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' 110 2nd Ave South,##D7,Pacheco,CA 94553-5560 <br /> MOCAMPBELL ANALYTICAL INC "Telephone 925-798-1620 Fax 925-798-1622 <br /> MIR//www mccampbell com E-mail mamQmccampbell com <br /> 1 <br /> • QC REPORT <br /> VOCs EPA 8240/8260 <br /> Date 03114101-03115101 Matrix Water <br /> Extraction NIA <br /> Concentratton ug/L %Recovery <br /> 1 Compound Amount 1 RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 31401 Instrument- GC-10 <br /> Surrogate 0 000 960 101 0 10000 96 101 51 <br /> tart-Amyl Methyl Ether 0 000 80 0 820 10000 80 82 25 <br /> Methyl tert-Butyl Ether 0 000 830 800 10000 83 80 3 7 <br />' Ethyl tert-Butyl Ether 0 000 830 820 10000 83 82 12 <br /> Di-isopropyl Ether _ 0 000 890 860 10000 89 86 3 4 <br />' Toluene --- - --� '- 0 000 1070 1110 10000 107 111 3 7 <br /> Benzene 0 000 1030 1040 10000 103 104 1 0 <br /> Chlor)benzene 0 000 101 0 1070 10000 101 107 5 8 <br /> Trichloroethane 0 000 820 820 10000 82 82 1101 <br /> 1,1-Dichloroethene _ 1 0 000 94 0 870 10000 94 87 77 <br /> 1 <br /> 1 <br /> I <br /> I. <br /> (MS—Sanwle� <br /> %Recovery= AmoaatSptked �� <br /> I <br /> (MS—MSD RPD- 2100 <br /> (MS+MSD) <br /> RPD mans ReWsve Percent Deviawn <br />