ADH’s staff capabilities and experience include the preparation and performance of RI/FS Work
Plans according to the prescriptive requirements of the National Contingency Plan (NCP) (40 CFR Part
300 et seq.) including the following:
- Documentation and Evaluation of Existing Data
- Site Conceptual Model and Data Gap Summaries
- Remedial Investigation Work Plans
- Preliminary Endangerment Assessment Work Plans
- Documentation and Evaluation of Existing Data
- Risk Assessment Work Plans
- Feasibility and Treatability Study Work Plans
- Remedial Action Plans
- Site Access Plans
- Field Sampling Plans
- Quality Assurance Project Plans
- Health and Safety Plans
- Investigation Derived Residuals Plans
- Community Relations Plans
In addition to NCP projects, ADH staff is capable of conducting the following:
- Disposal of Waste to Land – Hydrogeological Assessments and Reports of Waste Discharge as
described in California Code of Regulations (CCR) Division III, Title 23, Chapter 15 for both
municipal solid waste and hazardous waste landfills
- Leaking Underground Fuel Storage Tank site assessments, feasibility studies and remedial
actions as described in CCR Division III, Title 23, Chapter 16
- Preliminary Site Assessments, field and laboratory investigations for real estate transaction
and construction support projects
- Groundwater basin water budget, recharge and discharge studies
- Aquifer testing and characterization
- Groundwater physical and chemical fate and transport modeling
- Environmental Risk Assessment
ADH Staff is experienced with design and implementation of the following remedial measures to
mitigate environmental risk associated with chemicals in soil and groundwater:
- Soil Excavation and Verification Sampling and Analysis
- Groundwater Extraction and Hydraulic Control
- Soil Vapor Extraction
- Dual Phase Extraction
- Monitored Natural Attenuation
- Enhanced Bioremediation
