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Summartr,of Drilling Methods k:'tz;hinques for insmiling C vfT wellsin Lncansoiiaated Aauiiers Page= of <br /> ' l borenoie. Prevents in borehole.Add vow casing removed. <br /> redistribution of I alternating lifts of <br /> contaminants along sand ana bentonite <br /> I borenoie wail during I pellets, as rasing is <br /> drilling_ ! withdrawn,either by ! <br /> gravity placement. <br /> tremie methods or j <br /> using the Solinst <br /> Sand Bentonite <br /> Injector. <br /> Mud rotarj !� Wiaely available. Place CMT tubing I Thin drilling fluid as <br /> directly into borenoie much as oossible <br /> �I with anchor plate I prior to installing <br /> I attached to bottom of annular materials. <br /> tubing.CART tubing I Use a coarse-grained <br /> aentraiizers should be filter pack. Mua filter <br /> I used to center CMT ; cake can be difficult <br /> tuning in borehole. to remove with <br /> j Place sano pacx and development <br /> bentonite with a Imethods available`or <br /> tremie tube and grout CMT wells. <br /> I I pump. <br /> i <br /> coated bentonite pellets do not hydrate as quietly, therefore these <br /> peilets are useful for deeper applications, however some coater <br /> pellets give off either ethanol or acetone,and can cause elevate!, <br /> detection limits if some target compounds. Typically, uncoatea <br /> pellets are suitaoie for depths up to 100 ft of Nater. <br /> Home -oauc:s About. 'Iontac:Js Pacers Downtoacs i-racesnows Rentals Linksj Espanol 1 NEWS Siteman <br /> http://www.sc iinst.com/PTod/403/403 addon/A0_SOP.html 4/5/0: <br />