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} TABLE 2 CUMULATIVE ANALYTICAL RESULTS -GROUNDWATER San Joaquin County Courthouse,222 E Weber Avenue Stockton,California OXYGENATES SAMPLE DATE ETHYL LOCATION SAMPLED TPH G BENZENE TOLUENE BENZENE XYLENES INITSE RIPE ETRE TAME TBA 11,2 DCA 6 1 02/03/01 120 24 ND<O 5 52 15 6 8 ND<0 5 NDN 5 N010 5 ND<5 NA B 2 02/03101 36 000 1 700 4 600 1 400 5 900 26 ND<s ND<5 NDcS N0<50 NA B 3 02/03/01 ND<50 1413<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<0 5 24D<0 5 ND<5 NA Mw 1 07124/02 27,000 1,800 4,300 1,600 5,200 45 ND<5 ND<5 ND<5 ND<50 ND<5 11125/02 25,000 1,000 2,400 1,200 3,700 19 ND40 5 ND<0 5 ND<0 5 ND<5 NA 0019103 18,000 1,200 1,300 1 000 3,200 140<5 NO'S NDe5 ND<5 ND<50 ND<5 05/09103 11,000 860 430 980 2,600 ND<5 ND<5 ND<5 ND15 ND<50 ND<5 09/12/03 21,000 1200 79 1 300 4,400 15 ND<5 ND<5 NDK5 ND<50 ND<5 12/11/03 16,000 1,900 170 1,800 4,600 20 ND<5 1%10<5 1 N13<5 NDe50 ND<S 03/24/04 29,000 1,900 280 2,000 fi 800 13 NO'S 1413<5 NO<5 ND<50 ND<5 i 06/18/04 11,000 770 35 940 2,600 10 NDc5 ND<5 NDe5 ND<50 ND<5 08119104 $700 420 ND-20 670 1.200 77 ND<5 ND<5 ND<5 ND<50 ND<5 12/30/05 4,700 370 10 480 680 ND<5 ND45 NDe5 ND 03/23/05 6,100 640 57 680 1,400 65 ND<5 ND<5 ND<5 ND<50 ND<5 06/29/05 11,480 129 294 790 218 ND<5 ND<5 Nb<5 ND<S ND<50 ND<5 09/21105 919 102 ND<25 141 159 1,10<5 ND<5 ND<5 ND15 1%113<50 ND<5 12130,05 727 1 646 1 27 491711 498 1 27 1 NDN b ND<0 5 ND<D 5 ND<5 ND<0 5 MW 2 07/24/02 1413<50 NN0 5 NDN 5 ND<0 5 1,4041 ND<0 5 ND<O 5 ND<0 5 ND<0 5 ND<5 ND<0 5 11!25102 ND<50 ND<0 5 ND10 5 ND<0 5 ND<1 ND<O 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NA 1 02/19/03 ND<50 NO<0 5 ND<0 5 ND<0 6 ND<1 ND<O 5 ND<o 5 ND<O 5 NDN 6 ND<5 NDN 5 05/09/03 NO<50 NDcO 6 ND<0 5 ND<0 5 NO<t ND<D 5 ND<O 5 NDN 5 ND<O 5 ND<5 NDN 6 09112103 ND<SO ND<0 5 ND<0 6 NO<0 5 ND 1214V03 ND<50 ND<0 5 ND<0 6 140406, ND<1 ND<D 5 ND<0 5 ND<0 5 NDN S'40 ND<5 ND<0 5 03!24104 NOT SAMPLED DUMPSTER OVER WELL 06/16104 NDe50 ND<0 5 1`413<0 5 NDN 5 ND 08!19104 ND<5D NDN 5 ND<0 5 ND<0 5 ND-11 17 ND<0 5 NDe0 