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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 /> http//www mccampbell com E-mail main@mccampbell com <br /> lie <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date 11/06/01 Extraction EPA 5030 Matrix Air <br /> IConcentration ugll. %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Splked MS MSD <br />' SamplelD 110701 Instrument GC-7 <br /> Surrogatel ND 107 0 1060 10000 107 106 09 <br /> rXylenes ND 321 323 3000 107 108 06 <br /> E=thylbenzene NO 108 108 1000 108 108 00 <br />' Toluene NO 108 108 1000 108 108 00 <br /> Benzene NO 9 9 108 1000 99 108 8 7 <br />' MTBE NO 9 0 9 3 10 00 90 93 33 <br /> TPH (gas) ND 102 2 101 0 100 00 102 101 1 2 <br /> t <br />' (jSample <br /> Re covery= A— 100 <br /> mounfSprked <br /> 1lLS—tVLSD) � <br /> RPD= 2100 <br /> (mss+A4SD) <br /> RPO means Relative Percent Deviation <br />