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' 110 2nd Ave South,4D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Teiephone 925-798-1620 Fax 925-798-1622 <br /> htto//www mccam bell com E-mail main@me:ampbt-11 com <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date 02/12/02 Extraction EPA 6030 Matrix Water <br /> Concentration ug/L %Recovery <br /> CompoundAmount 8130 <br /> Sample MS MSD Spiked MS MSD <br /> Samplell) 21202 Instrument GC-10 <br /> ' Surrogate NO 960 980 10000 96 98 21 <br /> tert-Amyl Methyl Ether NO 116 118 1000 116 118 17 <br /> ' Methyl tert-Butyl Ether NO 106 109 E 1000 106 109 28 <br /> Ethyl Cert-Butyl Ether NO 119 123 1000 ! 119 123 33 <br /> Di-isopropyl Ether ND 1 1 0 119 1000 I 110 119 79 <br /> � Toluene NO 120 11 4 f 1000 120 114 i 51 � <br /> Benzene ND 11 8 120 1000 118 120 1 7 <br /> Chlorobenzene I NO 119 11 6 1000 119 116 2 6 <br /> Tnchloroethene NO 101 101 1000 101 101 00 <br /> ' 1,1-Dichloroethene ND 130 129 1000 130 129 08 <br /> y <br /> ' <br /> %Recovery= AE—Sample) <br /> AmormrSprked !00 <br /> rLLs—�D� <br /> ' RPA= 2 100 <br /> (MS+rL6D) <br /> RPD means Relative Percent Deviation <br />