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1 <br /> 110 2nd Avenue South,#D7,Pacheco,CA 94553-5560 <br /> MCCAMPBELL ANALYTICAL INC Telephone 925-798-1620 Fax 925-798-1622 <br /> hnp//www mccamnbell corn E-mail marn@mccampbeli com <br /> • QC REPORT <br /> ' VOCs EPA 8240/8260 <br /> ' Date 04/17/02 Extraction EPA 5030 Matrix Water <br /> Concentration ug/L %Recovery <br /> Compound Amount RPD <br /> Sample MS MSD Spiked MS MSD <br /> SamplelD 41702 Instrument GC-10 <br /> ' Surrogate NO 990 1020 10000 99 102 30 <br /> tert-Amyl Methyl Ether NO 11 0 108 1000 110 108 1 8 <br /> ' Methyl tert-Butyl Ether NO 105 107 1000 105 107 19 <br /> Ethyl tert-Butyl Ether NO 108 11 1 1000 1 108 111 27 <br /> Di-isopropyl Ether NO 109 110 1000 109 110 09 <br /> 1 • <br /> 1 <br /> 1 <br /> 1 <br /> 1 <br /> 1 - <br /> %Re oovery= AmoeouSprked too <br /> (�_,ygD) <br />' RPD= a IDD <br /> (,mss*ten) <br /> RPD means Rtbwve Percent Dmanon <br />