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C � �A � � � � Ms. Margaret Lagorio <br /> ►rf` August 15, 2001 <br /> ANTICIPATED THIRD QUARTER 2001 ACTIVITIES <br /> Groundwater Monitoring: Blaine will gauge and sample all wells and tabulate the data. <br /> Cambria will prepare the third quarter groundwater monitoring report. <br /> Groundwater Remediation: Hydrocarbon and MTBE concentrations have been substantially <br /> reduced in extraction and monitoring wells across the site. During a meeting with the Public <br /> Health Division of San Joaquin County Public Health Services, Equiva, and Cambria, it was <br /> agreed that Cambria will shut down the GWE system for the third and fourth quarters of 2001 and <br /> monitor groundwater concentrations. <br /> CLOSING <br /> We appreciate the opportunity to work with you on this project. Please call Owen Ratchye at <br /> (510)450-1984 if you have any questions or comments. <br /> -' >rlssio�� <br /> Sincerely, �'' p � <br /> Cambria Enviro m ntal Technology, Inc <br /> rn <br /> Owe C. chye � <br /> Senior Project gineer �� C y j\- Q <br /> Figures: 1 -Groundwater Elevation Contour Map -Zone A ' 4.F'CA <br /> 2 - Groundwater Elevation Contour Map - Zone B <br /> Tables: 1 -Groundwater Analytical Data-Oxygenate Compounds <br /> 2 - Groundwater Extraction System—System Analytical Results <br /> 3 -Groundwater Extraction System-Mass Removal Calculations <br /> Attachments: A - Blaine Groundwater Monitoring Report and Field Notes <br /> B - GWE System Analytical Results <br /> cc: Karen Petryna, Equiva Services LLC, P.O. Box 7869 Burbank, CA 91510-7869 <br /> Marcus Pierce, RWQCB 3443 Routier Road, Sacramento, CA 95827-3098 <br /> Robert G. den Dulk, 2412 Avenue 360, Kingsburg, CA 93631 <br /> Ua—;Nvu, 259 Nlartu, 'Yal.rn. Avenue, Ripen, C',.."A Q;'166 <br /> Michele Dias, Herum, Crabtree, Brown 2291 West March Lane, Suite B100, <br /> Stockton, CA 95207 <br /> g:\ripon341 main1gm12g01 gm.doc <br /> 3 <br />