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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 /> hip//www.mccarppbcll SQro E-mail main@mccampbell com <br /> t <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br />' Date 05102/00-05/03100 Matrix Soil <br /> Extraction N/A <br />' Concentration ug/kg %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 42600 Instrument GC-4 <br /> Surrogate 11 0 000 1020 1060 10000 102 106 38 <br /> Tolune 0 000 870 890 10000 87 89 23 <br /> Benzene 0 000 1150 1140 10000 115 114 0 9 <br /> ' Chlorobenzene 0 000 860 870 10000 86 87 12 <br /> Trichioroethane 0 000 1010 970 10000 101 97 4 0 <br /> ' 1,1-Dichloroethene 0 000 860 840 10000 86 84 2 4 <br /> Surrogate 0 000 1070 1100 10000 107 110 2 8 <br /> ' . tert-Amyl Methyl Ether 0 000 870 830 10000 87 83 4 7 <br /> Methyl tert-Butyl Ether 0 000 1040 980 10000 104 98 5 9 <br /> ' Ethyl tert-Butyl Ether 0 000 1040 101 0 10000 104 101 2 9 <br /> Di-isopropyl Ether 0 000 98 0 950 11 10000 98 95 3 1 <br /> 1 <br /> 1 <br /> ' • (MS—Sample <br /> %Recovery= Amoundpked inn <br /> (MS—MSD) <br /> RPD= 2100 <br /> ' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />