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11 10 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampb_qll.com E-mail main@mccampbell com <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> 1 <br /> Date 06/29/01-06/30/01 Extraction EPA 5030 Matrix Soil <br /> Concentration ug/kg %Recovery j <br /> Compound Amount I RpD <br /> Sample MS MSD Spiked MS MSD <br /> Samnlel❑ 70201 Instrument GC-10 <br /> ' Surrogate ND 1050 1060 10000 105 106 ; 09 <br /> tert-Amyl Methyl Ether ND 61 5 61 5 5000 123 123 0 0 <br /> Methyl tent-Butyl Ether ND 560 525 II 5000 112 105 15 <br /> ' Ethyl tert-Butyl Ether ND 620 560 E 5000 124 112 I 102 <br /> D-isopropyl Ether ND 630 585 5000 126 117 74 <br /> ' Toluene ND 590 585 5000 118 117 09 <br /> Benzene ND 525 535 5000 105 107 1 9 <br /> Chlorobenzene ND 535 540 5000 107 108 0 9 <br /> Trichloroethane ND 475 48 5 5000 95 97 21 <br /> 1,1-Dichloroethene ND 35 0 360 I 5000 70 72 2 8 <br /> MS—Sample <br /> Re cavery= 00 <br /> AmoundSpked l <br /> MS—MSD) <br /> RPD= 2100 <br /> MS+MSD <br /> RPD means Relative Percent Deviation <br />