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1386 EAST BEAMER STREET <br /> E ER1V WOODLAND, CA 95776-6003 <br /> GEO-ENGINEERS r t-NI AL HEALTf1 FAX (916) 662-0273 <br /> CALIF CONTRACTOR#513857 A CORIR&D -,' J'- . �'f� �' (916) 665-5300 <br /> REGISTERED GEOLOGISTS �q_3 jU 2� PM 2-: 02 <br /> San Joaquin County 7/15/94 <br /> Public Health Services <br /> P.O. Box 2009, <br /> Stockton, California 95201 <br /> Attn: Ms . Linda Turkatte <br /> ARE: , USA Gasoline Corporation, Station #65 2500 West Lodi Avenue, <br /> -Lodi, California. - <br /> Dear Ms . Turkatte : <br /> Thank you for bringing my error to attention. MW8 elevation was <br /> misread 37 . 871 , this elevation is for S2 . It should have been <br /> 37 . 75' . Again, Thank you for noticing this . <br /> While reviewing the survey data, I discovered another item for <br /> which was inadvertently overlooked. As a check while surveying <br /> MW8 , the surveyor also shot the elevation of S2 . His elevation <br /> for S2 was 37 . 87' , the original elevation of S2 was 37 . 76 feet . <br /> This difference in surveyed elevation for S2 from the February, <br /> 1993 MW8 survey and the original well survey indicates that in <br /> order to maintain consistency at the site, the elevation of MW8 <br /> will have to be normalized to the original well survey. <br /> S2' <br /> MW8 <br /> Original Survey 37 . 76' <br /> Recent Survey 8 . 37 . 75' <br /> To be on track will all <br />-.� Di_fference _ <br /> 37 . 64' Corrected <br /> r <br /> This data correction is in the addendum letter to the June, `71994 <br /> Quarterly report, current table and is reflected in the revised <br /> ground water gradient maps generated since data has been obtained <br /> from MW8 . <br /> Sincerely, <br /> G� n - <br /> Vern A. Bennett <br /> Project Geologist <br /> t � <br />