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Table 2
<br /> Groundwater Monitoring Results
<br /> Del Monte Disco Property
<br /> ' Stockton, California
<br /> Concentration(u )
<br /> Sample TPH Ethyl BTEX
<br /> Well Date Gasoline Benzene Toluene benzene Xylenes Dilution Lead
<br /> TCLP - 500 - - - 5,000
<br /> MCL - 1 1,000 680 1,750 50
<br /> MW-DIS-10 3/3/95 <50 <0.3 <0.3 <0.3 <0.3 NA
<br /> 6119/95 <50 0:4.. .;:: <0.3 <0.3 <0.3 NA
<br /> 10/18/95 <50 <0.3 <0.3 <0.3 <0.3 1:1 NA
<br /> 2/13196 <50 <0.3 :_ 0 5 <0 3 0 7:' 1:1 NA
<br /> 6/6/96 <50 <0.3 <0.3 <0.3 <0.3 1:1 NA
<br /> 8115/96 <50 <0.3 <0.3 <0.3 <0.3 1:1 NA
<br /> r 12119/96* <15 <0.5 <0.5 <0.5 <0.5 1:1 NA
<br /> 12/19/96 <50 <0.3 <0.3 <0.3 <0.3 1:1 NA
<br /> 4117197 <50 <0.3 <0.3 <0.3 7 1:1 NA
<br /> i NP-1-90' 12/29/94 200,000 .29,000 T, 531000 5;300 30,000
<br /> J 7/26195 199,000 25;800 38,600, 5;200 26;400.
<br /> 4117/97 168,000 17;100 : '25,500 2;510 17,300 1:500 NA
<br /> NP-1-80' 12/29/94 180;000 29,000 51,000 ,. ; 4,800 24,OOo
<br /> 3/12/95 127,000 31,200 47 201 2,540 16,600
<br /> 7126195 129,000:." 5,500 13,600 23300 13,000
<br /> 4/17197 243,000 25,0()( 51,300 3;120 24;800 a 1:1000 NA
<br /> NP-1-70' 3112195 96,900 14,600 26,900 220 14,600
<br /> 7126195 .116,900'. 13,400 23,400 9fl 18,300
<br /> 8115196 125,130 10,680 23;925' : 2,165 16;430, 1:500
<br /> 4117197 203,000 14,300 36,000' 3,670. 29,300 1:1000 NA
<br /> NP-2-65' 8115196 50,350 3,350 4,550 ` <150 12,305 1:500
<br /> 4117197 47,500 3,670 1,330 659 7,110'. 1:100 NA
<br /> SVE-3 4117/97 11,000 801 1,100 93. ` 111:80 ..: 1:100 NA
<br /> SVE-4 4117197 212,000 18,300 30,800 ' 2,500 16;900 1:1000 NA
<br /> Notes:
<br /> TCLP: EPA Toxicity Characteristic Leachate Procedure for Identifing Hazardous Waste
<br /> MCL: California Maximum Contaminent Level for Drinking Water
<br /> <0.5: Below Detection limit of 0.5 ug/I
<br /> k * Sample collected by minimum aeration technique
<br /> Shading indicates results above the detection limit.
<br /> NA: Not Analyzed
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<br /> GwcIata.xls Page 4 of 4
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