SERVICES WE PROVIDE

  • Real Estate Risk Management (AAI Phase 1 and 2 ESA's)
  • Groundwater Resource Studies
  • Geologic Hazards Investigation
  • Expert Witness and Litigation Support Services
  • Sampling & Monitoring Services
  • UST Investigation / Remediation
  • UST Fund Claim Management
  • Geotracker Database Compliance and Management
  • Hazardous Materials Investigation and Management
  • Regulatory Compliance and Permitting Services
  • Project Planning / Management


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What Solution is Right for Your Project?

Click here to visit our Solutions page and read our Mission Statement so you understand our values when planning the right approach for your project. 


 


 

 

 

 

PROJECTS

The following are summaries of selected projects EGS has worked on for private sector and public sector clients. These are provided to demonstrate the variety of our project experience, client types, and geographic areas of service.  We have worked on a wide variety of projects in most Bay Area counties and have had projects as far north as Roseburg, OR, as far east as Incline Village, NV and as far south as Tijuana, Mexico.

GROUNDWATER RESOURCE AND IMPACT INVESTIGATION

MAYACAMAS RANCH, SONOMA COUNTY, CA                                                                 Read more

Groundwater recharge area map||||

GROUNDWATER AVAILABILITY/ SALTWATER INTRUSION EVALUATION LAKEVILLE HIGHWAY, PETALUMA, CA                                                                           Read more

Petaluma river valley cross section||||

U. S. ARMY CORPS OF ENGINEERS, THREE UST SITES

WARM SPRINGS DAM, SONOMA COUNTY, CA                                                                 Read more

Warm springs dam||||

UST INVESTIGATION AND CLOSURE, NAPA VALLEY PETROLEUM

CHEVRON STATION, 2008 REDWOOD ROAD, NAPA, CA                                                   Read more

UST removal and sampling||||

PETALUMA MUNICIPAL AIRPORT UST INVESTIGATION / REMEDIATION PETALUMA, CA                                                                                                                 Read more 

Petaluma municipal airport||||

AAI PHASE 1 ENVIRONMENTAL SITE ASSESSMENT

PHASE 2 INVESTIGATION

PHASE 3 REMEDIATION

PHASE 4 CLOSURE

SONOMA JET CENTER, CHARLES SCHULTZ / SONOMA COUNTY  AIRPORT

SANTA ROSA, CA                                                                                                           Read more

Footing groundwater containment||||
Contaminated soil excavation and sampling||||

AAI PHASE 1 ENVIRONMENTAL SITE ASSESSMENT (review of others)

PHASE 2 INVESTIGATION

PHASE 3 REMEDIATION

PHASE 4 CLOSURE

FIFE CREEK COMMONS – BURBANK HOUSING DEVELOPMENT, INC.          GUERNEVILLE, CA                                                                                                          Read more


Dust control during soil loading||||
 Remediation during construction||||

WOOD WASTE LANDFILL / MILL CLOSURE AND MONITORING                CAL CEDAR PRODUCTS, ROSEBURG, OREGON                                                             Read more

Wood waste landfill closure||||

LEGACY TIRE SITE AND LANDSLIDE / CREEK STABILIZATION               ADOBE ROAD, PETALUMA, CA                                                                                         Read more

Removal of thousands of tires||||
Rip rap creek bank stabilization||||

CREEK BANK STABILIZATION / LANDSLIDE REPAIR

PORTER CREEK, SONOMA COUNTY, CA                                                                           Read more

Rip rap creek bank stabilization||||
Rip rap placement adjacent||||

JOFFE V. COMMERCIAL AMERICA, FAILURE ANALYSIS

EXPERT WITNESS AND LITIGATION SERVICES, TIJUANA, MEXICO                               Read more

Slope failure near building||||
Building renovation after design||||

HOUSING AUTHORITY V. EMCON, INC., ET AL.,

FORENSIC INVESTIGATION AND EXPERT TESTIMONY

EXPERT WITNESS AND LITIGATION SERVICES, SALINAS, CA                                       Read more

Bucket auger drilling||||
Test pit excavations||||

LOMBARD INVESTMENTS V. TOWN OF SAN ANSELMO

LANDSLIDE LITIGATION AND EXPERT SERVICES MARIN COUNTY, CA                           Read more

Attorney’s assessing damage||||

HIGHWAY 1 STABILIZATION AND SOIL SAMPLING PROJECT

CALIFORNIA DEPARTMENT OF TRANSPORTATION (CALTRANS),                                        

JENNER TO FT. ROSS, CA                                                                                              Read more

Highway 1, north of Jenner, CA||||

DRY CLEANERS CHLORINATED SOLVENT (PCE) INVESTIGATION      SANTA ROSA, CA                                                                                                           Read more

Installing groundwater monitoring well||||
Drilling inside building||||

EMERGENCY INVESTIGATION AND REMEDIATION SERVICES

MERRYVALE WINERY CONSTRUCTION, NAPA, CA                                                         Read more

Excavation of contaminated soil||||
Construction activity during excavation||||

GENERAL PLAN 2006 AND ENVIRONMENTAL IMPACT REPORT

SONOMA COUNTY, CA                                                                                                      Read more

Sonoma county fault map||||