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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 /> hW//www mccampbell cam E-mail main@mccampbell com <br /> I QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 09/25/00-09/26/00 Matnx Water <br /> Extraction N/A <br /> I Concentration ug/L %Recovery I <br /> Compound Amount ; RPD <br /> ISample MS MSD Speed MS MSD <br /> Sample[D 93000 Instrument GC4 <br /> i Surrogate 0 000 970 990 I 10000 97 99 20 I <br /> tert-Amy! Methyl Ether 0 000 940 930 10000 94 93 I 1 1 <br /> I Methyl tert-Butyl Ether 0 000 960 920 "0000 <br /> 96 92 43 I <br /> Ethyl tert-Butyl Ether 0 000 95 0 950 95 95 00 <br /> Di-isopropyl Ether j 0 000 940 960 10000 94 96 21 <br /> Surrogate 0 000 1020 900 10000 102 90 1I 125 <br /> Tolune 0 000 900 890 10000 90 89 �I 1 1 <br /> Ii Benzene ❑000 870 97 D 10000 87 97 I 109 <br /> Chlorobenzene 0 000 820 720 10000 82 72 j 130 <br /> Trichloroethane 0 000 930 95 0 1 10000 93 95 21 <br /> 1,1-Dichloroethene 0 000 80 0 83 0 10000 80 83 37 <br /> E <br /> E <br /> E <br /> i <br /> E <br /> {MS—&'.Ple) <br /> %Re covery= 10 <br /> AmaLntSp+ked <br /> MS—MSD <br /> �'b= 2106 <br /> MS�AfSD) <br /> RPS) means Relative Percent Deviation <br />