Services:
  1. Environmental Engineering
    • Underground Storage Tank System Removal
    • Phase II Hazardous Waste Site Investigation
    • Soil and Groundwater Sample Collection
    • Groundwater Monitoring System Installation
    • Remedial Systems Design, Operation and Maintenance
    • Phase III Hazardous Waste Site Remediation
  2. Environmental Science
    • Storm Water Pollution Prevention
    • Hazardous Substance and Waste Management
    • Phase I Environmental Site Assessment
    • Surface Water Testing and Analysis
    • Contaminant Characterization
    • Soil Gas Survey
    • Remedial Feasibility Studies
    • Health Risk and Endangerment Assessments
  3. Geology and Geophysics
    • Rock/Soil Boring, Soil Probing, Drilling and Logging
    • Geological Surface Mapping
    • Subsurface Geologic Investigation
    • Faulting and Seismicity Studies
    • Geologic Hazard Assessment
    • Geomorphologic Studies
    • Geomagnetic Survey
    • Resistivity Profiling
  4. Soil Science and Hydrogeology
    • Soil Survey and Mapping
    • Hydrogeologic Characterization
    • Aquifer Pump Testing
    • Groundwater and Surface Water Modeling
    • Groundwater Contaminant Fate and Transport
    • Drainage Basin Analysis
Jeff Clayton, P.G. | 530.756.1441 | grayland@prodigy.net