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low <br /> S E C 0 R <br /> Ms Vicki McCartney <br /> October 21, 2003 <br /> Page 3 <br /> QUARTERLY RESULTS SUMMARY <br /> Current Phase of Project Monitoring/interim Remediation <br /> Groundwater Monitoring Wells <br /> Sampled MW-1 R, MW-2R, MW-3 through MW-10, and VW-1 <br /> Sampling Frequency Sampled Quarterly <br /> Groundwater Monitoring <br /> Frequency Quarterly <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 58,400 gallons <br /> Total Volume of Groundwater <br /> Extracted 865,500 gallons (since August 2000) <br /> Approximate Depth to <br /> Groundwater 13 45 to 15 15 ft <br /> Shallow Groundwater <br /> Flow/Gradient Northeast at 0 001 ft/ft <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 p <br /> assumes no responsibility for data reported 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 /> 155 S <br /> Clinton Harms <br /> Project Scientist Q?,PfESSIp <br /> RF�y�os F2� <br /> Co Qe <br /> � NO C 058399 <br /> Cr. <br /> Ltsky, P # Exp <br /> Senior Engineer tN CMI. <br /> ly FC <br /> 11ConocoPhdlips\rosco Marketmg11I1931QMR130MR03 Final doc <br /> f <br />