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Page 1 of I <br /> i <br /> Nuel Henderson <br /> From: Dai Watkins [daiw@sanjoco.com] <br /> Sent: Wednesday, August 07, 2002 8:22 AM <br /> To: Nuel Henderson <br /> Subject: July 20. '02 Sampling Round Results 7500 W 11 th. St <br /> Nuel: <br /> Attached are the latest data spread sheets for 7500 W. 11th. St. Tracy(Navarra). They include data from our last <br /> sampling round on July 29, 2002. <br /> No major changes are seen. Water table has risen approx 1.0 ft. This resulted in some increases in analytes of <br /> concern in ground water as water rose over areas of affected soil that was below the water table when it was <br /> lower. Thickness of floating product in Well MW-7 has decreased considerably. This is commonly seen when <br /> water table rises and diesel/gas that accumulated in annular space when water table is below the zone of most <br /> severely affected soil and is pushed upward by the rising water flows back into the formation. We took a clear <br /> bailer of water from Well MW-7 and that showed that while there was little"floating product" as it is usually <br /> defined, the groundwater contained a lot of clear translucent gasoline/diesel. <br /> Reports are progressing. <br /> Any questions? Please call (510)336-1772. <br /> Dai <br /> PS I will be out of town for 10 days starting next Wednesday. I am best man at a wedding being held on a cruise <br /> ship going to Yucatan. <br /> i <br /> r <br /> ri <br /> $/7/2002 <br />