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110 2nd Ave. South,#177,Pacheco,CA 94553-5560 <br /> WCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> http:l/www.mccampbell.com E-mail: main@mccampbell_cum <br /> QC REPORT <br /> Date: 12122100-12123100 Matrix: Air <br /> ,i <br /> Extraction: TTLC <br /> Concentration: uglL %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD: 122200 Instrument: GC-7 <br /> Surrogatel 0.000 91.0 91.0 100.00 91 91 0.0 <br /> Xylenes 0.000 28.2 29.2 30.00 94 97 3.5 <br /> Ethyl Benzene 0.000 9.0 9.3 10.00 90 93 3.3 <br /> } Toluene 0.000 9.0 9.4 10.00 11 90 94 4.3 <br /> Benzene 0.000 8.7 8.9 10.00 87 89 2.3 <br /> ,f MTBE 0.000 9.5 9.8 10.00 95 98 3.1 <br /> GAS 0.000 90.2 92.9 100.00 90 93 30 <br /> SamplelD: 12210012 Instrument: GC-2 A <br /> Surrogate l 0.000 111.0 114.0 100.00 111 114 2.7 <br /> TPH (diesel) 0.000 7850.0 7950.0 L7500.00 1 105 106 1.3 <br /> l <br /> I <br /> i <br /> MS-Sample <br /> Re covert' InrounlSprked '100 <br /> MS-MSD) <br /> RPD= 2.100 <br /> MS+MSD) <br /> L <br /> RPD means Relative Percent Deviation <br />