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History Well 21~ <br />• Sampling <br />July 1999 water quality samples were collected from all three completions <br />using stainless steel bailer. <br /> <br />August 1999 water quality samples collected from all three completions <br />using dedicated gas displacement pumps. <br />September 1999 water quality samples collected from all three <br />completions using gas displacement pump. <br />October 1999 water quality samples collected from A Groove and B <br />ve usin d i ed as dis la m nt um s. No sam le collected <br />Groo g ed cat g p ce e p p p <br />from Dissolution Surface as a result of blockage in sample line. <br />NOteS~:ti~1 ' 'a%.~6s.~,~~e,~~,~"h..;^~fz9~~ '~; ' ' lz~},~,; "' ` ~ 3zx'+3~~ ~i r ~,`~ ,'1 <br />A Uinta Formation well was installed as the fourth completion in the 21-4 multiple <br />completion borehole, but when development work commenced it became <br />apparent that the screen interval had been lost to grout leakage, so the Uinta <br />completion was filled with grout and abandoned. A separate borehole was drilled <br />on the same location and completed as 21-4U. <br />u <br /> <br />