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TABLE 1 <br /> Depth to groundwater in feet from top of casing <br /> DATE GRADIENT MW-1 Myr-2 MW-3 <br /> 6-5- 95 S48E 0 . 04 7 . 84 9 . 55 7 . 22 <br /> 9-25-95 iN27W 0 . 01 10 . 46 11. 20 10 , 61 <br /> 12-6-95 S43W 0 . 001 11. 50 12. 23 11 . 08 <br /> 3-11-96 S48E 0 . 002 8 . 70 9. 63 8 . 29 <br /> 6-10-96 S36E 0 . 05 6 . 41 7 . 86 4 . 77 <br /> 9-13-96 S06E 0. 005 9 . 73 10 . 45 9 . 10 <br /> 4-13-99 S28E 0 . 003 10 . 20 10 . 99 9 . 74 <br /> TABLE 2 <br /> Groundwater Elevation measurements - April 13, 1999 in Feet <br /> Well ID Well Elevation Depth to Water Groundwater <br /> Elevation <br /> MW-1 17. 07 10 . 20 6 . 87 <br /> MW-2 17. 84 10 . 99 6 . 85 <br /> MW-3 16. 72 9 . 74 6 . 98 <br /> The calculated gradient for April 1999 as S 280 E or 1520 at <br /> 0 . 003 ft/ft as shown in Figure 2. <br /> 6 . ANALYTICAL RESULTS <br /> The analytical methods are those required in the "Tri-Re zonal <br /> Guidelines" which are directives of the Regional Water Quality <br /> Control Board and required by the SJCEHD <br /> The analyses completed were for Total Petroleum Hydrocarbons, as <br /> gasoline (TPHG) ; Benzene, Toluene, Ethylbenzene and Xylene (BTEX) <br /> via EPA Modified Method 8020/8015 and for the Oxygenates using <br /> the EPA Method 8260 , for both soil and groundwater samples <br /> collected by JPCA. <br /> Hydropunch Logs are in Appendix D. <br /> 4 <br />