The laboratory offers an extensive range of compliance and quality control testing for aggregates used in various construction applications.

Among other tests GeoTerra’s Laboratory Quality Control Department provides testing as:

• Aggregate abrasion value (AAV)
• Alkali-carbonate reaction
• Alkali-silica reaction
• Carbonate content
• Clay lumps and friable particles
• Compatibility between aggregate and bitumen
• Expansion of steel slag
• Fulvic acid
• Grading of fillers
• Humus content
• Lightweight contaminators
• Loss on ignition
• Organic contaminators by the mortar method
• Particle density of filler
• Particle length
• Percentage of crushed and broken surfaces
• Petrography
• Polishing Stone Value (PSV)
• Rock compressive strength
• Shell content
• Thermal resistance shock
• Water soluble contaminators