Standard Specification for
Chemical-Resistant Masonry Units1
This fashionable is issued beneath the fixed designation c 279; the variety at once following the designation indicates the year of
authentic adoption or, inside the case of revision, the year of last revision. a variety of in parentheses suggests the yr of remaining reapproval. a
superscript epsilon (e) shows a piece of writing trade since the ultimate revision or reapproval.
click below to download Astm C 279 – 88 (Reapproved 2001) pdf free
click here to download Astm C 274 – 99 pdf free