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Table 1. Sununary of Groundwater Satnple Analytical Results. Geweke Land <br /> Development and Marketing, Lodi, California <br /> Aromatic volatile or anics,u (a) TPH, <br /> Sample Date ethyl- C4-C12 range, <br /> Number sampled benzene benzene toluene x lene u (b) <br /> MW-1 8/19/85 20 - 10 <0.2 - <br /> 2/11/86 3.2 <0.5 3.9 <0.5 <500 <br /> 5/4/90 230 <0.3 19 44 1,900 <br /> MW-2 10/25/85 <0.2 <0.2 <0.2 <0.2 <1,000 <br /> 2/11/86 0.7 N.5 1.3 <0.5 <500 <br /> 5/4/90 <0.3 <0.3 <0.3 <0.3 <50 <br /> MW-3 10/25/85 154 <0.2 13.4 1,340 3,300 <br /> 2/11/86 510 630 54 1,300 7,400 <br /> 5/4/90 28 13 3.7 53 1,300 <br /> MW-4 10/25/85 740 <0.2 624 4,960 46,200 <br /> 2/11/86 1,100 1,500 1,500 13,000 1,900 <br /> 5/4/90 2,800 54 890 1,100 7,800 <br /> MW-5 7/9/86 120 - 100 280 11,000 <br /> 5/4/90 . 96 <0.3 9 75 280 <br /> MCLS(c) 5 (e) (e) (e) (e) <br /> MCL goals(d) 0 680 2000 440 (e) <br /> (a) Using EPA Method 602 or EPA Method 8015 with extraction by EPA Method 5030 <br /> (b) Using EPA Method 8015 with extraction by EPA Method 5030 <br /> (c) EPA drinking water standards,maximum contaminant level(MCL.),January 1989 <br /> (d) Proposed EPA MCL goals,January 1986 <br /> (e) No level established <br />