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' 110 2nd Ave South,#137,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> htta l/www mccampbell com E-mail maln@mccampbell corn <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> 1 Date 01/16/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br />' I Sample MS MSD Spiked MS MSD <br /> SamplelD 91302 Instrument GC-12 <br />' Surrogate's ND 970 990 10000 97 99 20 i <br /> Xylenes NO 31 1 333 3000 104 ill 68 <br />' Ethylbenzene NO 105 110 1000 105 110 47 <br /> Toluene NO 103 108 1000 103 108 47 <br /> Benzene NO 101 106 1000 101 106 4 8 <br />' MTBE ND 9 5 9 3 1000 95 93 21 <br /> TPH (gas) NO 916 96 2 10000 92 96 4 9 <br /> 10 <br /> 1 <br /> 1 <br /> S <br />' (hLS—San+Pie) <br /> %Recovery= RnjounfSpAed l00 <br /> (mss-n�sD) <br />' RPA= 2100 <br /> (MS+h?SD) <br /> RPD means Relahve Percent Deviation <br />