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' 1 t 0 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hM7 l/www mccamobell.eorra E-mail:main@mccampbell.com <br /> QC REPORT <br />' VOCs (EPA 824018250) <br />' Date: 10/12/00-10/13100 Matrix: Water <br /> Extracticn: NIA <br />' Concentration: ug/i_ %Recovery <br /> Compound Amount RPD <br /> Sample MS MSC Spiked MS MSD <br />' SampleiD: 11100 Instrument: GC-4 <br /> ' Surrogate 0.000 i 91.0 94.0 100.00 91 94 3.2 <br /> ! tert-Amyl Methyl Ether 0.000 107.0 113.0 100.00 107 113 5.5 <br /> Methyl Cert-Butyl Ether 0.000 128.0 128.0 100.00 128 128 0.0 <br /> Ethyl tert-Butyl Ether 0.000 123.0 126.0 100.00 123 126 i 2.4 <br /> Ci-isopropyl Ether 0.000 127.0 129.0 100.00 E 127 129 ! 1.6 <br /> Surrogate 0.000 106.0 ! 108.0 100.00 106 108 1.9 <br /> Tolune 0.000 99.0 100.0 100.00 99 100 1.0 <br /> ' • Benzene 0.000 116.0 119.0 100.00 116 119 2.6 <br /> ! Chloroberizene 0.000 99.0 102.0 ; 100.00 99 102 3.0 <br /> Trichloroethane 0.000 91.0 92.0 ! 100.00 ��90 <br /> 92 1.1 <br /> i,1-Cichloroethene 0.000 90.0 90.0 100.00 90 0.0 <br /> t <br /> MS-Sample <br /> Recovery= AmountSpiked 100 <br /> MS-MSD) <br /> RPD= •2-100 <br /> ' (MS+MSD) <br /> RPD means Relative Percent Deviation <br />