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EXECUTION OF THE TANK REMOVAL SAMPLING <br /> Personnel from our office were present at the subject site for the tank <br /> removal on Tuesday, November 1, 1988. <br /> TANK TANK SIZE TANK MATERIAL OF INSPECTION <br /> I.D. IN GALLONS CONTENT CONSTRUCTION FOUND <br /> A 1,000 GASOLINE STEEL HOLES <br /> The subject site is located within the overall jurisdiction of the Regional <br /> Water Quality Control Board -- Central Valley Region. Initial inspection <br /> and evaluation of the site is customarily conducted by the local implementing <br /> agency (LIA), which in this case was the San Joaquin Local Health District. <br /> The local implementing agency was represented by Ms. Kasey L. Foley who was <br /> present to observe the tank after its removal and the sampling which followed. <br /> In accordance with the local regulations and the field judgement of the LIA <br /> representative, a detailed inspection was conducted in which the gasoline <br /> tank was visually inspected and likely failure points were probed with small <br /> pointed metal examination tools. The inspection found holes in the tank. <br /> Under the direction of Ms. Foley, one standard interface sample was obtained <br /> from beneath the fill end of the tank at a depth of 13' below grade. <br /> The location of individual sampling points is shown on the diagram on page <br /> three. Additional information on the exact method of sample collection will <br /> be found in the SAMPLING METHODOLOGY section of this report. <br /> After completion of the field work, the sample containers were delivered to <br /> Sequoia Analytical Laboratory in Redwood City, California. Sequoia Analytical <br /> Laboratory is a California Department of Health Services certified Hazardous <br /> Materials Testing Laboratory and is listed as DOHS HMTL #145. <br /> Sampling Report 88306-M-2 AL WILLIAMSON page 2 <br />