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L11.0 2nd Ave. South,# "Pacheco CA 94553-5560 <br /> MCCAMPBELL A4YTICAL INC, Telephone:925-798 0 Fax:'025-798-1622 <br /> http://www.mccamphell.coffi'E-mail:main@,mccampbell.com <br /> ti <br /> F <br /> L QC REPORT <br /> EPA 80 1 5m + 8020 <br /> Date: 03/28/02 Extraction: DPA 5030 Matrix: Air <br /> Concentration: ug %Recovery <br /> Compound Amount RPD <br /> Sample: MS ; MSD f MS; MSD J <br /> . Spiked q <br /> SampleiD� 32202 Instrument GC-7 G <br /> Surrogate1 ND 94.0 94.0 100.00 94 94 0.0� <br /> Xylenes ND 30.4 32.5 30.00 101 108 6.7 <br /> Bthylbenzene ND 9.8 _ 10.3 10.00 I 98 ,; 103 5.0 <br /> Toluene ND 9.6 10.0 10.00 96 100 4.1 I <br /> Benzene ND ; 8.8 9.0 ---10.00— 88 .8 90 2.2 ! <br /> MTBE ND 8.9 8.6 10.00 89 86 3.4 <br /> TPH(gas) ND 95.9 94.7 100.00 96 95 1.3 <br /> Lc� <br /> i <br /> (MS—Sample <br /> Recovery= Ammmdpiked '100 I <br /> RPD=( 2400 ? <br /> MS+MSD) <br /> RPD means Relative Percent Deviation <br />