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'. 110 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone :925-798-1620 Fax :925-798-1622 <br /> http://www.mcc=pbell.com E-mail:main@mccampbell.com <br /> • QC REPORT <br /> VOCs EPA 8240/8260 <br /> Date: 01/31/02 - Extraction: EPA 5030 Matrix_ Soil <br /> Concentration: ug/kg %Recovery E <br /> CompoundiSampie', MS MSD i Amount M5 MSD RPD <br /> Spiked ---- <br /> SampielD: 20702 Instrument: GC-10 <br /> Surrogate ND ; 95.0 94.0 100.0 -95 94 1.1 <br /> tert-Amyl Methyl Ether ND 52.5 50.5 50.00 105 101 3.9 <br /> Methyl tert-Butyl Ether ; ND 51.5 51.5 50.00 103 103 0.0 <br /> Ethyl tert-Butyl Ether ND 53.0 52.5 ;; 50.00 106 105 0.9 <br /> Di-isopropyl Ether ND 54.0 54.0 50.00 108 108 0.0 i <br /> � Toluene ND 58.5 59.0 50.00 117 118 0.9 �I <br /> Benzene ND 56.5 56.5 50.00 113 113 0A <br /> ' Chiorobenzene _ ND 58.0 585 - - 50_00 116 117 0.9 <br /> Trichloroethene ND 44.5 45.0- II~ 50.00 89 -90 1.1 <br /> 1,1-Dichloroethene ND 39.9 39.0 ! 50.00 80 ` �78 2.3 <br /> ' {ALS-Sample <br /> %Re covery= Anmuni5piked '100 <br /> {ATS-A1SD) <br /> ' RPD= 2.100 <br /> (ALS+iNSD) <br /> RPD means Relative Percent Deviation <br />