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w <br /> I <br /> OC'EQI cx:tC 1NVFSTIrA1'tnm <br /> j F�oroa Company,U.S.A. <br /> Retail Stora 7.3708 <br /> 2705 Country dub.Boulevard <br /> ° Swcltton.California <br /> Nita Projea No.40.91438 <br /> Page 4 <br /> 3 <br /> Groundwater was encoantered at approximately 17 feet below grade. Methods used to drill the soil borings <br /> and collect soil samples are described in Appendix A <br /> F One soil sample collected from the saturated zone was submitted for sieve analysis. Siwe test data and a <br /> -. gradation curve are included in Appendix C. <br /> 3.2 34ion torin Wells <br /> ,., <br /> Monitoring wells MNV-1,MW-2, and MW-3 were constructed of 4-inch-diameter,Schedule 40 polyvinyl <br /> chloride(PVC)rasing. Monitoring well construction details are included in Appendix D. The monitoring <br /> Appendix A.A. A ground <br /> wells were developed and sampled in accordance with the.methods described in Appe <br /> ymitted for laboratory analysis of beatene, toluene. <br /> water sample was collected from each well and sa <br /> ethyibenzene, and total xylenes (BTE'P,and total petroleum hydrocarbons (TPR) as gasoline by U.S. <br /> Environmcatal Protection Agency(EPA)and California Department of Health Services(DHS)approved <br /> methods. <br /> ,-I Depth to ground water in the monitoring wells was measured on Augtst 23 and 29, 1991. Ground water <br /> level measurements indicate the direction of.ground water[low across the site is to the northeast with a <br /> gradient of approximately 0.002-fact per foal. Ground water level measurements are compiled in Table Z <br /> Aground water elevation contour map,prepared from the data recorded on August 29, <br /> 1991,is included as <br /> Fguic 4. <br /> x <br /> c ' <br /> w <br /> r <br /> t <br /> liPT00'wAP <br /> t. <br /> 5 <br /> ..r <br /> i- <br />