Standard Specification for
Corrugated Asbestos-Cement Sheets1
This wellknown is issued beneath the constant designation c 221; the quantity at once following the designation indicates the 12 months of
unique adoption or, within the case of revision, the year of last revision. more than a few in parentheses suggests the year of last reapproval. a
superscript epsilon (e) indicates a piece of writing change because the remaining revision or reapproval.
click below to download Astm C 221 – 98 (Reapproved 2003) pdf free
click here to download Astm C 220 – 91 (Reapproved 1999) pdf free