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TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA
<br /> Page 5 of 5
<br /> e o e In u
<br /> Sample Date TPHgBenzene Toluene Ethyl Xylenes MTBE D1PE TAME TBA ETBE
<br /> ID Benzene
<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 /> 12/17101'* 330,000 51,000 46,000 2,900 20,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12/27/01`* 340,000 59,000 51,000 3,400 20,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 01/03102'"+ 340,000 52,000 45,000 3,100 18,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 0303103** NS NS NS NS NS NS NS NS NS NS
<br /> PZ1 a(d) 09/26/01 310,000 46,000 47,000 3,400 17,000 <250 <250 <250 <2,500 <250
<br /> 12111101-- 270,000 37,000 33,000 2,300 13,000 <400 <400 <400 <4,000 <400
<br /> 12/17/01* 320,000 52,000 45,000 3,300 19,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 12/27/01** 290,000 51,000 42,000 3,400 19,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 01/03/02** 290,000 45,000 36,000 3,000 17,000 <1,000 <1,000 <1,000 <10,000 <1000
<br /> 12104102** 400,000 45,000 53,000 4,400 23,000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 0303103** 440,000 50,000 48,000 3,100 22,000 <500 <500 <500 <5,000 <500
<br /> PZ1 b(d) 09/26/01 310,000 35,000 47,000 3,400 18,000 <250 <250 <250 <2,500 <250
<br /> 12/11/01* 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 /> 12127/01** 300000 43000 53,000 3800 21000 <1,000 <1,000 <1,000 <10,000 <1,000
<br /> 01/03/02** 300,000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 <,10,000 <1,000
<br /> 12104/02*+ 360,000 36,000 53,000 4,100 23,000 <1,000 <1,000 <1,000 <,10,000 <1,000
<br /> 03103103** 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 /> 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 Mmit
<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 /> 0
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