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sigiss-I <br /> gg <br /> N , yNn gx :tea + _ _ � <br /> Ya• <br /> ry <br /> Quik Stop Market No. 132 <br /> Job No. 349132-31 August 28, 1990 <br /> Page 5 <br /> s� <br /> Groundwater Sampling <br /> f Before sam lin <br /> P g groundwater, an Exceltechgeologist will field-check the monitoring <br /> F wells with an interface probe or a clear acrylic bailer to check for the presence of free. <br /> floating product. In monitoring wells where no floating <br /> Will be purged of a minimum of 4 well casingvola <br /> mes of product is observed, each well <br /> «, sampling. Purged water will be placed in Departent of Transportationw17E before rums. <br /> All important well sampling information will be included in the final re rums. <br /> information will include pH, temperature, conductivity, and water volume report. The <br /> f moved. <br /> i Samples will then be collected with a clean Teflon bailer and transferred to a <br /> Iaboratory-supplied bottles.. The samples will be analyzed for TPHG• benzene, <br /> c� ethyl benzene, and xylenes (BTEX); total lead, and organic lead. Each bottle toluene, <br /> labeled and logged on a chain-of-custody form and placed in a cooler contain'a will be <br /> o <br /> transport to a California-certified laboratory. Appendix A includes the Exceltech ell for <br /> r Groundwater Sampling protocols. ech <br /> ] 1 <br /> Soil Sampling Beneath Underground Storage Tanks <br /> G ► + Exceltech will attempt to sample the soil beneath moth the east ant the <br /> fuel storage tank complex. A narrow copper i e will be affixed t.o the end of a <br /> PPe p p west side of the <br /> and driven into the soil beneath the tank complex. It is anticipated that a narrow may be collected be either driving a collection device arrow core <br /> first inserting a 2-inch PVC pipe to the base of tile tbackfilltand then backfillorby <br /> # sampling devise through the PVC to the native soil below. <br /> ►�+ g the <br /> REPORT <br /> Exceltech will prepare a site investigation reportresen <br /> investigation. The report will include: <br /> P tmg the findings of the <br /> Field procedures for exploratory borings. <br /> is • Results of anaily'lieal testing. <br /> i A site map showing features relevant to the investigation. <br /> • Boring logs for each exploratory boring drilled by Exceltech. <br /> rA� Construction details of the groundwater monitoring well. <br /> Concentration contour maps of soil contamination <br /> • Interpretation.of data. rf applicable. <br /> ........:. <br /> . ..... ..... ...... <br /> • Recommendations. <br /> t� <br /> �r <br /> � f . <br />