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r110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAIMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br />' httD//www mccampbell cam E-mail main@mccampbell corm <br />' QC REPORT <br /> VOCs (EPA 824018260) <br /> I <br />' Date 12/07/01 Extraction NIA Matnx Water <br /> Concentration ug/L %Recovery <br /> Compound Amount i RPD <br /> ISample MS MSD Spiked MS MSD <br /> SamplelD 120701 Instrument GC-Q <br /> Surrogate ND 101 0 990 1000o 101 99 20 <br /> tert-Amy! Methyl Ether ND 99 100 100o 99 100 1 0 <br /> Methyl Cert-Butyl Ether NO 94 95 1000 94 95 1 1 <br /> Ethyl tert-Butyl Ether ND 102 104 1000 102 104 1 9 <br /> Di-i—sopropyl Ether ND 97 100 1000 97 100 30 <br /> Surrogate I ND 101 0 990 10000 101 99 20 <br /> Toluene ND 100 107 1000 100 107 68 <br /> Benzene ND 104 105 1000 104 105 1 0 <br /> Chlorobenzene ND 1fl 3 104 10 00 1 103 104 I 1 0 <br /> Trichloroethene ND 84 8 4 1000 84 84 0 0 <br /> 1,1-{DEchloroethene ND 103 105 1000 103 105 1 9 <br /> A9S-Sample <br /> %Re covery 3 100 <br /> AmoantSprkeri <br /> RPD= 2100 <br /> (MS+A,&D) <br /> RPD means Malrve Percent Deviation <br />