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110 2nd Ave South,#D7 Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htto//www mccampbell com E-mail main@mccampbell com <br /> I <br /> QC REPORT <br /> ' VOCs (EPA 824018260) <br /> ' Date 05/31101-06101101 Matnx Water <br /> Extraction N/A <br /> 1 � -------- --- --^ �. Cancentrabon _ uglt %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplefD 53101 Instrument GC-10 <br /> Surrogate 0 000 1030 990 10000 103 99 40 II <br /> ' tert-Amyl Methyl Ether 0 000 1020 950 10000 102 95 T 71 <br /> Methyl tert-Butyl Ether 0 000 1000 930 10000 100 93 73 <br /> ' Ethyl tent-Butyl Ether — 0 000 1000 930 10000 100 93 - 73 <br /> Di-Isopropyl Ether 0 000 1040 970 10000 104 97 70 <br /> ' - <br /> Toluene <br /> v- - 0 000 940 870 10000 94 87 y 77 <br /> Benzene 0 000 910 850 10000 91 85 6 8 <br /> Chlorobenzene 0 000 940 860 _10000 94 86 ; 89 <br /> Tnchloroethane 0 000 790 780 10000 79 78 , 13 <br /> 1,1-Dtchloroethene 0 000 870 800 10000 87 80 84 <br /> I <br /> 1 <br /> MS—Semple) <br /> E Re covery= Amaunl5ped— 100 <br /> (MS--MSD} <br /> RPD= --- 2100 <br /> (MS+MSD) <br /> ' RPD means Relative Percent Deviation <br />