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<br /> TABLE2
<br /> GROUNDWATER ANALYTICAL RESULTS
<br /> 424 NORTH VAN BUREN STREET,AREA 16 ANALYTICAL RESULTS-AREA 16(ug/L)
<br /> Stockton,California
<br /> Depth to
<br /> Location Date Groundwater TPHg MTBE Benzene Toluene Eth (benzene xylenes sec-Butyl- n-Butyl- Isopropyl-
<br /> ybenzene benzene benzene Naphthalene n-propy[benzcne 1,2,4 TMB 13,5 TMB
<br /> (feet bgs)
<br /> 16B 6b' 1/13104 17-25 140,000 <1,000 6,500 19,000 2,300 47,000 <200 950 200 3,700 580 8,500 3,000
<br /> 1611-8 1114104 18 25 240,000 <5 000 10,000 61,000 11,000 120,000 <1 000 <1 000 1,600 12,000 5,300 44,000 14,000
<br /> 16B 8D 1114104 18 25 230,000 <5 000 8,400 37,000 2,700 32,000 <1,000 <1,000 <500 <1,000 <1,000 4,200 1,200
<br /> 1611-9 1114104 175-25 70,000 <1,000 2.000 5,200 1,900 19,000 <40 <200 <200 910 280 3,600 3,400
<br /> 16B 10 1119!04 18 30 79,000 <2,000 700 7,000 5,800 28,000 <400 610 320 1,000 1,140 6,400 2,000
<br /> 16B 11 1120104 17-31 2(,000 <200 I400 2,700 860 4,000 66 320 44 160 2I0 1,900 860
<br /> EW-4 1113104 15 35 86 000 <1 000 2,6009,600 2,100 27,000 <40 <200 120 840 280 3 800 1 3QQ
<br /> Comparison Wel!
<br /> MW-3 221103 19 44 200,000-15,400 57,000 5,100 29,000
<br /> --------------
<br /> Notes
<br /> All results in ug/L
<br /> Feet bgs-feet below ground surface
<br /> =not measured or not analyzed
<br /> •=Sample on chain of custody did not have the"b designation It was added because older borings used the same ID
<br /> TPHg=Total petroleum hydrocarbons as gasoline
<br /> MTBE-Methyl-t-butyl Ether
<br /> TMB=Tnmethyl benzene
<br /> 25971014-tables-Table 2 GW 1 of 1 April 2004
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