Litigation Support
Support for counsel from discovery and deposition through mediation and settlement.
Learn morePractical strategies for navigating environmental liability
Due diligence through cleanup and risk-based closure. Fact-driven strategies that hold up with regulators and in court.
We deliver fact-driven strategies with client-focused service.
From due diligence assessment to site cleanup and risk-based closure, our strategies integrate stakeholder concerns, feasible and appropriate technologies, and regulatory requirements for successful project outcomes.
QES offers strategic technical guidance and support for environmental matters including groundwater supply and other subsurface chemical impacts, remediation, site closure, and related litigation.
What we do
Six service lines, one senior team
Each project team is assembled for the site in front of us, so clients pay for the specialists the work actually needs.
Due Diligence
ASTM-compliant Phase I assessments and compliance review for transactions and acquisitions.
Learn moreSite Characterization
Multi-media investigation and feasibility study at industrial, petroleum, landfill and Port sites.
Learn moreRemediation and Risk-based Closure
Vadose zone and groundwater remedial design and implementation, through to site closure.
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Regulatory Agency Negotiations
Site-specific cleanup criteria agreed with federal, state, regional and county agencies.
Learn moreAdvanced Analytical Methods
Fate and transport modelling of the vadose and saturated zones to support cleanup goals.
Learn moreA core team, extended by specialists
QES runs a small in-house team of scientists and engineers in partnership with an established network of colleagues. That structure lets us match expertise to the problem without carrying the overhead of a large firm.
Core Team
In-house hydrogeologists, engineers and project staff who own the work from field programme through reporting, agency negotiation and closure.
Meet the core teamExtended Team
Select specialists in numerical modelling, remediation engineering, toxicology and risk assessment, brought in where a project calls for them.
See the extended teamWhat counsel says
Quotes from client letters of recommendation.
“Catherine has proven to be an effective negotiator.”
“I can wholeheartedly recommend her as an environmental expert for even the most complex and challenging cases.”
“I have come to rely on Catherine’s instincts, talent, hard work, and professionalism.”
Agency experience
Where we negotiate
QES has negotiated agency-accepted, site-specific cleanup criteria for soil and groundwater across California, Arizona and Nevada.
Federal
- United States Environmental Protection Agency, Region IX
- Superfund and CERCLA National Priorities List sites
- RCRA facility assessment and corrective action
State of California
- Cal EPA Department of Toxic Substances Control
- California Regional Water Quality Control Board
- South Coast Air Quality Management District permits to operate
Regional and county
- RWQCB Los Angeles, Central Valley and Santa Ana Regions
- County environmental health departments
- Municipal water districts and groundwater purveyors
Tell us about the site and the deadline
Call or write and you will speak with the people who will do the work. We will tell you plainly what a defensible path forward looks like.