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Main Title Monitoring Well Installation, Purging, and Sampling Techniques. Part 2. Case Histories.
Author Keely, J. F. ; Boateng, K. ;
CORP Author Robert S. Kerr Environmental Research Lab., Ada, OK. ;Weston (Roy F.), Inc., West Chester, PA.
Year Published 1987
Report Number EPA/600/J-87/203;
Stock Number PB88-170519
Additional Subjects Wells ; Monitoring ; Ground water ; Installing ; Sampling ; Purging ; Contamination ; Reprints ;
Library Call Number Additional Info Location Last
NTIS  PB88-170519 Some EPA libraries have a fiche copy filed under the call number shown. 07/26/2022
Collation 16p
Abstract Three case histories are presented to illustrate the problems encountered using some monitoring well installation, purging, and sampling techniques. Hollow-stem augering was found to pose problems during the installation of monitoring wells in terms of potential for cross-contamination of strata, the inability to emplace an adequate filter pack, the potential for smearing natural clays into sand and gravel strata, and the possible need for excessive purging of sediments that accumulate between sampling events. A hybrid drilling technique, augering with temporary casing, was able to provide the advantages, and minimize the disadvantages, of the foregoing drilling methods.
Supplementary Notes Pub. in Ground Water, v25 n4 p427-439 Jul/Aug 87. See also PB88-170501. Prepared in cooperation with Weston (Roy F.), Inc., West Chester, PA.
NTIS Title Notes Journal article.
Title Annotations Reprint: Monitoring Well Installation, Purging, and Sampling Techniques. Part 2. Case Histories.
PUB Date Free Form c1987
Category Codes 68D#; 48G
NTIS Prices PC A03/MF A01
Primary Description 600/15
Document Type NT
Cataloging Source NTIS/MT
Control Number 811327435
Origin NTIS
Type CAT