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AUG-16-1994 08'49 F 07 <br /> 1 <br /> MATRIX ENVIRONMENTAL LABORATORIES <br /> ANALYSIS: BTEX SPIKE SUMMARY <br /> 1 <br /> CLIENT: Clyde Hebbrou <br /> ' CONTACT: C. Hebbroa Date Sampled: N/A <br /> COC No: 4554 Date Received: N/A <br /> Project Not Apache Plastioe Date Extracted: N/A <br /> ' Sample ID: N/A Date of Analysis: 7/11/94 <br /> Lab ID: KS/MSD Matrix: WATER <br /> ' CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY <br /> uq/L MS MSD MS MSD RPD <br /> b <br /> BENZENE 11.76 10.91 10.75 93% 91% 1% <br /> TOLUENE 17 .92 15.88 15.49 89% 86% 2% <br /> ' ETHYLBENZENE 13.80 13.37 13. 02 97% 94% 3% <br /> ' TOTAL XYLENES 35.28 32.72 32. 38 93% 92% 1% <br /> MS= MATRIX SPIKE <br /> MSD- MATRIX SPIKE DUPLICATE <br /> RPD- RELATIVE PERCENT DIFFERENCE <br /> ' CONC- CONCENTRATION <br /> 1 <br />