- OHI has provided assessment and remediation services at numerous current and former dry cleaners and at Sites where chlorinated solvents have been released.
- Assessments have included soil, groundwater, sub-slab soil gas, indoor air, sediment and surface water sampling and laboratory analysis.
- Remediation measures have included soil excavation and disposal, multi-phase extraction, soil vapor extraction, in-situ oxidation, and sub-slab depressurization.
Services provided by OHI
- Prepare Notices of Intent for work near wetland areas.
- Preparation and submittal of design plans and support calculations for remediation systems.
- Licensed Site Professional services in Massachusetts.
- Design, implementation, and monitoring for remediation systems.
- Site specific risk assessments.
- Preparation and submittal of regulatory reports.
- Public Involvement Activities.