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®1/03/2002 13:54 2094671,UB AGE STOCKTON Ak PAGE 02 <br /> 1102nd Ave.South,OWPfthoco,CA 94553-5560 <br /> MDCAMPBELL ANALYTICAL INC. Telephonc:925.798-1620 Fax:925-798-1622 <br /> http://www.mexMobell com E-mail:main@mccam bell.com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date: 10/04/01 Extraction: EPA 5030 Matrix: Soil <br /> Conoentntion: ug/kg %Recovery <br /> Compound I RPD ' <br /> sample MS Amount MSD MS MSd <br /> Spiked — J..._..._. .j <br /> SamolelD: 100901 Instrument GC-12 <br /> Surrogetel NO 1102.000; 97.000 100.00 102 97 5.0 <br /> ._ <br /> Xylenes NO 0.353 0.350 0.30 118 117 0.9 <br /> Ethylbenzene NO 0.116 . 0.114 . 0.10 118 114 1.7 <br /> Toluene NO 0.713 0.108 0.10 113 109 3.6 <br /> Benzene NO 0.109 0.103 0.10 109 103 5.7 <br /> MTBE <br /> NO 0.109 0.106 0.10 109 106 2;8 <br /> TPH(gas) <br /> NO 0,901 0.921 1 1,00 90 92 2.2 <br /> (AO-5m"pre) <br /> U Re oovmy- Iae <br /> (10-14D) <br /> RPD= .1100 <br /> (Ac'Aar)) <br /> RPD mems Relsdw Peccant Devialion <br />