These concrete & aggregate services are conducted in compliance with:

• ASTM C29/C29M - Test Method for Bulk Density ("Unit Weight") and Voids in Aggregate
• ASTM C31 - Practice for Making and Curing Concrete Test Specimens in the Field
• ASTM C33 - Standard Specification for Concrete Aggregates
• ASTM C39 - Test Method for Compressive Strength of Cylindrical Concrete Specimens
• ASTM C117 - Test Method for Materials Finer than 75-µm (No. 200) Sieve in Mineral Aggregates by Washing
• ASTM C136 - Test Method for Sieve Analysis of Fine and Coarse Aggregates
• ASTM C138 - Test Method for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete
• ASTM C143 - Test Method for Slump of Hydraulic Cement Concrete
• ASTM C172 - Practice for Sampling Freshly Mixed Concrete
• ASTM C173 - Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method
• ASTM C231 - Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method
• ASTM C232 - Test Methods for Bleeding Concrete
• ASTM C293 - Test Method for Flexural Strength of Concrete (Using Simple Beam with Center-Point Loading)
• ASTM C566 - Test Method for Total Evaporable Moisture Content of Aggregate by Drying
• ASTM C617 - Practice for Capping Cylindrical Concrete Specimens
• ASTM C1064 - Test Method for Temperature of Freshly Mixed Portland Cement Concrete

Soil & rock testing includes, but is not limited to standard & modified proctors, sieve analysis, soil classification, field moisture/density, and dynamic field penetrometer.

These soil & rock services are conducted in compliance with:

• AASHTO T99/T180 - Test Method for Moisture-Density Relations of Soils
• ASTM D422 - Test Method for Particle-Size Analysis of Soils
• ASTM D698 - Test Method for Laboratory Compaction Characteristics of Soil Using Standard Effort
• ASTM D1140 - Test Method for Amount of Material in Soils Finer than the No. 200 Sieve
• ASTM D1556 - Test Method for Density and Unit Weight of Soil In-Place by the Sand Cone Method
• ASTM D1557 - Test Method for Laboratory Compaction Characteristics of Soil Using Modified Effort
• ASTM D2216 - Test Method for Laboratory Determination of Water (Moisture) Content of Soil and Rock by Mass
• ASTM D2488 - Standard Practice for Description and Identification of Soils (Visual-Manual Procedure)
• ASTM D2922 - Test Method for Density of Soil and Soil-Aggregate In-Place by Nuclear Methods (Shallow Depths)
• ASTM D2937 - Test Method for Density of Soil In-Place by the Drive Cylinder Method
• ASTM D3017 - Test Method for Water Content of Soil and Rock In-Place by Nuclear Methods (Shallow Depth)
• ASTM 4318 - Test Methods for Liquid Limit, Plastic Limit, and Plasticity Index of Soils (Atterberg Limits)
• ASTM D 4643 - Test Method for Determination of Water (Moisture) Content of Soil by the Microwave Oven Heating
• ASTM STP399 - Dynamic Cone for Shallow In-Situ Penetration Testing