Current edition approved June 1, 2020. Published August 2020. Originally
approved in 1964. Last previous edition approved in 2014 as E25I - 9 2 (2014).
This standard is issuod under the fixed designation B25I; the number immediately following the designation indicates tho year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last rcapproval. A
superscript epsilon (e) indicates an editorial change since the last revision or rcapproval.
Book of Standards Volume: 03.01
Developed by Subcommittee: E28.01
Pages: 21
DOI: 10.1520/E0251-20A
ICS Code: 19.060