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Table 2 Historical Groundwater Monitoring and Analytical Data 7-Eleven Stone#19976 1399 North Main Street Manteca CA I Well 1D1 0 Ethyl- " ' e r MtBE' °t- ' , . .x 1,2- E Math- Dissolved- 'i Elevation Dated Benzene Toluene Benzene Xylene TPH:G 8020 MtBE_ ,TBA-x-DIPE ,EtBEx TAME- DCA -anol yanol Notes Oxygen` DTW SPT WTE A TbC` {�+9►L (u9►L) {1�91n 1 Ll {N9n ^: ~ uP51L) {I - ` u91L) "{�91L)w K{ (VWL) {mgit m .r m �, {feet (fast Water Grab Samples P-1-W 04/29/98 3,000 1,400 520 2,500 19,000 430 380 <500 <25 <25 <25 - -- -- -- - - ~ GP-2 W 04/29/98 21 036 24 26 1,600 16 <10 <100 <5 <5 <5 - - - - - -- P-3-W 04/29/98 5,800 11,000 5,500 28,000 290,000 4,200 3,700 <10,000 <500 <500 <500 - - -- -- - - ~ MW-5@W 05/11/99 200 140 110 520 1,500 120 75 <40 <10 <10 <10 -- - - - -- - - Monitoring Well Samples MW-1 31 99 09/16/98 281 <03 421 245 1,550 -- 738 <20 <5 <5 <5 _ _ ~ 1 2 1474 000 1725 12/30/98 904 317 282 147 2,860 -- 3830 <20 <5 <5 <5 -- - 06 1417 000 1782 02/18/99 75 <2 5 170 320 4,400 330 230 <50 <12 <12 <12 - - - 03 1426 000 1773 06/04/99 335 143 611 1,020 11,000 1,240 <100 <25 <25 <25 - - - 02 1527 000 1672 09/14/99 114 29 683 282 98 772 104 329 <5 <5 <5 -- -- - - 1733 000 1466 11/04/99 44 202 152 951 530 126 88 33 <5 <5 <5 -- -- -- b 18 1760 000 1439 01/24100 148 693 669 168 2,020 336 347 <20 <5 <5 <5 -- -- - 09 1770 000 1429 04/06/00 630 110 310 100 1,100 -- 140 <100 <4 <4 <4 -- - - 44 1654 000 1545 07/21/00 22 <0 5 17 28 <100 - 90 <100 <4 <4 <4 <1 <15 <5 28 1800 000 1399 10/12/00 230 <12 630 1,200 7,200 -- 1,100 860 <50 <50 <50 <25 <5 <5 06 1815 000 1384 01/16/01 <0 5 052 093 <1 <100 -- 610 <500 <20 <20 <20 -- -- - C 04 1800 000 1399 04/02/01 330 10 320 820 5,400 - 2,700 <2,500 <100 <100 <100 - - - 35 1885 000 1314 06/26/01 37 43 31 70 830 -- 280 450 <10 <10 <10 -- -- -- 21 2076 000 1123 11/28/01 91 <2 5 83 230 2,100 -- 1,300 <200 <50 <50 <50 -- -- -- 07 21 12 000 1087 01/30/02 83 <5 <5 <5 2,500 -- 9,200 <1,000 <250 <250 <250 - - -- 10 1885 000 1314 04/04/02 160 <10 46 59 2,900 4,100 5,600 1,400 <100 <100 <100 -- -- - 09 1972 0 00 1227 07/08/02 23 0 81 18 29 320 590 970 220 <12 <12 <12 - - - 10 2087 000 11 12 10/03/02 43 <0 5 25 22 100 130 100 X25 <2 5 <2 5 <2 5 - - - 1 1 2000 000 1199 03/11/03 47 <1 0 39 30 180 - 390 96 <1 0 <1 0 1 2 -- - - 31 1977 000 1222 06/27/03 077 <0 50 065 16 <50 - 55 11 <0 50 <0 50 <0 50 - -- -- 54 2042 000 11 57 09/15/03 30 <0 50 22 30 78 - 150 30 <0 50 <0 50 <0 50 = = = 60 2071 000 11 28 12/23/03 35 <0 50 57 32 61 290 67 <0 50 <0 50 070 32 21 89 000 1010 03/29/04 40 <0 50 81 29 180 - 460 100 <0 50 <0 50 1 3 -- -- -- 1 0 21 03 000 1096 06/10/04 <0 50 <0 50 10 061 <50 - 140 25 <0 50 <0 50 <0 50 - - - 54 2308 000 891 I 09/15/04 91 <0 50 93 23 510 -- 160 13 <0 50 <0 50 075 - - - e 67 2551 000 648 I 117-EleveS Stores1199761Tables119976 Current Groundwater xlsHistoncal Water 1 of 11