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Mr. Clint Rogers 310-355 <br /> November 27, 1991 <br /> Page 2 <br /> SAMPLING AWD ANALYTICAL RRSULTS <br /> The results of the monitoring and laboratory analyses of <br /> ground water samples for this quarter, as well, as the results <br /> of previous monitoring and sampling events, are summarized in <br /> Table 1. A site plan showing depth to water measurements is <br /> presented in Figure 2. <br /> No liquid-phase hydrocarbons or sheen were observed in any of <br /> the ground water samples. Monitoring wells EA-1, EA-2, EA-3 <br /> and EA--4 were dry; as a result, the ground water gradient <br /> beneath the site could not be determi-ned. The official <br /> laboratory reports and chain of custody records are included <br /> in Appendix A. <br /> Please call John De George at (510) 682-1582 if you have any <br /> questions regarding this report. <br /> Sincerely, <br /> ALT'ON G(EOSCIENCE, <br /> John De George <br /> Staff Geologist <br /> R bert e. Logan R. G. 5088 <br /> Manager, Concord Operations <br /> wp97780jd <br /> I <br />