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e 1 <br /> Groundwater Monitoring atg and Analytical Results <br /> Chevron Service Station#9-2033 <br /> 508 West Charter Way <br /> Stockton,California Analytical results are in parts per billion(ppb) <br /> Vertical Measurements are in feet <br /> Total <br /> Well Ground Depth <br /> DATE Read Water To Notes TPH Benzene TPR+ Benne Toluene Ethyl- Xylenes MTBE EPA 1,2-DCA Phenol Oil& Cr Cd Pb Ni Zn <br /> Elev. 'Eley, Water Diesel Gw*fine Benzene 8270 Grease <br /> MW-2(cont) -- -- <br /> 02/17/99 926 -972 1898 -- <50 15 <0 5 <0 5 <0 5 2 6 - -- "" <br /> 05/25/99 926 -939 1865 -- <br /> -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 -- - - - " <br /> 08/18/99 9 26 -1089 2015 -- <br /> -- <50 <0 5 <0 5 <0 5 <0 5 <2 5 <br /> 05/31/00 926 -9 02 1828 -- -- <50 <0 50 <0 50 <0 50 <0 50 <2 5 �= ._ -- -- -- -- -- -- -- <br /> 08/14/00 9 26 -1005 19.31 -- <50 <0 50 <0.50 <0 50 084 <2 5 <br /> i <br /> MW-3 <br /> 03/23/95 948 -2376 33 24 -- -- -- -" <br /> -- -- -- -- -- -- -- -- <br /> 05/26/95 948 -2103 3051 -- -- 44,000 2,900 4,600 660 5,100 -- -- 17 -- - -" -` <br /> -21 13 30 61 -- 31,000 2,400 2,900 700 3,600 - <25 <br /> 68/15/95 9 48 -- <br /> -21 34 30 82 28,000 1,200 2,700 750 3,700 - - - -- - <br /> i 1116195 9 48 -- <br /> -- 9,100 850 480 2,400 570 -- <br /> 02/27196 9 48 -18 54 28 02 -- -- -- <br /> 05/15/96 948 -17 19 2667 -- 8,500 990 430 190 390 <250 -- - - <br /> 08/22/96 948 -1755 2703 -- -- <br /> 10,000 1,300 770 310 690 <125 - <br /> 11/25/96 948 -1761 2709 7,600 670 150 160 200 <50 - -- - - -- <br /> 05/19/97 9 48 -1367 2315 -- -- 9,000 1,100 320 250 450 <50 <br /> 08/21/97 948 -14 32 2380 -- <br /> -- 7,100 800 180 150 250 180 -- - -- - -" - "- <br /> 11/17/97 948 -1565 25 13 -- <br /> -- 15,000 1,400 670 370 1,100 140 <br /> 11/17/97 9 48 -15 65 25 13 EPA 8260++ -- -- -- -- <br /> 02/09/98 948 -1308 2256 -- -- 820 50 18 t4 11 26 -- <br /> 05/21/98 907 -963 1870 " <br /> _ 1,100 33 <5 0 <5 0 19 <25 "- <br /> 05/21/98 9 07 -9 63 1870 EPA 8260++ -- -- -- -- -" 10 <br /> - - <br /> 08/11/98 9 07 -9 41 18 48 -- -- <50 <0 5 <0 5 <0 5 <0 5 <5 0 <br /> 1110919$ 907 <br /> 40 49 1956 -- 1,300 130 15 18 44 <2 5 <br /> -- <br /> 02/17/99 9 07 -962 1869 -- -- 2,000 190 <2 5 7 8 15 94 - <br /> ++Ethanol,TBA,DIPS,TAME and ETBE by EPA 8260 were not detected,see tab report for detection limits <br /> *Top of casing elevation altered due to wellhead maintenance on May 21,1998 <br /> 9-2033 xls/#386847 3 As of 08/14/00 <br /> I <br />