ExxonMobil Portfolio Environmental Consulting Services

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Project Details

ETIC has provided comprehensive environmental services to ExxonMobil at sites throughout California, including sites located in the counties of Los Angeles, Orange, Alameda, Contra Costa, El Dorado, Humboldt, Sacramento, Santa Clara, San Joaquin, San Mateo, Siskiyou, Yolo, and San Diego.  ETIC has provided all necessary services to investigate and remediate contaminants to bring over 100 sites to closure.

Our Approach

ETIC’s services to ExxonMobil have included preliminary site investigations; soil and groundwater investigations; remedial investigations; well installations; groundwater monitoring; engineering design, construction, installation, and operation/management of remediation systems; ecological and human health risk assessment; chemical fate and transport modeling; and negotiations with regulatory agencies.

Remedial Investigations

ETIC staff have conducted numerous remedial investigations across California.  Investigations have focused on assessing both the horizontal and vertical extent of soil and groundwater contamination.  A combination of direct-push and conventional drilling methods has been used to collect the necessary data.  The information obtained from site investigations and groundwater monitoring activities aid the development of remediation plans.

Groundwater Monitoring

ETIC’s Field Technical Support Group monitors groundwater quality on a quarterly, semi-annually, and/or annual basis at a peak over 80 ExxonMobil sites across California.

Feasibility Studies/Corrective Action Plans

ETIC staff conduct feasibility studies to determine the most effective technology to remediate soil and groundwater contamination found at sites.  Field testing is conducted using multi-phase, dual-phase, and single-phase extraction to test recovery rates.  Feasibility studies have shown various types of extraction systems to be effective remedial technologies at different sites.  This also allows for design of a full-scale remediation system with the necessary water and/or vapor abatement systems.

Engineering Design, Permitting, and Construction

ETIC staff have developed engineering plans for fabrication of extraction systems, including groundwater extraction, dual-phase extraction, and soil vapor extraction systems.  In addition, ETIC’s Field Services department has installed multiple remediation and treatment systems and electrical and natural gas utilities at ExxonMobil sites.

Client: ExxonMobil Oil Corporation
Location: Various locations throughout California
Duration of Project: 1999 – present
Services:

  • Contaminated Site Management
  • Site Investigation and Remediation
  • Compliance Assurance
  • Site Closure