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TABLE 1 <br /> GROUNDWATER MONITORING DATA <br /> Former Beacon Station No 12419 <br /> 2350 Waterloo Road,Stockton,California <br /> ethyl Depth to TOC GW <br /> Well :ns <br /> benzene toluene benzene xylenes MTBE DIPE ETBE TAME TBA methanol ethanal DCA EDS GW Elevation Elevation <br /> Number Date u IL u 1L u 1L u !L u 1L u 1L u R u IL (ug.11-) u IL R u 1L u 1L feet feet sea level feet sea level Comments <br /> MW-9 11112198 ns ns ns ns ns ns ns ns ns ns ns ns 115 2065 wellhead survey <br /> screened 12130198 1500 73 18 160 64 <25 0 no no na no no no no no 4559 2494 siighl odor I no sheen <br /> interval 03126/99 1300 54 58 110 15 <0 50 <0 50 <0 50 <0 50 11 <50 <50 no no 4139 2074 no odor 1 no sheen <br /> 41 66 06/02/99 1300 16 25 76 24 <0 50 <0 50 <0 50 <0 50 13 <50 <50 16 <0 50 4074 2009 no odor 1 no sheen <br /> 08131199 2400 140 21 460 280 055 <0 50 <0 50 -050 93 <50 <50 42 <0 50 4562 2497 no comment <br /> 12109/99 1600 86 65 200 62 079 <0 50 <0 50 <0 50 10 <50 <5 0 1 3 <0 50 4726 2661 <br /> 02121100 1900 50 18 100 60 055 <0 50 <0 50 <0 50 10 <50 88 95 <0 50 4581 2516 slight odor 1 no sheen <br /> 05118/00 790 96 081 76 21 <0 50 <0 50 <0 50 <0 50 12 <50 <5 0 no na 4089 2024 slight odor 1 no sheen <br /> 09/26100 680 1 1 <0 50 31 087 <5 0 no no no na no no na na 4895 2830 slight odor/no sheen <br /> 12121100 1400 16 1 1 40 120 <50 no no no na no no no no 4762 2697 slight odor I no sheen <br /> 03!27101 1700 61 14 23 220 <50 no no no no no no no na 4637 2572 slight odor I no sheen <br /> 06/26101 390 51 065 44 27 <0 50 <0 50 <0 50 <0 50 85 <50 <5 0 68 <0 50 4899 2834 slight odor I no sheen <br /> 09105!01 419 1 1 <0 50 <0 50 46 -50 no na no no no no no no 5411 3346 no odor 1 no sheen <br /> 11/30/01 750 72 14 31 15 <5 0 no no no no no no no no 5411 3346 no odor 1 no sheen <br /> 02127/02 850 12 35 14 23 <5 0 no no no no no no no no 5078 3013 no odor 1 no sheen <br /> 05116102 1100 72 10 31 67 <0 50 <0 50 <0 50 <0 50 58 <50 <50 12 <0 50 5092 2221 2871 no odor 1 no sheen <br /> 09/13/02 2800 110 33 130 200 <50 no no no no no no no na 5908 3687 slight odor 1 no sheen <br /> 12104/02 980 31 15 21 39 <50 no no no no no no no no 5734 3513 odor 1 no sheen <br /> 02117/03 900 20 14 42 26 <0 50 no no no no no no no no 5408 31 87 no odor 1 no sheen <br /> 06103/03 2800 140 1 7 130 120 <0 50 <0 50 <0 50 <0 50 58 <50 <50 15 <0 50 5347 31 26 no odor I no sheen <br /> 09118/03 2800 430 23 79 170 <50 no no no na no no no no 5991 3770 no odor 1 no sheen <br /> 11124/03 1800 190 27 19 76 <0 50 no no no no no na no no 5866 3645 no odor 1 no sheen <br /> 02123/04 1200 40 075 77 59 <0 50 <0 50 <0 50 <0 50 6 7 <50 <50 26 <0 50 5515 3294 odor 1 no sheen <br /> 06107104 2200 420 57 44 92 <10 no no no no no no no no 5657 3336 odor!no sheen <br /> 09/07/04 1800 230 25 51 140 <1 5 no no no no no no no no 61 96 3975 oda 1 no sheen <br /> 12/10/04 2100 290 13 23 37 <5 0 no no na no no no no na 5961 3740 odor 1 no sheen <br /> 03109/05 1000 12 <0 50 21 14 <0 50 <0 50 <0 50 <0 50 65 <50 <5 0 29 <0 50 5600 3379 oda 1 no sheen <br /> 05124/05 830 20 061 45 <0 50 <5 0 no no no no no na no no 51 11 2890 oda 1 no sheen <br /> 08131/05 300 90 <Q 50 38 35 <5 0 no no no no no no no na 5618 3397 no odor 1 no sheen <br /> t7ggm- 1 J <br /> pRy,a P&13 HORMON Rl7VIR6 AL Ime <br />