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HAQU <br /> NMI-, <br /> W <br /> April 5,1991 <br /> Page 14 <br /> she Assessment Report <br /> 139 South Ce,-Iter,Stockton,CA <br /> SABLE 3-GROUNDWATER SAMPLE ANALYSES RESULTS Y <br /> MARCH 5,1881 <br /> OWL- XYLENES TPH-AS- <br /> WELL 13£!,�E TOLUENE BENZENE GASOLINE <br /> NO. 62 47 1,400 <br /> MW-1 250 13 33 290 <br /> MW-2 140 @.0 0 D ND ND <br /> ND N <br /> r„ MW-3 0.5 ND ND ND <br /> MW-4 ND NO <br /> Shown In parts per billion (PPb) <br /> lection Limit(MIX) <br /> compound not detecib 8t Method erolu�ne MDL .5 ppb <br /> Benzene MDL ppb <br /> Xylerws MDL .5 ppb <br /> Ethyibenzene lineDN�OL a 50 ppb <br /> TPH-as-9 <br /> i <br /> SIEVE ANALYSIS <br /> .., ted zone pe the <br /> h icai <br /> testing from the satin penetrated <br /> bythe <br /> Soli samples were collected for p ys a s formation dsrR+ed from these soli ' <br /> t ' 2 prtd MV14. Sieve-wt se <br /> t,+ s of manttorini I wells,MW- roximately f�fOet below grade,are ; <br /> boring <br /> maples.taken from sandy Intervals in the saturated <br /> zone aFa <br /> i <br /> Appendix G. <br /> presented In i <br /> SUMMARY AND CON"UStOHS <br /> i <br /> indicate tat the underiying <br /> Station No.9-0557 j <br /> ! Data cofiected from former Chevron Service nal lenses of gravally sands. <br /> ,and clays,with occaskx <br /> S14 ctays andapproximately 32-feet below sea level. <br /> sediments insist of clayey si�'oximately 4,5-feet below grade,or aplx well pumping <br /> Groundwater Is present at app � ,5ed by municipal ; <br /> due+a a Done of depress• <br /> The low groundwater water level may ars to be in an ujX*n`ined condition. s <br /> r*rtheast of ft site. The groundwater appe <br /> 1 <br /> r <br /> � ....#�'�.GROUNO,ATER <br /> _;TEcHN4tAG ,INC. <br /> f;. <br />