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Cumulative Table 0f Well Data and Analytical Results <br /> Vertical Measurements are In feet Anal ical results are In arts r billion b <br /> Well- Ground Depth - Toa _..,. <br /> DATE Head Water To Notes TPH-Benzene Toluene Ethyl- Xylene TPH- MTBE EPA 1,2-DCA Phenol Oil& Cr Ca Pb NI Zn <br /> Elev Elev Water Gasoline Benzene Diesel 8270 Grease <br /> 03/23/95 948 -2376 3324 <br /> 05/26/95 948 -21 03 3051 -- 44,000 2900 4600 660 5100 -- -- -- 17 <br /> 08/15/95 948 -21 13 3061 - 31,000 2400 2900 700 3600 -- -- -- <25 -- -- -- -- -- __ <br /> 11/16/95 948 -21 34 3082 -- 28,000 1200 2700 750 3700 <br /> 02/27/96 9 48 -18 54 28 02 -- 9100 850 480 2400 570 <br /> 05/15/96 948 -1719 2667 -- 8500 990 430 190 390 -- <250 <br /> 08122/96 948 -1755 2703 - 10,000 1300 770 310 690 -- <125 <br /> 11/25/96 948 -1761 2709 -- 7600 670 150 160 200 -- <50 -- -- - -- -- -- __ ._ <br /> 05/19/97 948 -13 67 2315 -- 9000 1100 320 250 450 -- <50 <br /> 08/21/97 948 -1432 23 80 - 7100 800 180 150 250 180 <br /> 11/17/97 948 -1565 2513 -- 15,000 1400 670 370 1100 -- 140 <br /> 11/17/97 948 -1565 2513 EPA 8260++ -- -- -- -- -- <33 -- -- -- -- -- <br /> 02/09/98 9 48 -1308 2256 820 50 18 14 11 -- 26 <br /> 05/21/98 907 -963 18 70 1100 33 <5 0 <5 0 19 -- <25 <br /> 05/21/98 907 -9 63 18 70 EPA 8260++ -- -- -- -- -- _. <10 <br /> 08/11/98 907 -941 1848 -- <50 <0 5 <0 5 <0 5 <0 5 -- <5 0 <br /> 11/09/98 907 -1049 19 56 -- 1300 130 15 18 44 -- <2 5 <br /> 02/17/99 907 -962 1869 -- 2000 190 <2 5 7 8 15 -- 94 <br /> 05/25/99 907 -942 1849 -- 4700 610 23 70 210 -- <50 <br /> ++Ethanol,t-Butanol,DIPS,TAME and ETBE by EPA 8260 were not detected,see lab report for detection limits <br /> Top o1 casing elevation altered due to wellhead maintenance on May 21, 1998 <br /> Blaine Tech Services,Inc 990525-R 1 2nd-0 1999 Monitoring at Chevron 9-2033 508 W Charter Way,Stockton,CA 3 <br />