Standard Test Methods for
Crosshole Seismic Testing1
This standard is issued under the fixed designation D 4428/D 4428M; the number immediately following the designation indicates the
year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last
reapproval. A superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
Click below to download Astm D 4428/D 4428M – 00 Pdf free
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Click here to Astm D 4427 – 92 (Reapproved 2002)e Pdf free download