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Tablw, <br /> Groundwater Monitoringti.:ltnd Anal tical Results <br /> ;',. Y `? 1 <br /> Tosco(Former BP Oil)Service Station#11195 <br /> 16500 South I-5 <br /> Lathrop,California <br /> B T E g. MTBE <br /> TW S. <br /> WELL IDI DATE I. GWE TPH-D TPH-G <br /> * (ft.) (ft.bgs) (msd) (Ppb) (Ppb) (ppb) (PPB) (Ppb) (PPb) (Ppb) <br /> TOC {ft.) <br /> ND ND ND 2351258' <br /> 7.63 8.0-23.0 1.40 - ND ND 16.1/9.10 <br /> MW-2 05/05/00 ND ND ND <br /> -0.13 -- ND ND 52.1154.9' <br /> (cont) 08/28/00 9.16 - ND ND ND ND ND ' <br /> 1]113100 9.41 "0'38 1YD 193!284 <br /> 0.19 ND ND ND ND <br /> 02/09/01 9.22 ND 0.606 ND 0.738 85511,140 <br /> 8.61 0.42 -' ND 830/1,200 <br /> 05/11/01 <50 <0.50 1,2 <0.50 0.79 <br /> -0.58 210/130' <br /> 08/10/01 9.61 -_ <50 <0.50 <0.50 <0.50 <br /> 11/21/01 10.13 -1.10 - <0.50 <5.0 <5.0 5601550 <br /> 0.90 _. c500 <5.0 <5.0 <br /> 02/07/02 8.13 <2.5 <2.5 <5.0 --1970' <br /> -0 07 250'° <2.5 <br /> 05123102" 9.10 190" <0.50 c0.50 <0.50 <1.0 160 <br /> 08115/0210i08115l02' 9.57 -0.54 - <5.0 210 <br /> 11118-19102", 9.96 -0.93 <br /> <250 <2.5 d.5 <2.5 <br /> MW-31,300 6.7 3.1 9.1 310 - <br /> -- <br /> 9.79 12/21/92 11.84 8.0-23.0 -2.05 3,600 20 9.3 470 700 "- <br /> 05/17/93 9.05 0.74 -- <br /> 4,000 23 12 520 810 <br /> (D) 05/17/93 -- -- 34 1,700 3,300 -- <br /> -0. -- 38,000 770 <br /> 09/15/93 10• 65 ND ND ND -- <br /> 01/12/94 11.15 -1.36 -- 380 ND <br /> -- 400 ND ND ND ND 1.400 <br /> (D) 01/12/94 -- -" ND 4.3 4.2 1,400 <br /> -0.66 -- 180 0.7 <br /> 05/12/94 10.45 170 0.7 ND 3.8 3.9 270 <br /> __ <br /> (D) 05/12194 -- "' ND ND ND -- <br /> 10/07/94 11.21 -14ND 0..77 <br /> 2 -- <br /> -- ND ND ND ND <br /> (D) 10/07/94 -- J 1.8 ND 9.0 -- <br /> 12/08/94 11.40 -1.61 470 1.1 - <br /> -- 460 0.7 1.1 ND 5.9 <br /> (D) 12/08/94 -- _" ND' 370 400 <br /> 02/21/95 9.11 0.68 -- 4,900 6.4 -- -- -- <br /> 06109/95 8.59 1.20 -' <br /> 5,500 1l ND' 890 4b{} 4,300 <br /> 08/31/95 10.46 -0.67 -- -_ -- <br /> 11/02/95 11.05 -1.26 - -- "" <br /> 2.i 3 1,600 3.2 ND' 270 227 1,200 <br /> 02/28/96 7.66 1,100 <br /> (D) 02/28/96 -- -- -- 1,400 2.8 NDS 240 204 <br /> 09/05/96 9.99 -0.20 -- 3,700 ND' ND' 420 ND' 2,100 <br /> As of 11/19/02 <br /> 11195.xls1#180175 3 <br />