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110 2nd Ave South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell cam E-mail main@mccampbell corn <br /> lie <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> I <br /> Date 03/13/02 Extraction EPA 5030 Matrix Water <br /> E ' <br /> Concentration uglL °Recovery 4 <br /> CompoundAmount RPD <br /> Sample MS MSD Spiked MS MSD <br /> ESamplelD 31502 Instrument GC-4 <br /> Surrogate ND 950 1020 10000 95 102 71 <br /> tert-Amyl Methyl Ether ND 94 97 1000 94 97 31 <br /> i Methyl tert-Butyl Ether ND 93 96 1000 93 96E42 2 <br /> Ethyl tert-Butyl Ether ND 94 98 1000 94 98 <br /> Di-Isopropyl Ether ND 94 99 1000 94 99 52 <br /> I <br /> 1 <br /> 1 <br /> 1 <br /> • <br />' (us-Sample) <br /> 9t,Re covery W Ammm1Sprked 100 <br /> AtiS_AtiSD) <br /> RPD_ 2100 <br />' (AE+A2SD) <br /> RPD tneans Relative Percent Devtahon <br />