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TABLE 2' <br /> r ANALYTICAL RESULTS OF GROUND WATER SAMPLES - EPA'METHOD 8015/8021 <br /> Former Curtiss Pontiac-Buick <br /> 2450.Toste Road; Tracy, California <br /> Well ID Sample Depth Ethyl- Total <br /> "Date to GW TPH-g" TPH-d Benzene Toluene <br /> ] . . benzene X lenes. <br /> 12-07-99. 10.70 6,900 2,800 310 180 130 70 <br /> 03-17=00 9.08 .1,1 00 .� 1,100 . 46 12 8.6 77 <br /> r 07-17-00 23.15 260 290. 0.91 3.3 <0.5 <0.5 <br /> 10-1.7-00 9.62 250 230 11 9:2 6.1 25 <br /> - 01-30-01 16.86 150 220 26' 4.6 3.5 9.0 <br /> MW-7 04-25-01 7.21 <50 130 <0:5 0.66. <0.5 <0.5 <br /> 37-42 07-27-01 ,7.43 <50 74 <0:5 <0.5 <0.5 <0.5 <br /> 10-24701 9.14 90 91 9.9 8.3-11.7 6.1 <br /> 01-23-02 8.07 <50 62 <0.5 <0.5 <0.5 <0.5 <br /> 04-23-02 8.72 <50 <50 - <0.5 <0.5 <0.5 <0.5 . <br /> 07-23-02 7.75- . <50 <50 0.66" 0.82 + <0,5 0.92 <br /> I0-31-02 . 8.12 NS NS NS NS NS NS <br /> -r- 03-12-03 7.46 <5093 <0.5 <0.5 <0.5. <0.5' <br /> 01-30-98 <50 ' <50 <0.5 <0.5 <0.5 <0.5 . <br /> �^ 09-28-98 8.64 <50 <50 2,7 1.6 <0.5 <0.5 <br /> t � 12-17-98 •8.73 . <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> F 03-25-99 8.61 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 06-21-99 8.80 <50 <50 <0.5 <0.5 <0.5 <6.5 <br /> �-- 09-21-99 9.46 X50 <50 <0.5 <0.5 <0.5 _ <0.5 <br /> 12-21-99 8:86- <50 <50, <0.5 <0.5 <0.5 <0.5 <br /> i 03-17-00 8.39 <50 <50a <0.5 <0.5 <0.5 <0,5 <br /> 0747-00 8.65 <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> r' GLMW-3* 10-17-00 8.33 ' 160 130 7.9 9.1- 6.6 27 <br /> . 10-20 12-19-00 8.66 <50 <50 <0.5 0 5 0.5 <0.5 <0.5- <br /> 12-19-00 - <br /> 8.65 <50 <50 <0.5 <0.5 <0.5 <0.5 . <br /> 03-23-01 8.61 <50 <50 <0.5 <0.5- <0.5 <0.5 <br /> 06-22-01, 8.72 <50 <50 <0.5 <0,5 <0.5 <0.5 <br /> 0917-01 8.75 <50 <50 <0,5 <0.5 <0.5 <0.5 <br /> 12-26-01 8.34 <50 <1'3000' <0.5 <0.5 <0.5 <1.0 <br /> 03-21-02 8.75 . <50 <50 - <0.5 <0.5 <0.5 <0.5 <br /> 06-21-02 8.66 . <50 <50 <0.5. <0.5 - <0.5 <0.5 <br /> 12-19-02 8.14 <50- <50 <0.5 <0.5 <0.5 <0.5 <br /> 03712-03 8.76 <50 <56 <0.5 <0.5 <0.5 <0.5 . <br /> 01-23-02 -. <50, <50 <0.5 <0.5 <0.5 <0.5 <br /> 04-2302 . - <50 <50 <0.5 X0.5 <0.5 <0.5 , <br /> DW2450 07-23702 , <50 <50 <0.5 <0.5 <0.5 <0.5 <br /> 10-31-02 <br /> <50 <50 <0.5 <0.5 _ <0.5 <0.5 . <br /> 03-12-03 -- <50' <50 <0:5 <0.5 <0.5 <0.5' <br /> Notes; <br /> r . Concentrations in italics indicate suspected cross-contamination <br /> Ag/l: micrograms per liter <br /> TPH-g/-d:,total petroleum hydrocarbons quantified as gasoline/diesel <br /> GW: ground water <br /> NA: not analyzed ; <br /> NS: not sampled <br /> ground.water sample collected from monitoring well GLMW-3 at 2420 Grant Line Road'' <br /> Advanced GeoEnvironmental <br />