Standard Test Method for
Density (Unit Weight), Yield, and Air Content (Gravimetric)
of Concrete1
This fashionable is issued below the constant designation c 138/c 138m; the variety straight away following the designation suggests the 12 months
of unique adoption or, in the case of revision, the 12 months of last revision. a range of in parentheses suggests the yr of ultimate reapproval.
a superscript epsilon (e) suggests a piece of writing trade since the ultimate revision or reapproval.
This wellknown has been permitted for use with the aid of organizations of the department of protection.
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