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r. <br />� 310 2nd Ave. South,#D7,Pacheco,CA 94553.5560 <br /> McCAMPBELL ANALYTICAL INC. 'telephone:925-798-1620 Fax:.925-798-1622 <br /> http://www.mccamo6ell-cpm E-mail: main@mccarnpbell.com <br /> QC REPORT <br /> VOCs EPA 8240/8260 <br /> ' Date: 02121/01-02122/01 Matrix: Water <br /> Extraction: N/A <br /> j Concentration: uglL ' %Recovery i <br /> CompoundAmount I RPD <br /> !Sample MS MSD Spiked MS ; MSD I <br /> SamplelD: 22701 instrument: GC-4 <br /> �Surrogate f 0.000 101.0 102.0 1.00.00 101 102 j 1.0 j <br /> ert-Amyl Methyl Ether 0.000 106.0 101.10-1. 100.00 106 101 �' 4.8 f� <br /> I Methyl tert-Butyl Ether 0.000 112.0 113.0�I 100.00 112 113 i1 0.9 <br /> Ethyl tert-Butyl Ether ii 0.000 96.0 96.0 100.00 - 96 96 i 0.0 j <br /> Di-isopropyl Ether it 0.000 94.0 93.0 �� 100.00 94 93 I 1.1 <br /> ' Surrogate 0.000 101.0 99.0 100.00 i 101 99 �� 2.0 <br /> Toluene j 0.000 94.0 93.0 100.00 94 93 1,1 <br /> Benzene 0.000 97.0 96.0 100.00 97 96 1.0 II <br /> Chlorobenzene fl 0.000 100.0 99.0 100.00 ii 100 99 Ij 1.0 <br /> Trichloroethane 0.000 73.0 72.0 � 100.00 j 73 ; 72 1.4 <br /> 1 'i <br /> 1,1-Dichloraethene � 0.000 95.0 90.0 E' 100,00 � 95 90 5.4 i <br />'w <br /> MS-Sample <br /> Y Recovery= A oundpiked 1� <br /> (MS-MSD) <br /> RPD= .2.100 <br />' (MS+MSA) <br /> RPD means Relative Percent Deviation <br />