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James P. Bowels, P.E. <br /> R. William Rudolph, P.E. <br /> May 16 , 1986 <br /> y SCI 157. 025 <br /> 1 <br /> Ms ,, Laurie Cotulla <br /> San Joaquin Local Health District <br /> 1601 E. Hazelton Avenue <br /> Stockton, California 95201 <br /> Proposed Groundwater Monitoring <br /> Well_ Installation <br /> Diesel Tank Site <br /> Crosstown Freeway and Southern <br /> Pacific Railroad <br /> Stockton, California <br /> Dear Ms. Cotulla, <br /> This letter records our proposed geotechnical services to be <br /> provided in conjunction with Aqua Terra Technologies ' site <br /> assessment for the referenced project. The project is located <br /> 1 at the intersection of Southern Pacific Railroad line and the <br /> Crosstown Freeway in Stockton, California. <br /> Our services will include the drilling and sampling of 1 test <br /> boring near an underground tank. Samples will be obtained at <br /> intervals of about 5 feet within the unsaturated zone. The <br /> boring will be completed as a 4-inch-diameter groundwater monitoring <br /> well . The well will be installed in accordance with the requirements <br /> of California Administrative Code Title 23 , Chapter 3, Subchapter <br /> 16. A schematic showing the monitoring well details is attached <br /> as Plate 1 . <br /> f We propose to conduct our services on May 20 , 1986 . If you have <br /> any questions , please call . <br /> Yours very truly, <br /> Subsurface Consultants , Inc. <br /> R. William Rudolph <br /> Vice President MAY 19 10 <br /> JNA: RWR: l me ENWROMENTAL WALT" <br /> Attchments : Plate 1 PERMlT/SERVIM <br />' Subsurface Consultants, Inc. <br /> i <br /> 171 12th Street • Suite 201 • Oakland, California 94607 • Telephone 415-268-0461 <br />