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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-I620 Fax 925-798-1622 <br /> http//www mccampbefl coal E-mail main@mccampbell com <br /> • QC REPORT <br /> I VOCs EPA 8240/8260 <br /> IDate 0712$100-07129100 Matrix Soil <br /> Extraction NIA <br /> Concentration ug/kg %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSI] <br /> SampleiD 81400 Instrument GC-10 <br /> Surrogate 0 000 1170 1180 10000 117 118 09 <br /> tent-Amy! Methyl Ether 0 000 1020 1070 10000 102 107 48 <br /> Methyl tert-Butyl Ether 0 000 1160 1190 10000 116 119 26 <br /> Ethyl Cert-Butyl Ether 0 000 1110 1140 10000 1 i 1 114 27 <br /> Di-isopropyf Ether 0 000 1050 1100 10000 105 110 47 <br /> ISurrogate 0 000 950 91 0 10000 95 91 43 <br /> Tolune 0 000 111 0 960 10000 111 96 145 <br /> r� Benzene 0 000 101 0 1050 10000 101 105 3 9 <br /> Chlorobenzene 0 000 1070 1120 10000 107 112 4 6 <br /> Tnchloroethane 0 000 800 860 10000 I 80 86 72 <br /> 1,1-Dichloroethene 0 000 1030 105 0 10000 103 105 1 9 <br /> I <br /> 9,0 <br /> I ' <br /> (MS-Sample <br /> Recovery= Amoundprked IQ� <br /> (MS-MSD <br /> RPn� 2100 <br /> (MS+MSD) <br /> RPD memts Relanve Percent Deviation <br />