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J. H. KLEINFELDER &ASSOCIATES File No. W-2005-1 December 2, 1985 - Page 5 sealed and placed in a refrigerated container. The water sample was delivered to California Water Labs along with a chain-of-custody form, a copy of which is included in the Appendix of this report. Wells ,MW-2 and MW-4 were developed and sampled with a bladder pump. Water samples were collected in one liter bottles supplied by the testing labo_atory and the sample was immediately sealed and placed in a refrigerated container. The water sample was delivered to California Water Labs along with a chain-of-custody form, a copy of which is included in the Appendix of _. this report. �- E. Analytical Results One soil sample collected from the boring for MW-3 at 40 feet and one soil sample from the boring for MW-4 at 40 feet was analyzed by California Water Labs w for purgable aromatics (method 602) and Z:ID Hydrocarbon Scan. Water samples from MW-2, MW-3, and ,MW-4 were also analyzed for purgable aromatics Olethod 602) and FID Hydrocarbon Scan. The results of the chemical analysis of the soil and water samples are presented in the Appendix and summarized on Table I. i F. Hydraulic Gradient/Ground Water Flow Direction r Hydraulic gradient and ground water flow direction was determined from the four monitoring wells. On October 25, 1985, George Nolte Engineers surveyed the elevations of monitoring wells. On October 28, 1985, depth to ground water was measured in the four monitoring wells. EIevations of the water table in the four wells indicate a current ground water flow direction to be to the southeast with a gradient of approximately 6/10 of an inch per 10 feet. Information is not available on historical changes to the local gradient. Plate VI shows ground water flow direction estimated from water table elevations of the four wells. r.