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i; <br /> TABLE 1-SUMMARY OF RESULTS OF GROUNDWATER SAMPLING <br /> BP OIL COMPANY SERVICE STATION NO.11195 <br /> 16500 SOUTH INTERSTATE 1-5,LATHROP,CALIFORNIA <br /> ALISTO PROJECT NO.10.151 <br /> WELL DATE OF CASING DEPTH TO GROUNDWATER TPH-G TPH-D B T E X TOG HVOCs DO LAB <br /> ID SAMPLING/ ELEVATION (a) WATER ELEVATION (b) (ppb) (ppb) (Ppb) (ppb) (ppb) (ppb) (ppb) (ppb) (Ppm) <br /> MONITORING (Feel) (Feet) (Feet) <br /> MW-6 09/15/93 13.56 8.96 4.58 400 - 2.4 ND<0.5 ND<0.5 ND<0.5 - - PACE <br /> MW-6 01/12/94 13.56 9.62 3.94 670 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - 4.1 PACE <br /> MW-6 05/12/94 13.56 8.95 4.61 5500 - ND<o.5 ND<0.5 ND<0.5 ND<0.5 -- - 4.2 PACE <br /> MW-6 10/07/94 13.56 9.72 3,84 ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - -- 4.3 PACE <br /> MW-7 09/15/93 1427 9.59 4.68 NN50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - PACE <br /> MW-7 (e) 01/13/94 14.27 -- - - - - - <br /> MW-7 (e) 05/12/94 14.27 <br /> MW-7 (e) 10/07/94 1427 - - - - - - - - - - - <br /> OC-2 (n 05/17/93 --- - ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<1.0 - - - PACE <br /> QC-2 (1) 09/15/93 - - ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - PACE <br /> QC-2 (1) 01/12/94 - - - ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - PACE <br /> CIC-2 (f) 05/12194 - - -- ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 - - - PACE <br /> QC-2 (i) 10/07194 - - - ND<50 - ND<0.5 ND<0.5 ND<0.5 ND<0.5 --- - --- PACE <br /> ABBREVIATIONS: NOTES: <br /> TPH-G Total petroleum hydrocarbons as gasoline (a) Top of rasing elevations surveyed in reference to San Joaquin datum, <br /> TPH-D Total petroleum hydrocarbons as diesel brass cap UV-34 at Mathey Road,45 feet north and 52 feet west of cenledine <br /> B Benzene (elevation of 12.50 feet above mean sea level.) <br /> T Toluene <br /> E Ethylbenzene (b) Groundwater elevations in feel above mean sea level. <br /> X Total xylenes <br /> TOG Total oil and grease (c) Blind duplicate. <br /> HVOCs Halogenated volatile organic compounds <br /> DO Dissolved oxygen (d) Delection limits vary(see laboratory report). <br /> ppb Paris per billion <br /> ppm Paris per million (e) Well inaccessible due to road construction. <br /> ND Not detected above reported detection limit <br /> Not analyzedlappficablWmeasured (f) Travel blank <br /> PACE Pace,Inc. <br /> 20-Jan-95 PAGE 2 <br />