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110 2nd Ave South,#D7, Pacheco,CA 94553-5560 <br /> 7MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h2p Hwww mecampbell com E-mail maingmccampbell com <br /> • QC REPORT <br /> I VOCs (EPA 824018260) <br />' Date 05131101-06101101 Matrix Water <br /> Extraction NIA <br /> - Concentration ug/L %Recovery <br /> Compound --- --- --- Amount T RPD <br /> - _------_— Sample MS — MSD Spiked MS -__-MSD- <br /> SampleID 53101 instrument GC-10 <br /> Surrogate 0 000 1030— 990 10000 103 99 40 <br /> tert-Amyl Methyl Ether 0 000 1020 950 10000 102 95 ~ 7 1 <br /> Methyl tert-Butyl Ether Tl --0 000 1000 930 10000 100 93 73 <br /> Ethyl tert_Butyl-Ether _ 0 000 1000 - -930— 10000 100 - 93 _ 73 <br /> Di-isopropyl Ether 0 000 1040 970 10000 104 97 70 <br /> Toluene4 ---___ 0 000 940 870 T 10000 94 87 77 <br /> Benzene 0 000 91 0 850 10000 91 85 68 <br /> Chlorobenzene — 0 000 94 0 860 10000 - 94 86 89 <br /> Trichloroethane 0 000 79 0 78 0 10000 79 78 —1 3 <br /> 1 1-Dichloroethene 0 000 870 800 10000 87 80 84 <br />' �MS-Srrmple� <br /> Re covert' AtnoundFked SOD <br /> MS-MSD} <br /> RPp= 2100 <br /> MS rMSD) <br /> RPD means Relative Percent Deviaitun <br />