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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 /> htty//www mccamubell corn E-mail maln@mccaznpbell com <br /> 1 <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date 01/10/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked M5 MSD <br /> SamplelD 10902 Instrument GC-10 <br /> Surrogate NO 1060 1060 10000 106 106 0 0 <br /> tert-Amyl Methyl Ether NO 100 101 10 00 100 101 1 0 <br /> Methyl tert-Butyl Ether NO 103 103 10 00 103 103 00 <br /> Ethyl tert-Butyl Ether NO 107 107 1000 107 107 00 <br /> Di-isopropyl Ether NO 103 102 1000 103 102 1 0 <br />' Surrogate ND 1060 1060 10000 106 106 00 <br /> Toluene ND 100 98 1000 100 98 20 <br /> Benzene ND 101 10 1 1000 101 101 0 0 <br /> Chlorobenzene NO 104 104 1000 104 104 0 0 <br /> Tnchioroethene NO 9 0 89 1000 90 89 1 1 <br /> IL 1,1-Dichiorcethene ND 85 8 3 L 00 85 83 24 <br /> h9S—Sample} <br /> °6 Recovery= AmoanrSprked 100 <br /> {rL1;S—A2SIJ} <br /> RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />