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CA M B R D A <br /> Blaine will coordinate quarterly sampling events with the Tosco station and gauge and sample <br /> the site wells according to the existing sampling schedule and tabulate the data. As proposed in <br /> the work plan and approved by SJCEHD, groundwater samples from all wells will be analyzed <br /> for total petroleum hydrocarbons as diesel, total petroleum hydrocarbons as gasoline, benzene, <br /> toluene, ethylbenzene, xylenes, and 1,2-dichloroethane. In addition, groundwater samples from <br /> well S-3 will also be analyzed for cadmium, chromium, Iead, nickel, zinc, napthalene, <br /> polychlorinated biphenyls, and creosote for two quarters. The metal analyses will be for <br /> dissolved (not total)metals. Cambria will prepare a groundwater monitoring report. <br /> Cambria will submit a drilling permit application to SJCEHD and schedule the field work <br /> proposed in our work plan. We will notify SJCEHD when the field work is scheduled. <br /> CLOSING <br /> If you have any questions regarding the contents of this document, please call Aubrey Cool at <br /> (510)420-3336. <br /> Sincerely, <br /> Cambria E-nu!ronmental Techno'agy, (nc. <br /> Lisa Summers <br /> Staff Scientist <br /> gED G�G� <br /> W. <br /> Joe W. Neely, RG -� <br /> Senior Project Geologist o No.6927 <br /> RG 6927 <br /> 9�0'F CAL1C� <br /> i <br /> 0943 2 <br />