Engineering & Environmental Sciences
Overview
Citadel EHS's Engineering & Environmental Sciences (EES) team provides comprehensive environmental consulting, investigation, remediation, and regulatory compliance services for complex sites under regulatory oversight and property redevelopment projects. Our multidisciplinary team of scientists, geologists, engineers, toxicologists, and environmental specialists helps clients identify, assess, and manage environmental risks - from initial site investigations and due diligence through remedial design, implementation, and regulatory closure. We partner with developers, property owners, industrial clients, attorneys, contractors, insurers, and public agencies to deliver technically sound, cost-effective solutions that protect human health, achieve regulatory compliance, support redevelopment, and restore property value.
Overview
Citadel EHS's Engineering & Environmental Sciences (EES) team provides comprehensive environmental consulting, investigation, remediation, and regulatory compliance services for complex sites under regulatory oversight and property redevelopment projects. Our multidisciplinary team of scientists, geologists, engineers, toxicologists, and environmental specialists helps clients identify, assess, and manage environmental risks - from initial site investigations and due diligence through remedial design, implementation, and regulatory closure. We partner with developers, property owners, industrial clients, attorneys, contractors, insurers, and public agencies to deliver technically sound, cost-effective solutions that protect human health, achieve regulatory compliance, support redevelopment, and restore property value.
What we do
Our expertise
Comprehensive engineering & environmental sciences solutions tailored to your needs
Environmental Due Diligence, Site Assessments, & Risk Evaluation
Environmental liabilities can significantly impact property value, redevelopment potential, financing options, and transaction timelines. Citadel EHS helps clients identify, evaluate, and manage environmental risks before they become costly surprises. Our environmental due diligence services support property acquisitions, real estate transactions, refinancing, redevelopment projects, and brownfield investments through comprehensive site assessments, regulatory reviews, and risk evaluations.
- Phase I Environmental Site Assessments (ESAs)
- Phase II Environmental Site Investigations
- Data Gap Investigations
- + 7 more
Environmental Remediation Design & Engineering
Environmental remediation requires more than identifying contamination - it requires a clear, cost-effective strategy solutions that can be implemented in the field real world. Citadel EHS provides environmental remediation design and engineering services for contaminated soil, soil vapor, and groundwater sites, helping clients evaluate cleanup options, meet regulatory requirements, and move projects toward closure.
- Remedial Investigations and Feasibility Studies (RI/FS)
- Remedial Action Plans (RAPs) and Corrective Action Plans (CAPs)
- Soil, Soil Vapor, and Groundwater Remediation Design
- + 7 more
Human Health Risk Assessments
Risk assessments help clients understand whether environmental contamination poses a meaningful threat to human health or the environment and whether remediation is necessary. Citadel EHS develops scientifically defensible risk evaluations that support redevelopment, regulatory decision-making, site closure, and risk-based cleanup strategies.
- Human Health Risk Assessments (HHRA)
- Screening-Level Risk Assessments
- Vapor Intrusion Risk Assessments
- + 4 more
Environmental Construction Monitoring & Brownfield Redevelopment
Redeveloping environmentally impacted properties with environmental challenges requires careful planning, regulatory coordination, and proactive management throughout construction. Citadel EHS helps developers, property owners, contractors, and public agencies transform environmentally impacted sites into productive assets by providing environmental oversight and technical support from pre-development through project completion.
- Brownfield Redevelopment Planning and Environmental Support
- Pre-Development Environmental Planning and Site Characterization
- Environmental Compliance Monitoring During Site Development
- + 7 more
Vapor Intrusion Assessment and Mitigation Design
Vapor intrusion occurs when volatile chemicals or gases in soil or groundwater migrate into buildings and affect indoor air quality. These conditions can create health concerns, regulatory challenges, redevelopment constraints, and potential liability for property owners, developers, and facility operators.
- Vapor Intrusion Investigations and Site Assessments
- Vapor Intrusion Risk Assessments
- Soil Vapor, Indoor Air, and Sub-Slab Sampling Programs
- + 8 more
Regulatory Closure & Agency Negotiation
Achieving regulatory closure is often the final and most important milestone in the environmental remediation process. Citadel EHS works closely with regulatory agencies, property owners, developers, attorneys, and responsible parties to develop practical, scientifically defensible strategies that support site closure while managing project costs and long-term liability.
- Regulatory Agency Coordination and Negotiation
- Site Closure Strategy and Closure Planning
- Risk-Based Cleanup and Closure Evaluations
- + 8 more
Case Studies
Featured Projects
See how we've applied our expertise to real-world challenges
Meet the Team
Our Specialists
Expert professionals dedicated to your success
From the team
Latest insights
Oil Well Abandonment: Considerations for Redevelopment
Southern California faces an acute shortage of developable land. These circumstances have renewed focus on addressing thousands of abandoned oil well properties throughout the region.
Read more→
Engineering and Environmental Sciences New Addition – Mathew Coryell
At Citadel EHS we see every new employee as an extension of the Citadel EHS family. Our commitment to our employees goes beyond a paycheck. We care about their safety, wellbeing, and financial success. We nurture a...
Read more→
ICON West Industrial Real Estate Conference
Citadel EHS maintains our value of excellence with high expectations of ourselves as we strive to deliver innovative, comprehensive, and sustainable solutions to our clients. We take pride in delivering outstanding...
Read more→Who we serve
Industries we serve with this practice
Explore More
Related Services
Discover other areas where Citadel EHS can support your organization
