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BLAINE 985 TIMOTHY DRIVE <br /> a SAN JOSE, CA 95133 <br /> (4013) 995-5535 <br /> TECH SERVICES INC. FAX(408) 293-8773 <br /> +, 1 Amt 31, 1995 <br /> Brett hinter k <br /> Chevron U.S.A..Products Company <br /> P.O.Box 5004 <br /> San,Ramon, CA-94583-0804 <br /> 3rd Quarter 1995 ltiinlittng#>et:9 'l� <br /> i Third Quarter 10§ Groandwater'MoM ng Vit. <br /> f Chevron service Slaty Number'9-055 <br /> 139 Soutlt'Center Street <br /> . Stockton,'CA <br /> Monitoring Ff'-erformed on August 3* 1"s <br /> ;groundwater Sampling Report 950803-S-1 <br /> This report covers the routine uarterl ,-monitoring.of undW ter webs 4his Cbev ,facility. <br /> p q � . $TOrs, E � � , <br /> Blaine Tech 5eivirr'es, Inc.'s work at the.site;includes inspectipp,4 augingtz4acuatio�n, a. <br /> �f• <br /> " <br /> purgewater containment,,sample eoik&c n and,samoielia`h'•Wing�n accorda4ge.yvat� slanc;to <br /> procedures that conform to Regional Water ouahty Control Board requirements. <br /> Routine field data collection inclpdes depth to water, total,*ell d,,pth.thickness Of any <br /> sepamte <br /> immiscible lay i;`w''ater column yolume"c'Mi;ulated vole vf.athree-cue of me page, <br /> elapsed evacuation time, total volume of water removed, and standlarO watcr-panwxter <br /> instrument ftadings. Sample material is collected, contained, stored,,and transported to the <br /> laboratory in conformance with EPA standards. PurgewMer is, likewise,collected and <br /> transported to Chevron's Richmond Refinery for disposal. <br /> Basic field informa�n is presented alongside`analytical'values'excerpted front tlae laboratory <br /> report in the cum <br /> uldtive table of WELL DATA SAND. ANALYTIQAL 0SULTS.The full <br /> analytical report for the,most recent samples is located in the Analytical Appendix. 11;p table <br /> also contains new groundwater elevation calculations taken from the computer plotted gradient . <br /> map which is located in tbe:Pirofessional Engitwering.Appendik. <br /> Blaine Tech Services,Ino, deport ra. 950803-S-1 3rd 0-1995 Monitoring amhevron 9-0557 <br />