Standard Practice for
Installation of Thermoplastic Pipe and Corrugated Pipe in
Septic Tank Leach Fields1
This popular is issued under the constant designation f 481; the range straight away following the designation shows the year of
authentic adoption or, inside the case of revision, the year of remaining revision. a range of in parentheses shows the yr of final reapproval. a
superscript epsilon (e) shows an editorial change since the ultimate revision or reapproval.
click below to download Astm F 481 – 97 (Reapproved 2002) pdf free