ARCHIVED REPORTS_XR0008788 - Laserfiche WebLink

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! • _ TAN 1 GROUNDWATER MONITORING DATA Former Beacon Station No 12419 2350 Waterloo Road,Stockton,California ethyl- Depth to TOC GW Well TPHg benzene toluene benzene xylenes MTBE DIPE ETBE TAME TBA methanol ethanol EDC EDB GW Elevation Elevation Number Date (u L) (uglL) (ug1L) (uglL) (uglL) (uglL) (uglL) (ug1L) (uglL) (ug1L) (ug1L) (ug1L) (u 1L) (ug1L) (feet) (feet sea level) (feet sea level) Comments MW-3 03!31198 780 22 2 32 7 <5 0 na na no no no no no no 4827 2138 2689 screened 06/10/98 220 26 18 056 1 8 <5 0 na na no no no no na no 4267 21 29 interval 09!08198 3800 420 180 260 280 <0 50 <0 50 <0 50 <0 50 <50 <50 <50 no no 4721 2583 etroleum odor I no sheen 66-85 11/12/98 ns ns ns as ns as ns ns as ns as as as as 2065 wellhead survey 12130!98 620 18 099 17 14 <5 0 no no no no na na no no 4556 2491 slight odor 1 no sheen 03/26/99 63 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 56 <50 <5 0 no no 4126 2061 slight odor 1 no sheen 06102199 74 1 7 1 3 23 078 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 31 <0 50 4076 2011 slight odor 1 no sheen 08/31199 3000 270 120 260 250 <0 50 <0 50 <0 50 <0 50 69 <50 <5 0 48 <0 50 4570 -2505 no comment 12109/99 <50 17 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 12 <0 50 4722 2657 02121100 1690 160 350 43 140 <0 50 <0 50 <0 50 <0 50 <5 0 <50 10 14 64 4569 -2504 slight odor I no sheen 05/18/00 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 no no 4087 -2022 no odor I no sheen 09126100 270 92 28 15 16 <50 no no na na no no no no 4899 -2834 no odor 1 no sheen 120100 830 45 19 45 <0 50 <5 0 no no no no na na no no 4759 -2694 slight odor I no sheen 03/27/01 280 6 096 072 25 <50 no no na no na no na no 4654 -2589 slight odor 1 no sheen 06126/01 2900 270 55 160 330 <0 50 <0 50 <0 50 <0 50 56 <50 <5 0 12 <0 50 4953 2888 slight odor 1 no sheen 09/05101 18000 2700 2000 860 2200 <25 no na no no no na na na 5431 3366 slight odor I no sheen 11!30101 3500 550 23 100 270 <25 na no na no no na no no 5393 3334 no odor Ino sheen 02/27102 290 73 36 44 37 <50 na no na na na no no no 5080 3021 no odor 1 no sheen 05116102 350 42 26 71 10 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 89 <0 50 5098 2222 2876 no odor 1 no sheen 09/13102 23000 3300 1600 1200 3200 <50 na na no no no no na no 5917 3695 odor Ino sheen 12104102 2000 340 42 20 74 <20 no no no no na no no no 5725 3503 odor 1 no sheen 02117/03 1100 51 11 17 45 <0 50 na no no no na na no no 6427 3205 no odor Ino sheen MW-4 03131/98 75 <0 50 <0 50 <0 50 <0 50 <5 0 na no no na no no no na 4792 2000 -2792 screened 06110/98 58 <0 50 <0 50 <0 50 <0 50 <5 0 no na no no no na no no 4221 -2221 interval 09108198 50 13 14 -050 24 <0 50 <0 50 <0 50 <0 50 .450 <50 <5 0 no no 4664 26 64 no odor 1 no sheen 48'-70' 11/12198 as ns ns as ns as ns ns ns as ns ns ns as 2000 wellhead survey 12!30198 fib 14 087 <0 50 1 1 <5 0 na no no no na no no no 45 DO 2500 no odor 1 no sheen 03/26/99 74 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <20 no na 4075 2075 no odor 1 no sheen 0BM2199 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 32 <0 50 4019 2019 no odor 1 no sheen 08131/99 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 43 <0 50 45 09 2509 no Comment 12/09199 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 69 <50 <5 0 49 <0 50 4656 2656 02/21/00 68 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 30 <0 50 44 94 24 94 no odor 1 no sheen 05/18/00 62 <0 50 <0 50 <0 50 <0 50 <0 50 -050 <0 50 <0 50 <5 0 <50 <5 0 no no 3923 1923 no odor I no sheen 0912610(] <50 <0 50 <0 50 <0 50 <0 50 <5 0 na no no no na no na no 4855 2855 no odor 1 no sheen 12120/00 <50 <0 50 <0 50 <0 50 <0 50 <50 no no no na no no no no 4698- 26 98 no odor 1 no sheen 03127/01 <50 <0 50 <0 50 <0 50 <0 50 <50 na no na na no no na no 4571 -2571 no odor 1 no sheen 06/26101 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <5 0 <50 <5 0 <0 50 <0 50 4840 2840 no odor I no sheen 09/05/01 <50 <0 50 <0 50 <0 50 <0 50 <50 no na no na no no no na 5355 3355 no odor I no sheen 301 11/ 01 <50 <0 50 <0 50 <0 50 <0 50 <50 na na no no no no no na 5339 3339 no odor I no sheen 02127102 <50 <0 50 <0 50 <0 50 <0 50 <5 0 na no na na no no na na 5009 3009 no odor I no sheen 05/16102 <50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <0 50 <50 <50 <50 4 3 <0 50 5027 2156 2871 no odor 1 no sheen 09112102 <50 <0 50 <0 50 <0 50 <0 50 <5 0 no na na na no no no no 5846 3690 no odor 1 no sheen 12104102 <50 <0 50 <0 50 <0 50 <0 50 <5 0 no no na no na no na no 5660 3504 no odor I no sheen 02117/03 110 <0 50 <0 50 <0 50 <0 50 <0 50 na no na na no na na no 5344 3188 no odor 1 no sheen 419gmio2.sb Project No 1410 46 Page 2 of 7 HORIZON ENVIR01101UMAL INC,