5 ND<O 6 ND<5 ND<0 6 12!30105 ND<50 ND<0 5 ND<0 5 NDN 6 NDO 23 ND<0 5 ND<0 5 ND<0 5 ND<6 ND-0.5 03/23/05 ND<50 1,413<0 6 ND<0 5 ND<0 5 ND<1 29 NDN S ND<0 5 ND<O 5 ND<5 ND<0 6 06129!05 ND<50 NDN 5 ND<0 5 ND<O 5 ND<t 37 NDN 5 NDN 5 NtX0 5 ND<5 NDN 5 09721105 ND150 ND<0 5 ND<O 5 ND<0 S ND<7 42 NDKO!iND<O 6 ND<0 6 ND<5 ND<O 6 12730/05 ND<60 ND<0 5 ND<0 5 NDeo 5 ND<1 41 ND<O 5 NDN 5 ND10 5 ND<5 ND<O 6 C o'5 !ANI-S 07124/02 ND<50 ND<0 5 ND<O 5 NO<O 6 ND<t ND<0 5 ND<0 5 ND<0 5 ND<0 5 ND<5 NDeO 6 11/25/02 ND<50 ND<0 5 ND<0 5 ND<0 6 NEW ND<O 6 ND<0 5 ND<D 5 ND<OZ ND<5 NA 02/19/03 ND<50 ND<0 S ND<0 5 ND<O 5 ND<1 ND<0 6 NDN 5 ND<O 6 Nb<O 6 NO<$ I D<D 5 05709703 Nb<SO 1,113<0 5 ND<0 5 ND<0 S ND<t ND<0 5 ND<O 6 NDN 5 ND<O 5 1410<5 ND<O 5 09/12703 ND<50 ND<0 5 ND10 6 No<5 ND<1 ND<0 5 ND<0 5 NDN 5 ND<0 5 N9)<5 ND<O 5 ' 12711103 ND<50 ND<O 5 NDN 5 NDN 5 ND<1 ND<0 5 NDN 5 ND<0 5 ND<O 5 ND<6 ND<O 5 03724!04 ND<50 ND<O 6 ND<0 6 ND<0 5 ND41 05 ND<0 b ND<O 5 NDN 5 ND<5 NCKO 6 06/18704 ND<50 ND<O 6 ND<O 5 ND<0 5 ND<7 42 ND<0 5 ND<0 S ND<0 5 ND<5 ND<0 5 08/19/04 1,111<60 ND<0 6 ND<0 5 ND<D b ND<l 59 N040 6 ND<O 6 ND<O 5 ND<5 ND<0 6 12130705 ND<50 ND<O 6 ND<O 5 ND<O 5 ND<1 67 N9)<0 5 ND<0 5 ND<O 5 NO<5 ND-D 6 03/23/05 ND<b0 ND<0 6 NDN 5 ND<0 6 ND<l 60 ND<o 6 ND<0 5 NDN 6 NDe5 NDN 5 06729/05 ND<50 ND<0 5 NDN 5 ND<0 5 140<1 57 NDN 5 ND<O 5 ND<O 5 ND<5 ND<0 5 (19/21/05 ND-60 ND<0 5 ND<0 5 NO<O 5 ND<7 42 ND<0 b 1 ND<0 5 1 ND<0 5 ND<6 ND40 5 12130!05 Nb<5o Nb<0 5 NDN 5 ND<0 5 ND<1 2.8 ND<O I ND<0 5 1 ND<0 5ND<5 N0<0 6 NOTES All result,,are reported In micrograms per Ile,(ugl)whlch translate.to parts per billion(ppb) Total Petroleum Hydrocarbons as Gasokw(TPH-G)and benzene token ethylberizene xylenes(BTEX)analyzed by EPA Method 002018015M or 02608 Oxygenates methyl4-butyl ether(MTBE),di4sopropyl ether(RIPE) ethyl t4wtyl ether(ETRE) tert-amyl methyl ether(TAME)and tort-butenol('TEA} analyzed by EPA Method 82608 1 2-dIchloroethane(1 2-OCA)0150 analyzed by EPA Method 82608 ND<50=Not D@tected at reporting Omit of 50 ppb NA=Not ane yzed for specified compound left