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• 24 May 2002 <br /> AGE-NC Project No 95-0109 <br /> Page 2 of 2 <br /> 3 A revised geologic cross section has been prepared including data from wells EW-1, MW-8 and <br /> MW-12 Lithologic units have been separated according to Article 4, Section 2649 of the UST <br /> regulations and appropriate Unified Soil Classification System symbols have been used as requested <br /> by CVRWQCB Geologic cross section A-A' is presented in Figure 3 <br /> 4.AGE recommends a work plan be prepared to install monitoring well clusters to verify the TPH-g <br /> detected in the water samples collected during the CPT investigation One monitoring well cluster <br /> should be installed in the area of MW-8 with well screen intervals from 80 feet bsg to 90 feet bsg <br /> and from 110 feet bsg to 120 feet bsg A second well cluster should be installed in the area of CPT-3 <br /> with well screen intervals from 50 feet bsg to 70 feet bsg, from 75 feet bsg to 80 feet bsg and from <br /> 112 feet bsg to 117 feet bsg Proposed Well clusters are illustrated on Figure 1 <br /> If you have any questions or comments, please contact our office at (209) 467-1006 <br /> Sincerely, _ <br /> \5�S��7 GFp1OG <br /> . Advanced GeoEnvironmegtal, Inc. <br /> s <br /> CALVIN F <br /> LE <br /> No 7327 <br /> �• 2 <br /> Brian W Millman Calvin F Lee OCA1-�F <br /> Staff Geologist Senior Project Geologist " <br /> California Registered Geologist No 7327 <br />