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110 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC. Tefe: 925-798-1620 F'ax: 925-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 02/12/99-02/13/99 Matrix: SOIL <br /> I I Concentration (mg/kg) I I % Recovery 1 <br /> I Analyte ( Sample I Amount I RPD 1 <br /> I I (498802) MS MSD I Spiked I MS MSD 1 <br /> I I I I <br /> f I I { <br /> TPH (gas) 1 0 .000 2.396 2 .446 I 2 .03 I 118 120 2.1 1 <br /> 1 Benzene 1 0 .000 0.216 0.216 i 0 .2 I 108 108 0.0 1 <br /> Toluene 1 0 .000 0.232 0.232 I 0 .2 I 116 II6 0.0 1 <br /> 1 Ethylbenzene 1 0 .000 0.218 0 .222 I 0.2 I 109 111 1. 8 1 <br /> Xylenes 1 0 .000 0.648 0.656 I 0 .6 I 108 109 1.2 1 <br /> I I I [ <br /> I I I 1 <br /> TPH(diesel) 1 0 269 270 1 300 I 90 90 0.4 1 <br /> I I I I <br /> TRPH I 0 .0 20 . 0 23 .7 1 20.8 1 96 114 16.9 <br /> 1 (oil and grease) 1 I <br /> f I I <br /> k Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD (MS - MSD) / (MS + MSD) x 2 x 100 <br />