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MPDS-UN5098-48 <br /> October 18, 1995 <br /> Page 7 of 8 <br /> TABLE 3 (Continued) <br /> SUMMARY OF LABORATORY ANALYSES <br /> WATER <br /> (UNOCAL MONITORING WELLS) <br /> 1, 2- <br /> TPH as Ethyl- Dichloro- <br /> Date Well # Gasoline Benzene Toluene benzene Xylenes ethane <br /> 9/30/92 MW10 1, 000 26 0 85 46 10 12 <br /> MW11 42 , 000 8 , 800 6, 200 1, 600 4 , 400 56 <br /> MW12 16, 000 1 , 700 1, 000 590 880 24 <br /> MW13 ND ND ND ND 0 . 92 ND <br /> 6/03/92 MW10 960 7 2 2 0 3 . 3 8 . 6 12 <br /> MW11* 620 150 70 26 68 680 <br /> MW12* 23 , 000 2 , 300 2 , 000 840 1, 700 92 <br /> MW13 ND ND ND ND ND 12 <br /> 2/24/89 MW2• 1, 600 54 8 01 23 20 440 <br /> MW3♦ 57 ND ND ND ND 12 <br />• MW4♦ ND ND ND ND ND ND <br /> MW5A ND ND ND ND ND 0 86 <br /> * Nitrates were non-detectable , and coliform bacteria were below detection <br /> limits <br /> ** All EPA method 8010 constituents were non-detectable, except for <br /> concentrations of bromodrehloromethane at 0 53 µg/L, chloroform at 1 4 <br /> µg/L, and dibromochloromethane at 0 97 Ag/L <br /> Sequoia Analytical Laboratory has potentially identified the presence of <br /> MTBE at reportable levels in the ground water sample collected from this <br /> well <br /> A Well has been destroyed. <br /> -- Indi.cates analysis was not performed <br /> ND = Non-detectable . <br /> Results are in micrograms per liter (Ag/L) , unless otherwise indicated. <br /> Note : - All EPA method 8010 constituents were non-detectable, except as <br /> reported above <br /> - Laboratory analyses data prior to December 20 , 1993 , were provided by <br /> Kaprealian Engineering, Inc . <br />