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110 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-795-1620 Fax:925-798-1622 <br /> http://www•mccampbell,com E-mail:main@mccamgbell.corn <br /> QC REPORT <br /> VOCs (EPA 824018260) <br /> Date: 08/25/00-08/26/00 Matrix: Soil <br /> Extraction: NSA <br /> Concentration: ug/kg %Recovery <br /> Compound Amount RPD <br /> Sample :: MS ; MSD Spiked MS ; MSE) <br /> Samplell): 82400 Instrument: GC-4 <br /> Surrogate 0.000 90.0 7 91.0 140.00 90 91 1.1-- <br /> tert-Amyl Methyl Ether 0.000 ; 92.0 96.0 100.0.0 92 96 4.3 <br /> Methyl tert-Butyl Ether 0.000 : 109.0 108.0 100.00 109 108 0.9 <br /> Ethyl ter#-Butyl Ether 0.000 84.0 81.0 100.00 84 81 3.6 <br /> Dkisopropyl Ether 0.000 90.0 79.0 100.00 90 79 13.0 <br /> MS—Sample <br /> 90 Recovery= 100 <br /> AmauntSpikad <br /> MS—MSD) <br /> RPD= .2-100 <br /> MS+MSD) <br /> RPD means Relative Percent Deviation <br />