Environmental, Health, and Safety

Environmental Claims Consulting

J.S. Held Acquires GLI Advisors, Strengthening Our Construction Project Support Services in the Western US and Hawaii

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We deliver technical and scientific expertise to help clients address high-stakes insurance claims and disputes.

Our multidisciplinary team combines environmental science and engineering expertise, regulatory knowledge, and decades of claims experience to support stakeholders on all types of environmental claims, including pollution liability, remediation, statutory compliance, business interruption, historical contamination, and specialty lines.

Our Environmental Claims Consulting Services

  • Air/Vapor, Soil, and Groundwater Sampling
  • Business Interruption Assessments
  • Cause & Origin Investigations
  • Construction-Related Impact and Pollution Assessments
  • Environmental Due Diligence
  • Environmental Impact Assessments
  • Environmental Site Assessments and Contamination Evaluations
  • Expert Witness Testimony and Litigation Support
  • Identification and Quantification of Environmental Damages
  • Independent Third-Party Review
  • Indoor Air Quality Assessments
  • Industrial Hygiene Assessments – Mold, Asbestos, Lead, PFAS, Hazardous Materials
  • Occupational Safety and Risk Consulting Services
  • Pollution Claims Analysis
  • Regulatory Compliance Analysis
  • Remediation Planning and Cost-to-Cure Analysis
  • Subrogation Support
  • Toxic Tort Consulting

Environmental Damage Assessment and Cause and Origin Determination

Environmental contamination claims often hinge on accurately identifying the source, timing, and extent of pollution and contaminants. Our experts combine scientific and engineering expertise with historical operations analysis to provide insight into origin, causation, and potential liability. We help insurance professionals understand whether impacts stem from sudden events, gradual releases, or historical conditions. We provide clear, evidence‑based findings to support informed decision-making and streamline the path toward environmental claims resolution.

Environmental Remediation Consulting

Our experts review proposed and ongoing cleanup efforts to determine technical feasibility, regulatory compliance, and cost appropriateness. We analyze third-party contractor scopes, unit rates, and remediation strategies to ensure work reflects industry standards and aligns with the site’s actual conditions. We provide defensible insights for insurance and legal professionals to navigate complex claims and ensure ensuring environmental obligations regarding remediation are properly addressed.

Regulatory Compliance Advisory

Environmental claims often involve complex compliance requirements across local, state, and federal agencies. We assess permit conditions, reporting obligations, cleanup criteria, and regulatory pathways to determine whether actions taken meet applicable standards. When needed, our experts help facilitate communication between insurers, insureds, legal teams, and regulatory bodies to keep claims on the path to resolution. Our strategic guidance helps reduce administrative delays, clarifies expectations, and supports timely, compliant closure of environmental matters.

Industrial Hygiene Assessments

We provide specialized expertise in losses involving hazardous materials to assess risk, evaluate sampling data, and define the appropriate corrective actions. Our experts investigate mold, asbestos, lead, PFAS, and other contaminants using established scientific methods and accredited analytical protocols. We determine the extent of impact, evaluate the potential for occupant and worker exposure, and review remediation protocols for technical accuracy, helping to validate recommended work, resolve disputes, and support an efficient claim process.

Expert Witness Testimony and Litigation Support

When an environmental claim progresses into litigation, we deliver technical expertise and defensible analysis to turn complexity into clarity. Our environmental claims experts provide evaluation of opposing opinions, prepare expert reports, and offer testimony on topics including causation, remediation, appropriate costs, and ongoing regulatory compliance. Our independent approach equips legal teams with reliable insights and clarifies understanding of complex environmental issues throughout the litigation process for both technical and non-technical audiences

For additional information about our services and to help put you in touch with the appropriate expert across our global team, contact:

John Peiserich
View Bio
John Peiserich
Executive Vice President | Environmental, Health & Safety Practice Lead
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