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r I I <br /> DU PONT ENVIRONMENTAL REMED)ATION SERVICES <br /> 7068 Koll Center Parkway,Suite 401 <br /> ' Pleasanton,CA 94566 <br /> (4 15)462.7772 <br /> Fax:(415)462.7944 <br /> r d Ultramar Inc. November 21, 1990 <br /> ' ' 525 West Third Street Job mo. 90-Q13-134 <br /> r <br /> Hanford,California 93232 <br /> AT ENTIbN: Mr. Glenn R. Dembroff <br /> Manager, Marketing Environmental <br /> _i SUBJECT: <br /> Quarterly Ground-Water Sampling Report <br /> Third Quarter 1990 <br /> r i Ultramar Station 696 <br /> - 800 East Highway 12 <br /> Lodi,California l <br /> Dear <br /> Mr, Dembroff: <br /> RODUCTIOIIT <br /> This report presents the results of the quarterly <br /> Ultramar Station 695 ! q y Found-water sampling which was conducted at the <br /> ' orated at 800 East Highway 12, Lod' <br /> Figure 1), on October 4, 1990. The u b California see the <br /> �^s extent of hydracarbon contamination �hee of this sam lin t dation Map, <br /> sampling program is to monitor and evaluate the <br /> ground water at the subjectro e <br /> p p rt3r. <br /> rs` $U� MMARY <br /> x A sutnmary of data regarding <br /> The ground-water levet has ropped 3.09 feet inlMground-water leves <br /> or the <br /> sthirdt19 0 quarter is presented in <br /> q Table A. <br /> monitor wells were dry,therefore,a au - last quarterly sampling, <br /> Water Elevation Ma Fi nd water gradient could not be established(see the Grounds <br /> P, Ce 2). Chemical analytical results indicate concentrations o <br /> r hydrocarbons have decreased in <br /> Presents:the benzene concentration f0 since Iasi quarter(see Table B and A end e°taipetrcleum <br /> scheduled for fourth quarter sampling duringDecember gg ound water for the site.Aj Figure 3 1 <br /> e <br /> This site is <br /> - <br /> Have a sale day, <br /> DU PONT ENVIRONMENTAL <br /> REMEDIATION SERVICES <br /> f <br /> I� <br /> I I <br /> 4 James A.Lehrman . <br /> k <br /> Project G David J.Blunt <br /> eulogist Registered Geologist, RG 4516 obert A. Katin,PE, REA <br /> t .. %y <br /> Project Manager r <br /> r 1 <br /> ' better Things For Better Living { <br /> ad jr 41: f t <br /> k: W <br />