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110 2nd Ave. South,# ,Pacheco,CA 94553-5560 <br /> MCCAWBELL ATLYTICALINC. Telephone:925-798-1620 Fax:925-798-1622 <br /> bnp-//www.mccW=bell.com E-mail:main®mccampbell.com <br /> QC REPORT <br /> VOCs (EPA 8240/8260) <br /> Date: 03/07/00-03/08/00 Matrix: Soil <br /> Extraction: N/A <br /> Concentration: ug/kg %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> Sample)D: 29736 Instrument GC-4 <br /> Surrogate 0.000 108.0 94.0 100.00 108 94 13.9 <br /> tert-Amyl Methyl Ether 0.000 99.0 1 107.0 100.00 99 ! 107 7.8 <br /> Methyl tert-Butyl Ether 0.000 93.0 ! 107.0 100.00 93 107 14.0 <br /> Ethyl tert-Butyl Ether 0.000 108.0 107.0 100.00 108 107 0.9 <br /> Di-isopropyl Ether 0.000 103.0 101.0 100.00 103 101 2.0 <br /> (MS—Emnpfe) <br /> :L Recovery= Amou.,Spika 100 <br /> (MS—MED) <br /> RPD= 2100 <br /> (MS+MSD) <br /> RPD means Relative Percent Deviation <br />