Standard Test Method for
Analysis of Phytoplankton in Surface Water by the
Sedgwick-Rafter Method1
This standard is issued under the fixed designation D 4148; 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 4148 – 82 (Reapproved 2004) Pdf free
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Click here to Astm D 4147 – 99 (Reapproved 2003) Pdf free download