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f <br /> CHEMTECH ANALYTICAL LABORATORIES <br /> ANALYSIS REPORT CONTACT: G. CpnverSC <br /> CLIENT: Western Geo P.O. : <br /> Date Samples Received: 03-29-91 C7 ID: 1802 <br /> Date of Analysis: 04--01--91 <br /> Sample TO: MW-9 <br /> Lab 10: 910808 <br /> Matrix: Water <br /> ANALYSIS: BTEX. EPA 602 <br /> ug/L REPORTING LIMIT <br /> COMPOUND ( ppb) uq/L ( ppb ) <br /> F3ENZENE <br /> 26. _ _- _0.3 -_ <br /> TOLUENE <br /> 26. 0.3 <br /> ETHYL.BENZENE <br /> NO 0.3 <br /> XYLENES <br /> 17. G'9 <br /> SURROGATE RECOVERY <br /> ACCEPTABLE RANGE <br /> 70Z TO 130% <br /> 151% <br /> NOTE. ( ND ) NOT DETECTED A7 OR ABOVE THE REPORTING LIMITS. <br /> NOTE: Dur to a matrix interference, the surrogate recovery <br /> wGs adversely etfected, but remained identifiable <br /> by retention time. <br />