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110 2nd Ave South,4137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail ma►n@mccampbell corn <br /> QC REPORT <br />' VOCs (EPA 824018260) <br /> Date 08108101-08109101 Extraction N/A Matnx Water <br />' Concentration ug/L %Recovery <br /> Compound Amount Sample MS MSD Sp ked MS MSD RPD <br />' SampielD 80701 Instrument GC-4 <br /> Surrogate NO 1010 1050 10000 101 105 39 <br />' tert-Amyl Methyl Ether NO 101 94101 00 101 94 7 2 <br /> Methyl tert-Butyl Ether NO 87 87 1000 87 87 00 <br />' Ethyl tert-Butyl Ether NO 91 90 1000 91 90 1 1 <br /> DI-isopropyl Ether NO 92 89 10 00 92 89 33 <br />' Surrogate NO 101 0 1050 10000 101 105 39 <br /> Toluene NO 51 5 495 5000 103 99 40 <br /> lieBenzene NO 435 425 5000 87 85 23 <br /> Chlorohenzene NO 440 420 50 00 88 84 4 7 <br /> Trrchforoethane ND 425 41 5 5000 85 83 12Lf2 <br /> 4 <br /> 1,1-Dichloroethene NO 590 575 50 00 118 115 6 <br /> 1 <br /> 1 <br /> C <br />' (hLS—Srnr�ple) <br /> %Recovery= Amow,,s rked 100 <br /> (MS—MSD) <br /> RPD= 2100 <br />' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />