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Sequoia 650 Ch,,opeake Drive Redwood City CA 94063 (415) 364 9600 FAX (415) 364 9233
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<br /> Analytical '9'*Estes Avenue Swtc L Concord CA 94520 (S 10) 656 9600 FAX (SfO)6M96F9619 Sinker Avenue Suite 8 Sacramento CA 95654 (916) 921 9600 FAX (9 16)921 0100
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<br /> -West Client Project 1D. 2318 001Weber Drive, Stockfbfr1;CA
<br /> otelho Dr, Suite 260 Matrix Sol
<br /> I Creek, CA 94596
<br /> tion Jill Oulllin OC Sample Goup 4091380-1390 Reported Oct 11, 1994
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<br /> QUALITY CONTROL DATA REPORT
<br /> Total
<br /> ANALYTE Ethyl- Organic
<br /> Benzene Toluene Benzene Xylenes Carbon
<br /> IMethod. EPA 8020 EPA 8020 EPA 802D EPA 8020 EPA 415 1
<br /> Analyst: N/A N/A N/A N/A N/A
<br /> concentration
<br /> Spiked. 0.20 mg/kg 0.2D mg/kg o 20 mg/kg 0 60 mg/kg 10,000 mg/kg
<br /> LCS Batchn: N/A N/A N/A N/A N/A
<br />'ate Prepared: N/A N/A N/A N/A N/A
<br /> Date Analyzed: N/A N/A N/A N/A N/A
<br /> firrient I D #: N/A N/A N/A N/A N/A
<br /> LCS %
<br /> Recovery: N/A N/A N/A N/A N/A
<br /> itrol Limits: 75-125 75.125 75.125 75.125 80-120
<br /> MS/MSD
<br /> Batch #: 9410006.22 5410005.22 CIA tODC6-22 9410JCS-22 940913341
<br />,ate Prepared: 10/6/94 10/6/94 10/6/L4 10/6/94 10/7/94
<br /> Date Analyzed, 10/6/94 10/6/94 10/6/94 10/6/94 10/7/94
<br /> Iument I D #: GCHP-1 GCHP-1 GCHP-1 GCHP-1 INTOCz
<br /> Matrix Spike
<br /> % Recovery 75 75 BD 78 104
<br /> Matrix Spike
<br /> Duplicate %
<br /> Recovery: 90 90 90 so 98
<br /> Relative %
<br /> Difference: 18 78 12 14 59
<br /> 3E000IA ANALYTICAL Please Note
<br /> tfe '/ The LCS is a control sample of known,interferent tree matrix that is analyzed using the same reagents,
<br /> 7r�� / J ��L i?�+er(��l preparation and analytical methods employed for the samples The LCS', recovery data 1s used for
<br /> ll validation of sample batch results Due to matrix effects,the OC limits for NS/MSDs are advisory only
<br /> C Schneider and are not used 10 accept or refect batch results
<br /> lett Manager
<br /> 4091380 ERM c 5 a
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