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110 2nd Ave South #D7,Pacheco,CA 94553-5560 <br /> WCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> h //www mccam bell cam E-mail main@mccampbell com <br /> • QC REPORT <br /> VOCs (EPA 824018260) <br /> Date 03/05/02 Extraction EPA 5030 Matrix Air <br /> Concentration ug/L %Recovery <br /> Compound �Amount RPD <br /> �Sample �MS MSplked MS MSD <br /> SamplelD 30102 Instrument GC-10 <br /> Surrogate ND 940 950 10000 94 95 1 1 <br /> tert-Amyl Methyl Ether ND 106 102 1000 106 102 3 8 <br /> Methyl tert-Butyl Ether ND 104 101 1000104 101 29 <br /> Ethyl tert-Butyl Ether ND 109 105 1000 109 105 37 <br /> 1 9 <br /> Di-isopropyl Ether ND 107 103 1000 107 103 3 8 <br /> Toluene ND 10 4 102 1000 <br /> 104 102 <br /> Benzene ND 106 10 3 1000 106 103 29 <br /> • Chlorobenzene ND 107 105 1000 107 105 1 9 <br /> Trichloroethene ND 98 96 10 00 98 96 21 <br /> 1,1-Dichloroethene ND 106 10 8 10 00 106 108 1 9 <br /> I <br /> I <br /> I <br /> MS—Smnple� ' <br /> Re aovcry= 4nrovnlSprked 700 <br /> "D= 2100 <br /> (MS+AED) <br /> ]RPD means Relatve Percent Deviation <br />