GeoStrata was established in 1999 by Mr. Hiram Alba, P.E., P.G., the founding principal. The company has been actively performing services since 2001. GeoStrata is certified as a Disadvantaged Business Enterprise (Minority owned) as well as an 8a participant in the U.S. SBA program. Geotechnical Engineering Services: Geotechnical Investigations, Expert Witness, Foundation Observation Reports, Pavement Design, Retaining Wall Design, etc. Geological Services: Debris Flow Studies, Electrical Resistivity Testing, Fault Investigations, Geophysics, GIS, Inclinometers, Seismic Refractions, Terrain Modeling, Vibration Monitoring, etc. Environmental Services: Environmental Site Assessments Phase 1, 2, 3, Air Permitting, Asbestos Inspections, Air Dispersion Modeling, Landfill Permitting, RACT Analysis, Ground water sampling, SPCC & SWPP Preventative Plans, UST, RCRA & CERCLA Remediation, etc. Special Inspection Services: Bolting, Commercial Building Inspections, EIFS, Epoxy, Mechanical and Plumbing Inspections, Precast and Post Tension Concrete, Reinforced Concrete, Soil Nailing, Spray Applied Fireproofing, Structural Masonry, Structural Steel, Suspended Ceilings, Tiebacks, Welding, etc. Field Work Services: Asphalt Coring, Asphalt Sampling and Placement Observation, Casting of Concrete Cylinders, Grout, Mortar and Prisms for Compression Strength, Air, Slump and Temperature, Concrete Coring, Concrete Curing, Concrete Maturity Monitoring, Concrete Mix Designs, Density Testing of Soils and Asphalt by Nuclear Method, Quality Assurance and Quality Control, Soil Sampling, etc. Laboratory Services: Asphalt, Concrete Masonry, and Soil Testing. GeoStrata has an AMRL, CCRL, UDOT and U.S. Army Corps of Engineers certified materials testing laboratory.