EA is a recognized leader in providing contaminated sediment services to both commercial and public clients. Our services include site characterization, pre-design investigations, and treatability studies; procurement of analytical laboratories and data validation; preparation of feasibility assessments; preparation of remedial designs, cost estimates, and bid documents; ecological and human health risk assessment; development of cleanup goals that are protective to human health and the environment and satisfy regulatory requirements; coordination, interaction, and negotiation with regulatory agencies; communication of complex scientific information to diverse public stakeholders; and preparation of environmental permits and attainment of regulatory approvals.
Our contaminated sediment expertise includes:
- Development of remedial action objectives and cleanup levels/goals based on site-specific conditions and receptors
- Development and execution of feasibility assessments and alternatives evaluation for remedial actions
- Coupling of upland and in-water remediation and integrated habitat restoration into project designs
- Design of in-water remedial actions that involve multiple technologies: dredging, capping, in situ treatment, monitored natural recovery, and confined disposal
- Communication of complex technical information to multiple audiences
- Coordination with adjacent property owners, maritime stakeholders, and other vested entities
- Identification of data gaps and implementation of pre-design investigations and treatability studies
- Integration of green remediation and sustainable elements in assessment and design to promote energy efficiencies, water conservation, material reuse, and reduction of greenhouse gases
- Preparation of permit applications and consultations for complex remedies
- Development and implementation of post-construction monitoring and long-term monitoring of remedy success
