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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 /> http//www mccampbcll co m E-mail maln@mccarrrpbell com <br />' QC REPORT <br /> VOCs (EPA 824018260) <br />' Date 02/21/01-02/22/01 Matrix Water <br /> Extraction N/A <br /> Concentration ug/L %Recovery <br /> CompoundRPD <br /> MAmount <br /> I Sample <br /> S MSD — MS MSD - <br /> Spiked <br /> SamplelD 22701 Instrument GC-4 <br />' Surrogate 0 000 1010 1020 10000 101 T102 10 <br /> tert-Amyl Methyl Ether 0 000 1060 1010 11 10000 106 101 + 48 <br />' Methyl tert-Butyl Ether 0 000 1120 1130 10000 112 113 09 <br /> Ethyl tert-Butyl Ether 0 000 960 960 10000 96 96 00 <br />' DI-Isopropyl Ether _- w 0 000 940 930 10000 94 93 1 1 <br /> Surrogate 0 000 101 0 990 10000 101 99 20 <br /> Toluene 0 000 940 930 10000 94 93 1 1- <br /> Benzene 0 000 970 96 0 10000 97 96 1 0 <br /> Chlorobenzene 0 000 1000 99 0 10000 100 99 1 0 <br /> ITrichloroethane - - j 0 000 730 72 0 10000 73 72 1 4 <br /> 1,1-Dtchloroethene 0 000 950 900 10000 1 95 90 54 <br /> I <br /> I <br /> 1 <br /> I <br /> I <br /> MS—Sample <br /> Yu Recovery= Amount Sptked 100 <br /> (MS <br /> —MSD <br />' RPD=---2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />