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7I 10 2nd Avenue South, #D7, Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL, INC. Tele: 925-798-1620 Fax:925-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 02/01/99-02/02/99 Matrix: SOIL <br /> I Concentration (mg/kg) 1 1 Recovery I <br /> Analyte ' Sample 1 Amount 1 RPD 1 <br /> I 1495829) MS MSD I Spiked I MS MSD 1 <br /> I TPH (gas) 1 0. 000 2 .167 2.281 f 2. 03 1 107 112 5 .1 <br /> 1 Benzene 1 0.000 0.212 0.210 1 0 -2 I 106 105 0 .9 1 <br /> Toluene 0.000 0.222 0.218 1 0 .2 1 111 109 1.8 I <br /> 1 Ethylbenzene 1 0. 000 0:212 0 .214 I 0 .2 1 106 107 0 .9 1 <br /> Xylenes 1 0.000 0 .618 0.630 1 0 .6 I 103 105 1.9 1 <br /> 1 i I I <br /> I I I <br /> TPH(diesel) 1 0 292 288 1 300 1 97 96 1.5 <br /> 1 I I I <br /> • 1 TRPH I N/A N/A N/A I N/A I N/A N/A N/A <br /> 1 (oil and grease) I I I I <br /> 1 1 I I j <br /> I Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = NS - MSD) / (MS + MSD) x 2 x 100 <br /> • <br />