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' 110 2nd Ave.South,#D7,Pacheco,CA 94553-5560 <br /> McCAMPBELL ANALYTICAL INC. Telephone:925-798-1620 Fax:925-798-1622 <br /> hnp://www.mccampbell.com E-mail:main@,mccampbell.com <br /> • QC REPORT <br /> ' VOCs (EPA 8240/8260) <br /> 1 <br /> Date: 02/21/02 Extraction: EPA 5030 Matrix: Water <br /> ' Concentration; ug/L %Recovery <br /> Compound Amount RpD <br /> Sample: MS MSD Spiked MS MSD <br /> SamplelD: 21102 Instrument: GC-10 <br /> Surrogate LDD <br /> 100.0 98.0 100.00 100 98 2.0 <br /> ' tert-Amyl Methyl Ether 9.5 9.4 10.00 95 94 1.1 <br /> Methyl tert-Butyl Ether 9.3 9.2 10.00 93 92 1.1 <br /> Ethyl tert-Butyl Ether 9.9 9.9 10.00 99 99 0.0 <br /> Di-isopropyl Ether 9.8 1 9.8 10.00 98 98 0.0 <br /> I 1 <br /> 1 <br /> 1 <br /> (A&-Sample) <br /> t %Recovery= AmowSpiked I00 <br /> (AIS-AdSD) <br /> RPD- .2400 <br /> ' (AIS+AISD) <br /> RPD means Relative Percent Deviation <br />