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IIII <br /> N <br /> d <br /> 110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC. Tele: 925.798. 1620 Fax: 925-7984622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date : 02 / 08 / 99 Matrix : SOIL <br /> Concentration (mg/kg ) Recovery <br /> Analyte Sample Amount RPD <br /> - � ( n95366 ) MS MSD I Spiked j MB MSD <br /> TPH ( gas ) .0 . 000 2 . 195 2 . 222 2 . 03 108 109 1 . 2 <br /> Benzene - 9 . 000 0 . 208 0 . 208 0 . 2 104 104 0 . 0 <br /> Toluene 0 . 000 0 . 216 _ 0 . 210 0 . 2 108 105 2 . 8 <br /> Ethylbenzene 0 . 000 0 . 206 0 . 204 0 . 2 103 . 102 1 . 0 � - <br /> Xylenes I 0 . 000 0 . 600 0 . 598 0 . 6 100 100 0 . 3 <br /> TPH ( diesel ) 0 343 352 300 114 117 2 . 6 <br /> TRPH 0 . 0 23 . 5 20 . 9 20 . 8 113 100 11 . 7 I- <br /> 1 ( oil and grease ) �. <br /> i Rec . _ (MS - Sample) / amount spiked x 100 - <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 100 <br />