional pesticides, biopesticides, and antimicrobials) and provides science-based, business-focused support to guide clients through decision making, product positioning, and ultimately registration and market introduction. Geosyntec's Pesticide Product Services supports clients with insightful, innovative solutions. Geosyntec's team of toxicologists, risk assessors, regulatory specialists, and chemists have extensive experience and knowledge of pesticide testing, submission, and label requirements under the Federal Insecticide, Fungicide, and Rodenticide Act (FIFRA). We know how to position projects for efficient registration review and processing, and how to avoid misinterpreted guidance, labels, and efficacy claims that can add months to review timeframes and can significantly increase costs. We can assist with navigating all areas of FIFRA including: Preparing a product/pesticide registration strategy Meeting with and advocating on behalf of companies with regulators Developing and submitting FIFRA registration packages, renewals, and label updates Product label content development Preparing inert ingredient petitions Developing data waivers and rationales Scoping, placing, and monitoring product toxicity, physical characteristic, and efficacy studies Responding to regulator requests Pesticide device strategy, claims, data, and regulatory tracking State-level registrations Geosyntec and our wholly-owned SiREM lab manage data generation for new product registrations and amending existing products, particularly for antimicrobial products. Geosyntec and SiREM provide in-depth analytical consulting support covering toxicology studies and antimicrobial efficacy testing. SiREM provides Good Laboratory Practice (GLP) standard antimicrobial testing (i.e., bacteria and virus) to support required testing and methods under FIFRA. The Geosyntec and SiREM team allows for expert level review and strategy development of testing programs, as well as expedited access to efficacy testing, which can save months in registration timelines. Schedule a Meeting >

Chemical Management Programs

2026-04-23T14:17:48-06:00November 23rd, 2021|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

Clients are faced with chemical risks throughout their business products, facilities, and supply chains. Increased regulations at global, regional, and national levels; combined with an expanding list of chemicals of concern; requires companies to demonstrate compliance to regulators while also addressing consumer and stakeholder expectations. Geosyntec provides advisory and evaluation support for multiple aspects of chemical management, from regulatory compliance to safety and supply chain transparency. We actively support chemical safety assessments and product stewardship summaries to help chemical and product manufacturers address public health concern challenges, regulations and data gaps associated with chemicals in the marketplace. Our services include: Compliance Tracking Management: Geosyntec's compliance team supports companies across applicable regulatory phases in their use and management of chemicals and production of a range of industrial and consumer products. This requires detailed knowledge of applicable regulatory programs; the status of specific chemicals under those programs; pending revisions and updates to the programs; and recordkeeping and reporting procedures to maintain compliance. Chemical Risk Assessment: Geosyntec's support services address human health and ecological risk assessment; hazard identification and evaluation; and exposure assessment. Restricted Substances Lists and Registrations: Our experienced practitioners know regional, national and state programs such as the Registration, Evaluation, Authorization and Restriction of Chemicals (REACH), the Toxic Substances Control Act (TSCA), the China State Administration of Work Safety (SAWS) 53, and California Proposition 65. Characterization Testing Programs: Testing programs include human health and ecological toxicity; chemical efficacy/claims verification; chemical content and physical characteristics. Supply Chain Stewardship: Geosyntec helps clients with retailer supplier portal content; registration and tracking; Environmental, Social, and Governance (ESG) reporting; chemical and product content and safety dossiers, and Safety Data Sheets .

Global Product Stewardship

2026-06-30T11:44:06-06:00September 27th, 2021|Tags: , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , |

For decades, global chemical control and downstream product regulations, bans, restrictions, and reporting obligations have proliferated, creating major challenges for multinational corporations (MNCs).

Paul Brookner and Nandra Weeks to Attend Virtual SEER Conference

2026-03-15T10:22:20-06:00October 15th, 2020|Tags: , , , , , |

Paul Brookner, P.G. (Minnesota) and Nandra Weeks, PE (Florida) will attend the Virtual Section of Environment, Energy, and Resources (SEER) 28th Fall Conference: Webinar Series on October 19-27, 2020.

John Hollar to Moderate Session on Environmental Management Information Systems at NAEM EHS&S Management Forum

2026-03-15T10:21:09-06:00October 24th, 2018|Tags: , , |

John Hollar, PE (Georgia) will moderate Session 7 entitled "Lessons Learned from Real World EMIS Implementations" at the National Association for Environmental Management's (NAEM's) 26th Annual Environmental, Health, Safety, and Sustainability (EHS&S) Management Forum in Louisville, Kentucky on October 24, 2018. John also served on the 2018 Forum Planning Committee for this event.

Geosyntec Sponsors the 13th Annual Georgia Environmental Conference

2026-03-15T10:21:04-06:00August 20th, 2018|Tags: , , , , , |

As in previous years, Geosyntec will be a Gold Sponsor of the 13th Annual Georgia Environmental Conference (GEC) at the Jekyll Island Convention Center in Georgia on August 22-24, 2018.

Geosyntec Sponsors NAEM EHS & Sustainability Management Forum

2026-03-15T10:20:38-06:00October 20th, 2017|Tags: , , , |

Chris Herin (Florida), John Hollar (Georgia), Joe Esseichick (Colorado), and Jenna Newcombe (Massachusetts) will attend the NAEM Environment, Health, and Safety (EHS) Sustainability Management Forum at Fort Lauderdale Marriott Harbor Beach Resort & Spa in Florida on October 25-27, 2017.

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