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GD <br /> 3 <br /> Color Spot Lodi, Inc. <br /> March 28, 1989 <br /> The GC-PIA i.s manufactured by Photovac International (model IOS70) <br /> and is equipped with a C.53 millimeter-wide-bore capillary column, an isothermal <br /> oven for colum-1 temperature control (40"C), and a 10.6 electron-volt (the <br /> ev) <br /> P7D. The D is calibrated to <br /> n a <br /> ultraviolet light toug�E}{land TVPH of known <br /> concentrations. Field zblanks ene dwill <br /> sample referenced <br /> be analyzed through the sampling equipment to test for residual contamination <br /> prior to taking the first sample <br /> taand d betweenperiodicallysamples using the s a�trisodium <br /> ` sampling equipment <br /> phosphate (TSP) detergent wash, followed by a tap water rinse. The presence or <br /> a sence of organic vapors in the subsurface will be used to assist in Locating <br /> U the soil borings to be drilled in the following phase. <br /> TASK 3 _ REPORT PREPARATION <br /> Prepare a technical report documenting the method of investigation, <br /> and findings of the vapor survey including recommendations for additional site <br /> assessment as necessary. <br /> s' <br /> , <br /> h <br /> f <br /> f <br /> GH.is/31 ,1�4 <br /> F � <br />