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Y1 tr <br /> TABLE A(continued) <br /> onstttuent B T E x MTBE TPH-G <br /> Gasoline Ozygenalesl <br /> Additives <br /> PA Method (602)/ (602)1 (602)1 (602)1 (602)/(8260)1 5030/LUFr <br /> (8021B) (80213) (9021B) (802113) (802113) <br /> Detection Limits 03 0303 0 6 10 005 0 5-13 0 <br /> PS/L P8/L JJWL PB1L PP/- mg/L AWL <br /> SV 1 1/16/1997 41 000 17 000 3 300 6200 [I 4001 520 <br /> 1/15/2000 t 100 34 120 250 1 100• 4 1 <br /> 7!212002 210 30 31 110 1 000 16 <br /> SV-2 4/23/1998 49000 66000 3200 17000 26000*• 270 <br /> 712!2002 53 000 36 000 5 100 24 000 ND(4 000) 190 <br /> SV-3 7118/1997 71 000 73 000 3 900 19 000 1350001 280 <br /> 10/14/1999 9 600 2 100 440 1 400 14 000♦ 25 <br /> 7/2/2002 22 000 8 700 i 2000 7 900 29 000 97 <br /> SV-4 7!.2211998 71 000 47 000 1 700 9 400 170 000*• 390 <br /> 7/11/2000 5601 1101 341 601 460001 08 <br /> 7/2/2002 73 000 62 000 4 700 19 000 740 000 300 <br /> 10/15/2002 93 000** 96 000** 4 600** 18 000** 730000** 450 <br /> 1/15/2003 82 000 74 000 9 800 24 000 530 000*** 710 <5 000 130 000 <br /> SV 5 10/22/1997 55 000 73 000 1 3 900 19 000 37 000*v 290 <br /> 7/2/2002 1 53 000 t 58 000 1 5 704 1 29 000 1 19000 1 260 <br /> SV 6 4/21/1999 65 000 27 000 2 800 13 000 8 600*• 200 <br /> . 7/212002 1 36 000 13 000 2 900 $000 6 000 110 <br /> SV-7 8/1/1996 91 000 75 000 3 000 18 000 7 800 360 <br /> 10/23/1998 90 000 77 000 3 300 18000 1 800*r 360 <br /> 712!2002 73 000 57 000 4 300 22 000 NO(4 000) 250 <br /> SV4 1/21/1998 87 000 67 000 3 200 17 000 6 400"• 310 <br /> 7/2/2002 76 000 45 000 4 100 20 000 3 600 ND(1 000) <br /> SV-9 4!211997 25 000 ND 2 300 1 900 79 000 53 <br /> 4/12/2000 ND(150) ND(150) ND(150) ND(300) 9 700• NO(25) <br /> 7!212002 35 72 54 11 380 000 27 <br /> ND=none detected at or above laboratory reported detection limit B T E X—benzene toluene ethyl benzene,and xylene <br /> ND X=none detected to a level of X TPH G=total petroleum hydrocarbons quanafled as ga"ine, <br /> .-detection Itmrl raised due to elevated petroleum hydrocarbon result MTBE—methyl ternary butyl ether <br /> NA not tested for this analyte <br /> jx]=EPA Method 602 analysis indicates a concentration of x result is not confirmed by EPA Method 8260 however <br /> Future analysts by EPA Method 8260 may tridicate that MTBE is not present <br /> •—other oxygenates/addmves were analyzed by EPA Method 8260 and were not detected at or above the laboratory reported detection limits <br /> *-w of the fourth quarter 1999 MTBE was analyzed by EPA Method 602 groundwater monitoring for gasohne oxygenates/addinves <br /> other than MTBE was discontinued <br /> T a as of the third quarter 2000 MTBE and BTEX are analyzed by EPA Method 8021B <br /> *=As of the fourth quarter 2002 MTBE and BTEX we analyzed by EPA Method 8020 <br /> •*•-As of the first quarter 2003 groundwater monitoring for other oxygenates/addrnvea was reinstated The selected oxygmates/additives include <br /> mcihyl tent butyl ether(MTBE)eth000l(EtOR)teruary butanol(TSA)di isopropyl ether(DIPE) ethyl tort butyl ether(ETRE)tert amyl methyl ether(TAME) <br /> 12 dichloroethme(1 2 DCA) and 12 dibromoethane(EDB)and were analyzed by EPA Method 8230B <br />