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TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> . Pacific Coast Recreation, Stockton, CA
<br /> Page 7 of 7
<br /> (Repo e In u
<br /> Sample Date TPHg Benzene Toluene Ethyl Xylenes MTBE DIPS TAME TBA ETBE Ethanol Methanol
<br /> ID Benzene
<br /> PZ1a(s) 09/26/01 290,000 37,000 38 000 3,600 18 000 <250 1 <250 11 <250 <2500 <250 NA NA-
<br /> 12/11/01
<br /> A12/11/01** 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 /> 12/27101** 340 000 59 000 51 000 3 400 20 000 <1 000 <1,000 <1 000 <10,000 <1,000 NA NA
<br /> 01103/02** 340,000 52,000 45,000 3100 18,000 <1,000 <1,000 <1,000 <10,000 <1000 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 /> 12/11101*" 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 <1,000 <10,000 <1,000 NA NA
<br /> 12104102** 400 000 45 000 53,000 4,400 23,000 <1,000 <1,000 <1,000 <10,000 <1,000 NA NA
<br /> 03/03103" 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 /> 12/11/01** 310 000 36,000 46,000 3,100 17,000 <400 <400 <400 <4 000 <400 NA NA
<br /> 12/17/01" 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 /> 01/03102** 300 000 36 000 46,000 3,100 17 000 <1,000 <1,000 <1,000 < 10 000 <1,000 NA NA
<br /> 12/04/02*" 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 /> T 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 /> IL
<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 /> I TDWSW 1-3 03/25/04 <50 <0 5 <0 5 <0 5 <1 0 <0 5 <0 5 <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 dr-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 dibromrde by EPA method 8260 but were
<br /> not detected above the method detection Inmrt
<br /> Samples were analyzed by EPA Method 80218 only therefore MTBE results are spurious
<br /> 1 CC 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 /> 5 116393UA B L ES5Gwto b_qm
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