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Z,-, M1 �, <br /> " 24 1996 r r 1'F <br /> 'Januar.}' • :_, � _ I ', 4 f7„ ,:, <br /> AGE NC'Project No•95 0114 f <br /> �. r 1 ' •i pl <br /> ' . Page 4.of.b <br /> and free-of sands and fines. Development.water.was placed in properly labeled DOT,drains and;stored <br /> on-site. <br /> On 12 January 1996;'each,hew well at,tNe site,was surveyed'relative to.well MW I,'which has an �. <br /> established relative elevation. Surve data is included in Table 1. <br /> 1.7• COLLECTION OF GROUND WATER SAMPLES4 <br /> ' .-After, stabilization,�water-'samples-were collected from`-each well-using ;new d,isposable'bailers :. <br /> Immediately upon retrieval; the samp�es'were' transfefred'into.40-mlf,EPA' vials preserved with; <br /> 'hydrochloric. acid. The .samples were. traiisported in'-.a' chilled`.container to*.Alpha,A.nalytical` <br /> Laboratorie's'(AA1)in Ukiah'.California, and analyzed for TPH-sto.ddard and B'FEf,X in accordance <br /> with EPA,iiethods GCF .1/5030 aid 602,' respectively. ' <br /> 4:0: .FANDI NGS . <br /> ` ,4.l. STRATIGRAPHY <br /> Silt and clay were encountered throughout'tlie entire depths of borings MW-3R, MW-4 and MW-5. <br /> During drilligg,'saturated conditions were ej,countered in each boring:at appr6ximately.35 feet bsg: <br /> No samples were collected from any borings'at depths in excess of 40 feet:'However; auger returns <br /> indicated;the.presence of,silty sands at depths betweeii'40'and Sq:feet'in each,boring.' ;. <br /> 4:2. 'FIELD AND'LABORATORY RESULTS OF SOIL SAMPLES ; <br /> Organic vapors were not detected in soil sample.duplicafes or auger returns from the boring. Two <br /> soil�samples form borings MW4.and MW-5 and-three soil samples from MW-3R were submitted to <br /> ' -Alpha Analytical.Laboratory, Inc: (AAL) for.analysis. No'-petroleu'rn.hydrocarbons we`re was nat. <br /> detected in any of the-analyzed.soil,.sanaples, Analytical results:of soil samples;are'summaiized'in ' <br /> Table 2..,The".laboratory report and chain-of-custody for the soil samples are-included in Appendix <br /> C. ' <br /> GROUND WATER GRADIENT AND DIRECTION <br /> .,The depth to.ground water at the site was approximately 36 feet during the June-and December'1995,.. <br /> �' hsariipling everifs. Relative ground water elevations are.summarized in Table I':, <br />