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r <br /> .ea uoia n[^ saoeaRe _� e -_wnnp i -11}x3 �a 9n()Q =%,X (4151 364 9233 <br /> rf da CS -t�"r�� _ C L -f JrQ l '1 <br /> _ _ � n s+ai.0 --C cSIU� e8o 9o89 <br /> _i'�Cali` =Lu1 i•IrEke- v� u� = r a - -ramenco -34 - ,ou0 =�.X 19W 921 0100 <br /> 5-rown Calowell C:ient Protect ID -rco 2133 Stockton C�k <br /> :616 Micron .Ave Shite 600 'latrlx 'later <br /> -acramento Cr 95827 <br /> 'ttentlon 1111nav Wright CC Samoie Goin) 4090649-650 Renorted Sep 26 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE cthvl- Total <br /> Benzene Toluene Benzene Weries Lead <br /> Method EPA 8020 EPA 3020 _aa 802r' ='48020 -='A 1`3010 <br /> Analyst C Lee C Lee C Lee C Lee D Ballard <br /> Concentration <br /> Spiked 0 ug/L C ug,L )ug/L 7 ug/L 1 0 mg/L <br /> LCS Batch# LCS092294 LCS092294 LCS092294 L-CS092294 LCS092194 <br /> I <br /> i <br /> Date Prepared 9/22/94 9 22/94 9122/94 3/22/94 9/21/94 <br /> Date Analyzed 9/22/94 9/22/94 9/22/94 9/22/94 9/21/94 <br /> Instrument I D # GCHP 2 GCHP 2 GCHP 2 GCHP 2 ICP 1 <br /> LCS % <br /> Recovery 97 97 97 100 101 <br /> Control Limits 75 125 75 125 75 125 75-125 80-120 <br /> MS/MSD <br /> Batch # 4090627 4090627 4090627 4090627 4090473 <br /> Date Prepared 9/22/94 9/22/94 9/22/94 9/22/94 9/21/94 <br /> Date Analyzed 9/22/94 9/22/94 9/22/94 9/22/94 9/22/94 <br /> Instrument I D # GCHP 2 GCHP 2 GCHP 2 GCHP 2 ICP 1 <br /> Matrix Spike <br /> 06 Recovery 95 95 96 97 101 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 96 95 96 97 103 <br /> Relative <br /> Difference 10 00 00 00 20 <br /> SEQUOIA ANALYTICAL Please Note <br /> The LCS 1s a control sample of known Interterent free matrix that 1s analyzed using the same reagents <br /> preparation and analytical methods employed for the samples The LCS%recovery data 1s used for <br /> validation of sample batch results Due to matrix effects the OC limits for MS/MSD s are advisory only <br /> Jennie Higgins and are not used to accept or reject batch results <br /> Protect Manager <br /> 4090649 SRS <3> <br />