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03/14/01 WED 14:40 FAX 510 68' 4141 GEOMATRIX OAKLAND — 002 <br /> a, I <br /> GROMATRIX <br /> EMORANDUM <br /> YY. <br /> TO: Michael J.Infurna, San DATE: March 14,2001 1 <br /> Joaquin County Public Health r <br /> Services <br /> Bob Mihalovich and Penny <br /> FROM: Gary Foote. CC: 401 <br /> Fottrell, Chevron <br /> SUBJECT: Extension of Permeability Tests at 1755 West 11th Street,Tracy <br /> California(San Joaquin County APN 232-170-07) 3: <br /> 1 <br /> ' <br /> Thank-you for authorizing us to extend the permeability tests that we are conducting at <br /> the subject site for a few additional days. The additional data will allow us to better <br /> assess site conditions. We plan to complete the tests and destroy the boreholes on the <br /> morning of March 21,2001. In the interim,we will secure the PVC casings at each testes <br /> location with locking water-tight expansion caps. If you have any questions,,please feel s <br /> free to call me at(510) 663-4260. Again,thank you for all of your assistance on this I <br /> proj ect. <br /> i� <br /> Docum=2 <br /> 1 3• <br /> x <br /> rsq <br /> .1 <br /> t <br /> 1.L <br /> fa I <br /> it <br /> �ST <br /> I <br /> R <br /> Geomatrix Consultants 2101 Webster Street, 12th Floor,Oakland,CA 94612 (510)663-4100 � <br />