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4.1 0 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553 <br /> 7McCAMPBELL ANALYTICAL INC. Tele:510-798-1620 Fax: 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 06/1.3/97 Matrix: Water <br /> I I Concentration (mg/L) I I Recovery I <br /> I Analyte I Sample I Amount I RPD <br /> I# (77405) MS MSD I Spiked I MS MSD <br /> I I I I <br /> TPH (gas) I 0 .0 87 .2 97 .S j 100 . 0 1 87.2 97.S 11..2 1 <br /> Benzene I 0 .0 8 .6 9.4 I 10.0 I 86.0 94 . 0 8 . 9 <br /> Toluene I 0 . 0 8 . 9 9.8 I 10 . 0 I 89.0 98. 0 9 . 6 <br /> Ethyl Benzene I 0 -0 9 .1 10 . 1 I 10. 0 I 91 .0 101 . 0 10 .4 <br /> ]xylenes I 0 .0 27 .1 30 .2 ' 30. 0 I 90.'3 100.7 10 . 8 <br /> I <br /> ITPH (diesel) j 0 358 155 j 150 j 105 103 2 .0 j <br /> I I I I <br /> TRPH I N/A N/A N/A I N/A I N/A N/A N/A <br /> (oil & grease) <br /> I I I I <br /> Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPD = (MS - MSD) / (MS + MSD) x 2 x 1-00 <br />