Materials Testing & Laboratory Services

WABO | Concrete | Soil | Aggregate | Masonry | HMA | Asphalt | Mortar | Grout | Shotcrete | Compressive Strength | Prisms | Pavement | Drilled Cores | Clay | Permeability

GeoTest has two WABO registered materials testing laboratories that provide services for design and construction phases of projects. GeoTest’s Bellingham laboratory is accredited by A2LA to R-18 standards. GeoTest’s Arlington laboratory is accredited by AASHTO to R-18 standards for construction materials testing, allowing us to provide testing on federally funded National Highway System projects.

Concrete & Masonry

Compressive Strength
Drilled Cores
Flexural Strength
Concrete Pavements
Concrete Mix Designs


Soil & Aggregate Testing

Particle Size Analysis
Sieve Analysis & Proctor
Specific Gravity & Absorption
Moisture Content
Uncompacted Voids
Sand Equivalent
Unit Weight
Organic Content & Impurities
Clay Lumps & Friable Particles
Lightweight Pieces


Asphalt &

Hot Mix Asphalt (HMA) Testing

Asphalt Content & Gradation
Maximum Specific Gravity / Rice Density
Asphalt Core Density / Thickness
Marshall Method Test
Asphalt Mix Design

Contact GeoTest

GeoTest welcomes the opportunity to become a part of your team and build the success of your company. We provide Construction Special Inspection and Materials Testing Services throughout Northwest Washington. Our Geotechnical Engineering Department and Environmental team can provide services in Washington State and Oregon.

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