Environmental Consulting

Environmental

Consulting.

Services.

Leighton has supported development plans for more than 2,000 sites throughout California, determining viability through a range of specialized environmental engineering and consulting services.

These services include:

Caltrans Initial Site Assessment (ISA)
Phase I Environmental Site Assessments (ESAs)
Phase II ESAs, including carefully planned and executed subsurface investigations
Performance-based remediation design, implementation and management
Litigation Support
Remedial Excavation
Soil Vapor/dual phase extraction
In-Situ chemical oxidation/reduction
Preparation and management of environmental compliance plans
CUPA Hazardous Material Management Plan (HMMP)
Hazardous Material Inventory Statements (HMIS)
Underground Storage Tank Program audits

Due Diligence.

During site due diligence, Leighton makes careful consideration of:

Site Conditions

Regulatory
Requirements

Type and Extent
of Contaminants

Time Frame Available to Conduct a Remediation Program

Site Remediation.

Our team then immerses ourselves in the data and goals, weighing the options to identify remediation solutions that are best suited to your project’s budget and schedule.

Site remediation services include:

Oversight of contaminated site assessments and cleanups
Groundwater assessment and remediation
Human health risk assessments
Remediation system operations and maintenance
Vapor intrusion assessment and remediation
Regulatory compliance and permitting
Coordination of proper handling, storage and removal of contaminants
Manifest documentation and reporting based on the Site Safety Plan and Environmental Compliance Plan

Regulatory

Compliance.

Leighton’s specialized knowledge of environmental regulations helps clients effectively navigate various agencies, specialized trainings, and required documentation.