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' 110 2nd Ave South,#D7,Pacheco,CA 94553-5564 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http//www mccampbell corn E-mail main@mccampbell coin <br /> QC REPORT <br /> ' EPA 8015m + 8020 <br /> 1 <br /> ' Date 06/26/01 Extraction EPA 5030 Matrix Air <br /> Concentration ug/E_ %Recovery <br /> Compound I Amount RPD <br /> Spiked <br /> ' Sample MS MSD MS MSD <br /> SampleO 62001 Instrument GC-7 <br /> Surrogate1 NO 970 980 10000 97 98 1 0 <br /> 1 Xylenes NO 341 351 3000 114 117 29 <br /> Ethylbenzene NO 105 110 1000 105 110 47 <br /> ' Toluene NO 103 107 1000 103 107 38 <br /> Benzene NO 9 6 100 1000 96 100 4 1 <br /> ' MTBE NO 103 106 1000 103 106 2 9 <br /> TPH (gas) NO 1 126 1166 10000 113 117 34 <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> ' MS—Sample) <br /> Re covert'= AmounlSpiked 100 <br /> MS—MSD) <br /> RPD= 2100 <br /> MS+MSD) <br /> RPD means Relative Percent Deviation <br />