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r <br /> TABLE A(Continued) <br /> Constituent B T E X MTBE TPH-G <br /> EPA Method (602) (602) (602) (602) (602)/ (5030) <br /> ($260) <br /> Detection Limits 03 03 03 06 l 0 005 <br /> L I Well gg/I ltg/l µg/1 µg11 mg/l <br /> SV-1 1/16/97 41,000 17 000 3,300 6200 [1,400] 120 <br /> 1/15/00 1100 34 120 250 1,100v 41 <br /> SV-2 4/23/98 49,000 66 000 3,200 17,000 26 000*v 270 <br /> SV-3 7/18/97 71,000 73,000 3,900 19 000 [35,000] 280 <br /> 10/14/99 9,600 2,100 440 1400 14,000♦ 25 <br /> E SV-4 7/22/98 71 000 47 000 1,700 9,400 170 000*v 390 <br /> SV-5 10/22/97 55 000 73,000 3,900 19000 37,000*v 290 11 <br /> SV-6 4/21/99 65,000 27 000 2,800 13,000 8 600*v 200 <br /> SV-7 8/1/96 91,000 75 000 3,000 18,000 7,800 360 <br /> 10/23/98 90 000 77 000 3,300 18,000 1,800*v 360 <br /> SV-8 1/21/98 87,000 67 000 3,200 17000 6400*v 310 <br /> SV-9 4/2/97 25 000 ND 2,300 1 900 79,000 53 <br /> 13,1,E,X=benzene toluene ethyl benzene,and xylene ND=none detected at or above laboratory reported detection limit <br /> TPH G=total petroleum hydrocarbons quantified as gasoline ND X=none detected to a level of X <br /> MTBE=methyl tertiary butyl ether *—detection limit raised due to elevated petroleum hydrocarbon result <br /> NA—not tested for this analyte <br /> [xj=EPA Method 602 analysts indicates a concentration of x result is not confirmed by EPA Method 8260 however Future analysts by EPA <br /> Method 8260 may indicate that MTBE is not present <br /> v=other oxygenates/additives were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection I units <br /> * =as of the fourth quarter 1999 MTBE was analyzed by EPA Method 602 and groundwater monitoring for gasoline oxygenates/additives other <br /> than MTBE was discontinued <br /> F <br /> Page -9- <br />