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' 110 2nd Ave South,#D7,Pacheco,CA 94553-5560 <br /> e MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> http/lwww mcempbell co m E-mail main@mccampbell cam <br /> QC REPORT <br /> ' EPA 8015m + 8020 <br /> 1 <br /> Date 02/21/02 Extraction EPA 5030 Matnx Air <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SarnplelD 22002 Instrument GC-3 <br /> Surrogatel ND 1050 1060 10000 105 106 09 <br /> Xylenes ND 350 334 3000 117 111 47 <br /> Ethylbenzene ND 116 11 1 1000 116 111 44 <br /> Toiuene ND 114 110 1000 114 110 36 <br /> Benzene ND 11 1 107 1000 111 107 37 <br /> ' MTBE ND 93 8 9 1000 93 89 44 <br /> TPH (gas) ND 91 9 8913 10000 92 90 22 <br /> 1 <br /> 1 <br /> 1 <br /> {ASS—Sample} <br /> %Re covery= AmouniSpiked 100 <br /> {1�tS—M4SD) <br /> ' RAD= 2100 <br /> RPD means Relative Percent Devizmon <br />