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III 2nd Avenue South,#D7, Pacheco,CA 94553 <br /> MCCAMPBELL ANALYTICAL INC. Tele: 925.798-1620 Fax:925-798-1622 <br /> QC REPORT FOR VOCs (EPA 8240/8260 ) <br /> 1 Date: 09/29/99-09/30/99 Matrix: SOIL <br /> Concentration (ug/kg,ul I k Recovery l <br /> l Analyte l Sample I Amount 1 RPD <br /> 1 (#0$229) MS MSD l Spiked l MS MSD l <br /> 11, 1-Dichloroethe� 0 121 117 l 100 l 121 117 3 .4 l <br /> 1 ITrichloroethene 1 0 104 97 I 100 l 104 97 7.0 1 <br /> IEDB 1 N/A N/A N/A l N/A I N/A N/A N/A l <br /> IChlorobenzene 1 0 9B 96 I 100 I 98 96 2 .1 <br /> IBenzene 1 0 105 101 l 100 I 105 101 3 .9 <br /> 1 ( Toluene 1 0 121 121 l 100 I 121 121 0 . 0 I <br /> I I I I f <br /> 1 Rec. _ (MS - Sample) / amount spiked x 100 <br /> RPR IMS - MSD) / (MS + MSD) x 2 x 100 <br /> 1 <br /> 1 <br /> i <br /> 1 <br />