Standard Practice for
Low-Flow Purging and Sampling for Wells and Devices
Used for Ground-Water Quality Investigations1
This standard is issued under the fixed designation D 6771; 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 6771 – 02 Pdf free
[wpdm_package id=’33636′]
Click here to Astm D 6770 – 02e1 Pdf free download