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' Environmental <br /> Mr Harlin Knoll Resources <br /> 21 February 2001 Management <br /> Page 4 <br /> results of ground water samples collected in deep monitoring wells also <br /> indicate that the vertical depth of impacts has been sufficiently defined at <br /> each former tank location and that chemical concentrations in ground <br /> water appear to be restricted to shallow water bearing zones (i e , less <br /> than 30 feet bgs) <br /> Based on the conclusions presented above, we believe we have complied <br /> with the requirements provided by the County in their 15 June and <br /> 7 August 2000 correspondence In addition, we believe the sampling <br />' results presented above support our request for site closure in the <br /> Underground Storage Tank Closure Report submitted in April 2000 <br /> Therefore, we request a finding of No Further Action for the site In the <br /> absence of this finding, we would appreciate a written response from the <br /> County regarding the conclusions presented in this letter and a <br /> recommended plan for achieving site closure <br /> If you have any questions regarding the well installation activities or <br /> ground water sampling results, please call me at (925) 946-0455 <br /> Sincerely, �\c�),��R�D 0E000�'� <br /> /`tel BRIAN S BJORKLUNO cP� <br /> No HG 531 .�. <br /> CERTIFIED <br /> BrianBrian S Blorklund U'J, HVDROGEOLOGIST <br /> Project Manager O� <br /> OF C A��F <br />' cc Mr Scott Krall, Heinz - Pittsburgh, PA <br /> Mr Marty Hartzel, CVRWCB <br />' Ms Margaret Lagorio, SJCEHD <br /> Mr James F Devenport, The Cranbrook Group <br />