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110 2nd Avenue South #D7,Pacheco,CA 94553 <br /> WCAMPBELL ANALYTICAL INC. <br /> Tele: 925-798-1620 Fax:925-798-1622 <br /> QC REPORT FOR HPDR CARBON ANALYSES <br /> Date: 06/27/99-06/28/99' Matrix: SOIL <br /> Coricentrati'on.- (mg/k )- I I % 'Recovery f <br /> .. Analyte I' 'Sample Amount' I RPD <br /> f <br /> (#09036) MS MSD ' 'Spiked' MS MSD <br /> TPH (gas). . 0.000. 2.181 2.20 2 .03 107 109 - 1.0 I. <br /> Benzene 0 .000. 0.196' 0.200 I 0.2 .98 100 2 .0, <br /> Toluene ' . C 0 .000 .0.202 0.206 6.2 101 103 2 .0 <br /> Ethylbenzene I 0 .000 • 0.206 . 0.208 I 0.2 103' .104.. _ 1.0 <br /> Xylenes 0 .000_ '0.564 0.604• 0 :6 97 101. 3 .4 <br /> TPH(diesel) , I 0. 28'8 29 I, 300 I 96 97. 6.7 <br /> TRPH I. 0.0' 25.7" 25 I 20..B I 124 122 i,2 <br /> I,(oi1 and grease) 1 .: <br /> t Rec. _ (MS '- Sample} / amount sl iked x 100 <br /> i RPD (MS - MSD) /• (MS'+- MSD} x 2 x 100 <br />