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<br /> TABLE 2
<br /> ANALYTICAL RESULTS OF GROUND WATER SAMPLES
<br /> ANALYZED BY EPA METHODS 8015 AND 8020
<br /> STOCKTON PLATING
<br /> 632 South El Dorado, Stockton, California
<br /> (gg/1)
<br /> Sample I.D./ D:epth.to TPH as Ethyl
<br /> MTBE Benzene Toluene Xylenes
<br /> Date GW* gasoline benzene
<br /> VW-1112-21-95 39.75 230,000 NA 41,000 52,000 4,900 24,000
<br /> VW-1/06-03-96 34.78 220,000 850 38,000 46,000 3,700 19,000
<br /> VW-1112-16-96 35.10 190,000 700 29,000 40,000 18,000 18,000
<br /> VW-1103-12-97 30.79 150,000 720 25,000 36,000 3,500 18,000
<br /> VW-1/06-27-97 31.33 160,000 1,100 29,000 40,000 3,800 19,000
<br /> VW-1109-08-97 32.26 190,000 920 29,000 38,000 3,500 18,000
<br /> VW-1112-12-97 32.26 140,000 340 24,000 33,000 3,300 16,000
<br /> VW-2106-03-96 34.54 1,600 52 52 1.7 390 1.7
<br /> VW-2/09-18-96 35.64 560 25 41 1.5 59 1.4
<br /> VW-2112-16-96 34.88 430 30 4.4 1.5 1.2 1.2
<br /> VW-2103-12-97 30.57 300 17 1.7 <0.5 1.2 0.61
<br /> VW-2106-27-97 31.08 320 21 1.8 0.59 0.51 0.65
<br /> VW-2109-08-97 32.01 280 14 1.0 2.0 <0.5 2.1
<br /> VW-211.2-12-97 32.01 240 <5.0 0.53 0.54 <0.5 <0.5
<br /> VW-3103-08-96 35.46 120,000 <350 29,000 18,000 2,800 7,900
<br /> VW-3112-16-96 34.28 120,000 450 24,000 21,000 3,400 11,000
<br /> VW-3/03-12-97 30.00 62,000 400 15,000 5,300 3,000 7,400
<br /> VW-3106-27-97 30.40 53,000 710 11,000 1,900 3,500 6,400
<br /> VW-3/09-08-97 31.00 39,000 500 8,300 1,600 2,700 3,700
<br /> VW-3112-12-97 32.02 38,000 89 7,100 1,800 2,800 3,400
<br /> VW-4/12-16-96 34.60 3,100 39 490 20 730 12
<br /> VW-4103-12-97 31.02 1,500 21 250 5.2 270 4.8
<br /> VW-4106-27-97 31.52 2,400 51 200 20 600 lfl
<br /> VW-4/09-08-97 32.44 2,900 68 280 18 680 12
<br /> VW-4112-12-97 33.05 1 2,400 1 <5.0 1 240 1 12 640 13
<br /> Notes:
<br /> ugll: micrograms per liter,approximately equivalent to parts per billion,ppb
<br /> MTBE: methyl tertiary butyl ether by EPA method 8020
<br /> NA: Not analyzed
<br /> not measured
<br /> 'Ground water depth measurements are in feet.
<br /> Advanced GeoEnvironmental,Inc.
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