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TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA Q
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<br /> Sample Date TPHg Benzene Toluene Ethyl Xylenes MTBE DIPS TAME TBA ETBE Ethanol Methanol
<br /> Benzene
<br /> PZ1a(s) 09/26/01 290,000 37,000 38,000 3,600 18,000 <250 <250 <250 <2500 <250 NA NA
<br /> 12/11/01•` 380,000 46 000 42,000 3200 20,000 <400 <400 <400 <4,000 <400 NA NA
<br /> 12117/01** 330 000 51,000 46,000 2,900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12127/01" 340,000 59,000 51,000 3,400 20 000 <1,000 <1,000 <1 000 <10,000 <1,000 NA NA
<br /> 01/03/02'* 340,000 52,000 45,000 3,100 18 000 <1,000 <1,000 <1,000 <10,000 <1 000 NA NA
<br /> 03/03/03** NS NS NS NS NS NS NS NS NS NS NS NS
<br /> PZ1a(d) 09/26/01 310,000 46,000 47,000 3,400 17000 <250 <250 <250 <2,500 <250 NA NA
<br /> ' 12/11/01" 270,000 37,000 33,000 2,300 13,000 <400 <400 <400 <4 000 <400 NA NA
<br /> 12/17/01** 320,000 52,000 45 000 3,300 19 000 <1,000 <1,000 <1 000 <10,000 <1,000 NA NA
<br /> 12/27/01** 290,000 51,000 42,000 3,400 19,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 01/03/02** 290,000 45,000 36,000 3,000 17,000 <1,000 <1,000 <1000 <10,000 <1,000 NA NA
<br /> ' 12/04/02*' 400,000 45,000 53,000 4,400 23,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 03103103** 440,000 50,000 48 000 3,100 22 000 <500 <500 <500 <5,000 <500 NA NA
<br /> PZ111b(d) 09/26/01 310,000 35,000 47,000 3,400 18 000 <250 <250 <250 <2,500 <250 NA NA
<br /> 12/11101*" 310,000 36,000 46,000 3,100 17,000 <400 <400 <400 <4,000 <400 NA NA
<br /> 12/17101"* 290 000 37,000 51,000 3,300 18,000 <1 000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12/27/01*' 300,000 43,000 53,000 3,800 21,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 01/03/02** 300 000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 < 10,000 <1,000 NA NA
<br /> 12104102** 360,000 36,000 53,000 4,100 23,000 <1,000 <1,000 <1,000 <,10,000 <1000 NA NAS
<br /> 03/03103** 430,000 39 000 57,000 3,400 24,000 <500 <500 <500 <5,000 <500 NA NA q
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<br /> ' Notes
<br /> TPHg denotes Total Petroleum Hydrocarbons as gasoline analyzed by EPA Method 5030/8015
<br /> MTBE denotes methyl tertiary butyl ether analyzed by EPA Method 8260
<br />' DIPE denotes di-isopropyl ether analyzed by EPA Method 8260 `
<br /> TAME denotes tertiary amyl methyl ether analyzed by EPA Method 8260
<br /> TBA denotes tertiary butyl ether analyzed by EPA Method 8260
<br /> ETBE denotes ethyl tertiary butyl ether analyzed by EPA Method 8260
<br /> DW denotes deep facility well on site
<br /> NS denotes not sampled
<br /> NA denotes not analyzed
<br /> 1 =sample analzyed for HVOCs by EPA Method 524 2 All other constituents reported below method detection limit
<br /> (*)= Gas is primarily composed of Benzene
<br /> (")= Samples were also analyzed for 1,2-dichloroethane and ethyl dibromide by EPA method 8260 but were
<br /> not detected above the method detection limit
<br />' 1CC Effluent denotes the sample collected between the first and second carbon vessels filtering the facility's water
<br /> 2CC Effluent denotes the sample collected after both carbon vessels filtering the facility s water
<br />' S 116393LTABLES1Gwtad_gm
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