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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 mccampbell cum E-mail main@mccampbell Com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> I <br /> Date 10105101-10/06/01 Extraction EPA 5030 Matrix Soil <br /> Concentration ug/kg %Recovery <br /> Compound v --- -- - ------ RPD <br /> ! Sample MS MSD Amount MS MSD <br /> � Spiked <br /> SamolelD 92801 Instrument GC-10 <br /> Surrogate — - NO 1050 1050 �� 10000 <br /> 105 105 0 0 <br /> Cert-Amyl Methyl Ether NO 425 430 50 00 85 86 i 12 <br /> Methyl Cert-Butyl Ether NO 440 435 �� 5000 88 -_87 I; 1 1 <br />' Ethyl tert-Butyl Ether NO 46 0— 470 i 50 00 � 92 —^ 94- 2 2 <br /> Di-isopropyl Ether NO 505 515 5000 101 103 T 2 0 <br />' Toluene -- ---- -- ND- --45 0 450 5000 90 90 iI 00 <br /> Benzene NO 52 0 525 50 00 104 105 1 0 <br /> . Chlorobenzene _--_ i NO 48 0 48 0 50 00 96 96 00 <br /> Trichloroethane NO 38 0 38 0 5000 76 76 00 <br /> �1,1-Dichloroethene II NO 44 0 43 5 5000 88 87- 1 1 <br /> 1 <br /> t <br /> 1 <br /> [MS—$aniple� <br /> °r6 Recovery= An+nwnSpiked 140 <br /> [MS—MSD <br /> RFD= 2106 <br />' [MS+MSD) <br /> RPD means Relative Percent Dmation <br />