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above the saturated zone (water table} in the native soils <br /> immediately around the perimeter of the <br /> excavate <br /> doarea. <br /> The <br /> depth to groundwater is approximately 10 e <br /> ce <br /> grade. The soil <br /> borandswi <br /> loc11 be <br /> al guideiinesed in accordance with <br /> the federal, s <br /> 3. Sample soils in each well and soil boring at 5-foot intervals <br /> using a California-Modified split spoon sampler and <br /> qualitatively analyze the headspace for volatile organic <br /> compounds. A Photoionization meter will be used. The samples <br /> with the highest headspace reading will be sent to the <br /> analytical laboratory and analyzed for Total Petroleum <br /> Hydrocarbons (as gasoline)/BTEX, EPA Method 8015/8020, <br /> ds, EPA Method 8010, TPH (as diesel) , <br /> Purgeable Dramatic Compoun <br /> EPA Method 3510-8015, Oil <br /> and Greaser Standard EPA Method 010 and zinc method 552 <br /> F, Purgeable HAlocarbons, <br /> nickel, chromium, and lead. <br /> 4. Collect a soil sample of the saturated zone immediately above <br /> the thatter ng <br /> sampler to <br /> brass <br /> collect the sample. <br /> 5. Provide for the analysis of TPH(g)/STEX, TPH(d) , Purgeable <br /> Halocarbons, and Oil and Grease for these saturated zone <br /> samples. <br /> erval that may re6. Collect a samnal <br /> change and aY ze its headspace for possiblesent iaboratory°logy <br /> analysis. <br /> color, plasticity, consistency, <br /> 7. Record soil or rock type, <br /> size, soil classification (Unified <br /> sorting, roundness, grain <br /> Soil ClassifyCatian resented in at boring 1 g for ature content and ter level. <br /> These data will be p <br /> 8. upon collection of the water samples, a State-certified <br /> asoline / <br /> analytical laboratory will analyze them for <br /> TPH( as gasoline) <br /> BTEX, oil and Grease, TPH (as diesel) ,chromium and Lead. <br /> omatic <br /> Compounds, and zinc, cadmium, nickel, <br /> 9. Survey wells to a common datum and establish a map detailing <br /> the exdlimitsgroundwater <br /> theflow <br /> eontaminantdirection <br /> plume,define the <br /> approximate <br /> 10. Provide for a survey of nearby wells with in one-half mile <br /> radius of the site. <br /> 11. aminationoassessment itosthe rsJCPHS-EHDthis esubsurface <br /> Reprt of and the central <br /> contain <br /> cont <br /> Valley Regional Water Quality Control Board for their review.. <br /> PAGE 4 OF 5 <br /> H:\APPS\wP51\T0K\275GRNTLN WRKPLN <br />