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TABLE A (Continued) (onstituent $ T C X MTBE TPII-G FPA Method (602)/ (602)1 (602)/ ((,02)1 (602)/(8260) (503()) (80216) (80218) (80218) (8021 B) /(8021 B) Detection Limits 03 0.13 03 06 l O O 05 ttg/L ltg/L µg/L µg/L Fig/L mg/L SN'-I 1/16/97 41 000 17 000 3 300 6201) [1 4001 120 1115/00 1 100 34 120 250 1 100v 4 1 S1-2 4123198 49 000 66 000 3200 17 000 26 000*v 270 SV-3 7/18/97 71 000 73 000 3 900 19 000 [35 0001 280 10/14/99 9 600 2 100 440 1 400 14,000♦ 25 I i S V-4 7/22/98 71 000 47 000 1 700 9 400 170 000'• 390 7/11/00 5601' 1 1(U' 341' 60P 46000-1 08 SV-5 10/22/97 Si 000 73 000 3 900 19000 37 000*v 290 SV 6 4/21/99 65 000 27 000 2 800 13 000 8 600*v 200 SN'-7 811196 91 000 75 000 3 000 18 000 7 800 360 I 10/23/98 90 000 77 000 3 300 18 000 1 800*v 360 1,V-8 1/21198 87 000 67 000 3200 17 000 6,400*v 310 SV-9 4/2/97 25 000 ND 2 300 1 900 79 000 53 4/12/00 ND(150) ND(150) ND(150) ND(300) 9700♦ ND(25) • B T E X=benzene toluene ethyl benzene and xylene ND—none detected at or above laboratory reported detection]unit TPH-G=total petroleum hydroc-irbons quantified as gasoEme ND(X)=none detected to a level of X MTBE=methyl tertiary butyl ether *=detection limit raised due to elevated petroleum hydrocarbon result NA—not tested for this analyte [a)=rl'A,Method 602 analysis indicates a concentration of x result is not confirmed by EPA Method 8260 however Future analys,s by EPA Method 8260 may indicate that MTBE is not present V=nthei ox}gunatcs/adchtives were analyzed by EPA Method Q60 and were not detected at or above the laboratory reported detection limits e=as of the fourth quau ter 1999 MTBE was analyzed by EPA Method 602 groundwater monitoring for gasoline oxygenates/additives other than M TBE was discontinued IP=as of the tlind quarter 2000 MTBE and BTEX were analyzed by EPA Method 8021B IPage -9-