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TABLE 2
<br /> • SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA
<br /> Page 6 of 6
<br /> (Reported In ug
<br /> SampleDate TPHg Benzene Toluene Ethyl Xylenes MTBE DIPS TAME TBA ETRE
<br /> ID Benzene
<br /> l I
<br /> AS1(d) 09/26/01 270,000 35,000 32 000 3,600 19 000 <250 <250 <250 <2,500 <250
<br /> 12111/01** 6,000 900 600 70 490 <20 <20 <20 <200 <20
<br /> 12/17/01** 6,700 1,100 800 82 540 <20 <20 <20 <200 <20
<br /> 12127/01** 2,800 460 280 31 230 <20 <20 <20 <200 <20
<br /> 01103102"* 6,200 670 620 67 490 <20 <20 <20 <200 <20
<br /> 12/04102** 360,000 47,000 35,000 3,900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 03103/03"* 380,000 44,000 28,000 2,900 21,000 <500 <500 <500 <5,000 <500
<br /> PZ1a(s) 09/26/01 290,000 37,000 38,000 3,600 18,000 <250 <250 <250 <2500 <250
<br /> 12111/01** 380,000 46,000 42,000 3,200 20,000 <400 <400 <400 <4,000 <400
<br /> 12117101** 330,000 51,000 46,000 2,900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12/27101`* 340,000 59,000 51,000 3,400 20,000 0,000 <1,000 <1,000 <10,000 <1,000
<br /> 01/03102** 340,000 52,000 45,000 3,100 18,000 0,000 <1,000 <1,000 <10,000 <1,000
<br /> 0303103** 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
<br /> 12/11101** 270,000 37,000 33,000 2,300 13,000 <400 <400 <400 <4,000 <400
<br /> 12/17101** 320,000 52,000 45,000 3,300 19,000 <1,000 0,000 <1,000 <10,000 <1,000
<br /> 12/27101** 290,000 51,000 42,000 3,400 19,000 <1,000 <1,000 <1,000 <10.000 <1,000
<br /> 01103102** 290 000 45 000 36,000 3 000 17 000 <1,000 <1 000 <1 000 <10,000 <1 000
<br /> 12/04/02** 400,000 45,000 53,000 4,400 23,000 <1,000 0,000 <1,000 <10,000 0,000
<br /> 0303/03** 440,000 50,000 48,000 3,100 22,000 <500 <500 <500 <5,000 <500
<br /> PZ1b(d) 09/26/01 310,000 35 000 47,000 3,400 18,000 <250 <250 <250 <2,500 <250
<br /> 12111101** 310,000 36,000 46,000 3,100 17,000 <400 <400 <400 <4,000 <400
<br /> 12117101** 290,000 37,000 51,000 3,300 18,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12127101** 300,000 43,000 53,000 3,800 21,000 <1,000 <1,000 <1,000 <10,000 0,000
<br /> 01103102** 300,000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 <,10,000 <1,000
<br /> 12104102** 360,000 36,000 53,000 4,100 23,000 <1,000 <1,000 0,000 <,10,000 0,000
<br /> 03/03/03** 430,000 39,000 57,000 3,400 24,000 <500 <500 <500 <5,000 <500
<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 /> N$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 /> C Effluent denotes the sample collected between the first and second carbon vessels filtering the facility's water
<br /> C Effluent denotes the sample collected after both carbon vessels filtering the facility's water
<br /> W 1163931TABLES1Gwta6 qm
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