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Table 1. Comparison of EPA 8020 and EPA 8240 MTBE Anaiytical Results <br /> TOTAL I UU2EA a NUMBER OF a0202. 3020c false <br /> SAMPLES (8020 L SAMPLES WITH APIA' $240 8244 positive <br /> $240 VALUES >20 y 40% <br /> 12 go)a <br /> A IS T JU I=W A IS j T is <br /> S 7 9 0 25 t la 2 0 6 1 5 0 <br /> IrITBt~ <br /> low (2a- 170 <br /> S EX <br /> (tQ 73 5 6 7 5 23 1 2 1 3 7 3 4 0 <br /> PPb)or 9 )TITHE <br /> (NO-7) (2404.+) <br /> 4 2 2 0 8 1 2 0 0 3 3 4 0 <br /> MTBE <br /> high (20-170 <br /> STEX b1 <br /> 17 10 13 2 42 10 8 1 1 1 8 S 1 0 2 <br /> pbb)or S MTBE <br /> �$ <br /> RPU= dierence betrrven concena-askm reported by EPA 802owd 8240;drvidsd bry tt+e average at EPA=0and 8240 <br /> con,cntrafims: =114¢1Ied by 100. <br /> A=ARCO - <br /> S=Shed <br /> T-Texaco <br /> U�Unocal <br /> d <br />