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TABLE 3 <br /> MW-3 <br /> Date B T E X TPHg <br /> 7/24/92 21 . 0 ND ND 13 . 0 ND <br /> 10/23/92 ND 0 . 5 0 8 1 . 1 ND <br /> 1/29/93 ND ND ND ND ND <br /> 5/7/93 ND ND ND ND 61 .0 <br /> 8/17/93 ND ND ND 0 . 6* ND** <br /> ALL RESULTS IN ug/L <br /> METHOD - EPA 8260 <br /> DETECTION LIMITS - BTEX: 0 5 ug/L <br /> TPHg: 100 ug/L (7/92 , 10/92 , 1/93 ) <br /> 50 ug/L (5/93 , 8/93) <br /> * Low level concentrations of xylenes are considered to be <br /> suspect since the analyete was detected in the instrument <br /> blank. <br /> ** MW-3 measured 200 ug/L TPH as weathered gasoline <br />