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C A M B R I A Mr Ron Rowe <br /> April 16, 1999 <br /> J Extraction wells EW-1 and EW-2 are screened within the water-bearing zone in which elevated <br /> MTBE levels were identified in MW-1 and CPT-1 Cambria will perform a ground water <br /> pumping test using these two extraction well in the near future to evalutate aquifer characteristics <br /> for the design of a ground water extraction and treatment system <br /> CLOSING <br /> Please call Owen Ratchye at (510)420-3316 if you have any questions or comments Thank you <br /> 1 for your assistance <br /> Sincerely, <br /> Cambria Environmental Technology, Inc. <br /> Owen atch <br /> Project Engineer <br /> C r 9 <br /> L Of <br /> ui t <br /> Diane M Lu q s , P E �{' <br /> Principal Engineer f A <br /> Attachments <br />' Attachment A Drilling Permits <br /> Attachment B Soil Boring and Well Construction Logs <br /> Attachment C Standard Field Procedures for Well Installation and Cone Penetrometer Testing <br /> Attachment D Cone Penetrometer Testing Logs <br /> Attachment E Well Elevation Survey Report <br /> Attachment F Laboratory Analytical Results <br />' cc Karen Petryna,Equiva Services LLC, P O Box 6249, Carson, CA 90749-6249 <br />' GG\RIP3411Reports\RPT CPT Well Installation doc <br /> 7 <br /> 1 <br />