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' T110 2nd Avenue South, #D7, Pacheco, CA 94553 <br /> McCAMPBELL ANALYTICAL INC Tele 510-798-1620 Fax 510-798-1622 <br /> QC REPORT FOR HYDROCARBON ANALYSES <br /> Date: 06/21/95 Matrix: Soil <br /> Concentration (mg/kg) % Recovery <br /> ' Analyte Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> TAH (gas) 0.000 1.884 2.020 2.03 93 100 7.0 <br /> Benzene 0.000 0.172 0.168 0.2 86 84 2.4 <br /> ' Toluene 0.000 0.184 0.176 0.2 i 92 88 4.4 <br /> Ethylbenzene 0.000 0.186 0.174 0.2 93 87 6.7 <br /> Xylenes 0.000 0.592 0.542 0.6 99 90 8.8 <br /> ' TPH (diesel) N/A N/A N/A N/A N/A N/A N/A <br /> TRPH N/A N/A N/A N/A N/A N/A N/A <br /> (oil & grease) <br /> X Rec. = (MS - Sampte) / amount spiked x 100 <br /> RPO = (MS - MSO) / (MS + MSO) x 2 x 100 <br /> 4 I \ I t 1 � l rY t l `�}-}.v}.h:t,``•If�:l_t i S�i:..,� c� ' ' .S,?.l� !� <br /> :,�'.�fza�.,�.:�"ih�4eL r`a'I �.lrti��tlifir��l.t� �.��zt',4�''•�c ice'., �II _ -- <br />