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ASTM C231 – Air Content by Pressure Method
ASTM C173 – Air Content by Volumetric Method
ASTM C138 – Density (Unit Weight), Yield, and Air Content
ASTM C172 – Sampling Fresh Concrete
ASTM C31 – Making & Curing Concrete Specimens in the Field
Making Concrete Cylinders – ASTM C31
Quality Control of Concrete On Site (Part 2)