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wi r, <br /> S E C 0 R <br /> Ms Vicki McCartney <br /> September 4, 2003 <br /> Page 3 <br /> t <br /> QUARTERLY RESULTS SUMMARY <br /> Current Phase of Project -Monitoring/Interim Remediation <br /> Groundwater Monitoring Wells <br /> Sampled MR-1 R, MW-2R, MW-3 through MW-10, and VW-1 <br /> Sampling Frequency Sampled Quarterly <br /> Groundwater Monitoring <br /> Frequency Quarter) <br /> Is Free Product (FP) Present <br /> Onsite No <br /> Current Remediation Techniques Migration control via weekly vacuum truck groundwater <br /> extraction <br /> Volume of Groundwater Extracted <br /> this quarter 44,600 gallons <br /> Total Volume of Groundwater 'JQb�¢ i nd T4s <br /> Extracted 776,300 gallons since August 2000 111 <br /> Approximate Depth to t(tv� <br /> Groundwater 12 58 to 14 30 ft i�-+} •c3 <br /> Shallow Groundwater <br /> Flow/Gradient Northeast at 0 0007 ft/ft <br /> • <br /> This report presents our understanding of existing conditions at the subject site The conclusions <br /> contained herein are based on the analytical results, and professional judgment in accordance with <br /> current standards of professional practice, no other warranty is expressed or implied SECOR <br /> assumes no responsibility for data repotted by other consultants or contractors <br /> Should you have any questions or concerns regarding these activities, please feel free to contact <br /> Rusty Benkosky at (916) 861-0400, extension 229 <br /> Sincerely, <br /> SECOR International Incorporated <br /> �AAAI* ?IROFESS�Ory v <br /> Kristen Flesoras <br /> Project Scientist w Q' J��y1 <br /> Np C 058399 m <br /> `♦ Exp J_ <br /> AML <br /> usty ,enkosky, �Ooi"C40�pPN\P <br /> Senior Engineer <br /> e <br /> I kConomPhilhps\Tosco Marketingkl11931CMR12QMR03 Final doe " <br /> zr <br />