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110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> VmrCCAMPBELL ,ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www.mccampbellco E-mail main@mccampbell com <br /> • QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 04/11/01-04/12/01 Matrix Water <br /> Extraction N/A <br /> rConcentration ug/L %Recovery <br /> Com oundAmount 7 RPD <br /> p `Sample MS MSD Spiked <br /> MS MSD J <br /> SamplelD 41101 Instrument GC-10 <br /> LEurogate 0000 101 0 1080 �1 <br /> 1 10000 101 108 J 67 l <br /> u <br /> E tert-Amyl Methyl Ether 1� 0 000 740 760 i 10000 I�� 74 76 27 <br /> Methyl tert-Butyl Ether 0 000 790 750 i 10000 79 75 52 <br /> Ethyl tert-Butyl Ether 0 000 840 750 10000 84 75 113 I <br /> Dl-Isopropyl Ether 0 000 990 890 10000. 99 89 106 <br /> Toluene 0000 1050 900 10000 105 90 I 154 <br /> I <br /> Benzene 0 000 1100 96 0 it 10000 110 96 136 <br /> Chlorohenzene 0 000 1030 91 0 ; 10000 103 91 12 4 i <br /> Trichloroethane 0 000 850 740 10000 85 74 138 <br /> 1,1-Dlchloroethene 0 000 870 740 j 10000 87 74 161 i <br /> I <br /> I <br /> MS—Sample} <br /> Y Re covery= Amauntsptked i00 <br /> MS—MSD <br /> RPD= 2100 <br /> I MS+MSD) <br /> RFD means Relative Percent Deviation <br />