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0 <br /> MATRIX ENVIRONMENTAL LABORATORIES <br /> 3017 KILGORE ROAD#100 RANCHO CORDOVA CA 95742 PHONE(916)635-3962 FAX(916)635-9331 <br /> ANALYSIS BTEX SPIKE SUMMARY <br /> CLIENT: Dana Booth <br /> CONTACT: . Date Sampled: N/A <br /> COC No: 4737 Date Received: N/A <br /> Project No: 390001/1324 Date Extracted: N/A <br /> Sample ID: N/A Date of Analysis: 11/4/94 <br /> Lab ID: MS/MSD Matrix: WATER <br /> CONC CONC PERCENT <br /> COMPOUND SPIKED MEASURED RECOVERY <br /> ug/L MS MSD MS MSD RPD <br /> (PPb) <br /> BENZENE 11. 76 10.87 10.45 92% 89% 4% <br /> TOLUENE 17 . 92 16. 54 16. 12 92% 90% 3% <br /> ETHYLBENZENE 13 . 80 12 . 57 1.1.98 91% 87% 5% <br /> TOTAL XYLENES 35.28 33 . 11 32 . 03 94% 91% 3% <br /> MS= MATRIX SPIKE <br /> MSD= MATRIX SPIKE DUPLICATE <br /> RPD= RELATIVE PERCENT DIFFERENCE <br /> CONC= CONCENTRATION <br />