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TABLE 2
<br /> SUMMARY OF GROUNDWATER ANALYTICAL RESULTS
<br /> Pacific Coast Recreation, Stockton, CA
<br /> Page 5 of 5
<br /> (Reported In u
<br /> Sample Date tPg Benzene Toluene Ethyl Xylenes MTBE DIPE TAME TBA ETBE
<br /> ID I Benzene
<br /> PZ1b(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 /> 12/17/01"' 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 <1,000
<br /> 01103102"" 300,000 36,000 46,000 3,100 17,000 <1,000 <1,000 <1,000 <,10,000 <1,000
<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 /> RIPE 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 lamit
<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
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