Expert Witness

OFFERING SPECIALIZED EXPERT WITNESS SUPPORT ON ENVIRONMENTAL LITIGATION DISPUTES

GSI has environmental experts with specialized technical and regulatory skill sets to assist legal teams in the most diverse and complex environmental disputes nationally and internationally.

GSI’s environmental experts provide fact and expert witness consulting and testifying services to legal teams representing a variety of public and private clients, such as energy, chemical, manufacturing, waste management companies, and domestic and international government agencies. GSI’s experts have facilitated legal teams defense on some of the largest, most complex legal disputes involving alleged environmental damages and impacts to human health and the environment.

Our experts assist with assessing key issues such as potential environmental impacts and remediation requirements; sources and timing of releases; historical industry practices and standards of care; contaminant fate and transport; allocation of potential environmental liabilities; groundwater resources and basin adjudication; management of potential risks to human health and the environment; effectiveness and protectiveness of remedies; and the retroactive application of new environmental regulations, guidance, and policies on past operations.

GSI has a clear understanding of trial and arbitration matters, including the environmental liabilities associated with current or past industrial activities. Our experts excel at distilling and tailoring the presentation of complex technical data to meet the needs of the court, hearing examiners or arbitration panel. We have provided expert testimony in international disputes in the Middle East, Central Asia, and Latin America, as well as numerous state and federal litigation and arbitration matters in the U.S. Our experience allows a focused approach to expert and testimony and compilation of trial exhibits to effectively present our findings and opinions to the audience.

Related services include:

FEATURED PROJECTS

Expert Testimony Regarding Environmental Site Conditions in Rainforest Area, Chevron Corporation and Texaco Petroleum Company vs. the Republic of Ecuador, International Arbitration PCA Case No. 2009-23, Oriente Region, Ecuador

GSI experts provided expert testimony regarding current environmental site conditions at oilfield facilities and alleged risks to human health and the environment. Assessed the presence or absence of environmental damages and the need for, scope of, and associated cost of appropriate remedial actions; evaluation of the toxicity of crude oil and produced water discharges; and conducted a human health and ecological risk assessment. Assessed the consistency of environmental management practices employed by the oilfield operator with the prevailing practices and regulations of that time.

Expert Testimony Regarding Environmental Site Conditions in Rainforest Area, Chevron Corporation and Texaco Petroleum Company vs. the Republic of Ecuador, International Arbitration PCA Case No. 2009-23

Oriente Region, Ecuador

GSI experts provided expert testimony regarding current environmental site conditions at oilfield facilities and alleged risks to human health and the environment. Assessed the presence or absence of environmental damages and the need for, scope of, and associated cost of appropriate remedial actions; evaluation of the toxicity of crude oil and produced water discharges; and conducted a human health and ecological risk assessment. Assessed 17 February 2021 Page 2 of 4 the consistency of environmental management practices employed by the oilfield operator with the prevailing practices and regulations of that time.

Expert Opinions Regarding Potential Groundwater Impacts, Former Research and Development Facility, Republic of Yemen v. Canadian Nexen Petroleum Yemen et al., International Chamber of Commerce Case No. 19869/MCP

Block 14 Oilfields, Yemen

GSI experts provided expert opinions regarding potential environmental impacts to principal aquifers, related to oil well drilling, construction, and abandonment practices; disposal of produced water and other wastes; and management of Naturally- Occurring Radioactive Materials (NORM). Evaluated the presence, absence, or likelihood of impacts to the beneficial use of groundwater resources and associated potential response actions to mitigate this effect. Investigated historical international and U.S. industry practices for environmental management of oil and gas operations; development of environmental laws and regulations; management tools for environmental, health and safety programs; and assessment of environmental impacts and remediation requirements.

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John A. Connor, PE, PG, BCEE

President, Principal Engineer

OFFERING SPECIALIZED EXPERT WITNESS SUPPORT ON ENVIRONMENTAL LITIGATION DISPUTES

GSI has environmental experts with specialized technical and regulatory skill sets to assist legal teams in the most diverse and complex environmental disputes nationally and internationally.

GSI’s environmental experts provide fact and expert witness consulting and testifying services to legal teams representing a variety of public and private clients, such as energy, chemical, manufacturing, waste management companies, and domestic and international government agencies. GSI’s experts have facilitated legal teams defense on some of the largest, most complex legal disputes involving alleged environmental damages and impacts to human health and the environment.

Our experts assist with assessing key issues such as potential environmental impacts and remediation requirements; sources and timing of releases; historical industry practices and standards of care; contaminant fate and transport; allocation of potential environmental liabilities; groundwater resources and basin adjudication; management of potential risks to human health and the environment; effectiveness and protectiveness of remedies; and the retroactive application of new environmental regulations, guidance, and policies on past operations.

GSI has a clear understanding of trial and arbitration matters, including the environmental liabilities associated with current or past industrial activities. Our experts excel at distilling and tailoring the presentation of complex technical data to meet the needs of the court, hearing examiners or arbitration panel. We have provided expert testimony in international disputes in the Middle East, Central Asia, and Latin America, as well as numerous state and federal litigation and arbitration matters in the U.S. Our experience allows a focused approach to expert and testimony and compilation of trial exhibits to effectively present our findings and opinions to the audience.

FEATURED PROJECTS

Expert Testimony Regarding Environmental Site Conditions in Rainforest Area, Chevron Corporation and Texaco Petroleum Company vs. the Republic of Ecuador, International Arbitration PCA Case No. 2009-23

Oriente Region, Ecuador

GSI experts provided expert testimony regarding current environmental site conditions at oilfield facilities and alleged risks to human health and the environment. Assessed the presence or absence of environmental damages and the need for, scope of, and associated cost of appropriate remedial actions; evaluation of the toxicity of crude oil and produced water discharges; and conducted a human health and ecological risk assessment. Assessed 17 February 2021 Page 2 of 4 the consistency of environmental management practices employed by the oilfield operator with the prevailing practices and regulations of that time.

Expert Opinions Regarding Potential Groundwater Impacts, Former Research and Development Facility, Republic of Yemen v. Canadian Nexen Petroleum Yemen et al., International Chamber of Commerce Case No. 19869/MCP

Block 14 Oilfields, Yemen

GSI experts provided expert opinions regarding potential environmental impacts to principal aquifers, related to oil well drilling, construction, and abandonment practices; disposal of produced water and other wastes; and management of Naturally- Occurring Radioactive Materials (NORM). Evaluated the presence, absence, or likelihood of impacts to the beneficial use of groundwater resources and associated potential response actions to mitigate this effect. Investigated historical international and U.S. industry practices for environmental management of oil and gas operations; development of environmental laws and regulations; management tools for environmental, health and safety programs; and assessment of environmental impacts and remediation requirements.

Related services include:

Contact Us