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a 110 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax :925-798-1622 <br /> htti)://www.mcewni)bell.com, E-mail:main@mccampbell.com <br /> QC REPORT <br /> EPA 8015m + 8020 <br /> Date: 12/12/01 Extraction: EPA 5030 Matrix: Air <br /> Concentration: ug/L %Recovery <br /> Compound Amount RPD <br /> Sample; MS MSD Spiked MS MSD <br /> SamplelD: 121201 Instrument: GC-12 <br /> Surrogatel ND 98.0 <br /> 99.0 100.00 98 99 1.0 <br /> Xylenes ND 33.1 ; 34.0 30.00 110 113 2.7 <br /> Ethylbenzene ND 10.7 ; 11.2 10.00 107 112 4.6 <br /> Toluene ND 10.5 10.9 10.00 105 109 3.7 <br /> Benzene ND 10.1 10.5 10.00 101 105 3.9 <br /> MTBE ND 8.8 9.2 10.00 88 92 4.4 <br /> TPH (gas) NO 95.5 94.9 100.00 96 95 0.7 <br /> • (MS—Sample <br /> %Re w nz, AneotuerSpiked 100 <br /> (&H-16D) <br /> RPD= •2-100 <br /> (,ILS+MSD) <br /> RPD means Relative Percent Deviation <br />