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<br /> TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA
<br /> Page 6 of 6
<br /> (Reported In u
<br /> Sam le Date TPHg Benzene Toluene Eth I I X lenes MTBE I DIPS I TAME TBA ETBE Ethanol Methano
<br /> PZ1a(s) 09/26/01 290,000 37,000 38,000 3,600 18,000 <250 <250 <250 <2500 <250 NA NA
<br /> 12/11101"* 380 000 46,000 42,000 3,200 20 000 <400 <400 <400 <4,000 <400 NA NA
<br /> 12/17/01"* 330,000 51,000 46,000 2900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12/27/01** 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,OD0 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 17,000 <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 /> 12117101** 320,000 52 000 45,000 3 300 19,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12127/01** 290 000 51,000 42,000 3,400 19,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 01103/02** 290,000 45,000 36,000 3,000 17,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12/04102** 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 /> PZ1b(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 /> 12117/01" 290,000 37 000 51,000 3,300 16,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 12/27101** 300,000 43,000 53,000 3,800 21,000 <1,000 <1,000 <1000 <10,000 <1,000 NA NA
<br /> 01103102*" 300,000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 <,10000 <1,000 NA NA
<br /> 12104/02** 360,000 36,000 53,000 4,100 23,000 <1,000 <1,000 <1,000 < 10,000 <1,000 NA NA
<br /> 03/03103** 430,000 39,000 57 000 3,400 24,000 <500 <500 <500 <5,000 <500 NA NA
<br /> DWSW-1 10/24/03 <50 <0 5 <0 5 <0 5 <1 0 <2 0 <2 0 <2 0 <20 <2 0 NA NA
<br /> DWSW-2 01/16/04 <50 <0 5 <0 5 <0 5 <1 0 <2 0 <2 0 <2 0 <20 <2 0 NA NA
<br /> PTDWSW-1-3 03/25/04 <50 <0 5 <0 5 <0 5 <1 0 <0 5 <05 <0 5 <5 0 <0 5 NA NA
<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 /> DW-1 denotes facility well on startup of groundwater pump test
<br /> DW-2 denotes facility well on completion of groundwater pump test
<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 himit
<br /> (***)=Samples were analyzed by EPA Method 80218 only therefore MTBE results are spurious
<br /> 2=1 2-DCA was detected at a concentration of 2 1 ug/L
<br /> ICC 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 /> •
<br /> S M38317ABI-F SMwtab_gm
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