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Sequoia 660 Chc,.pcakc Dnve Redwood Ciry CA 94063 (415) 364 9600 FAX(415) 364 9033
<br /> 1900 Bates Avenue,Sufic L Concord,CA 94520 (510) 686 9600 FAX(510)666 909
<br /> N0F Analytical 619 Sinker Avenue Suite 8 Sacramento,CA 95634 (916) 921 9600 FAX(916)921-OIDD
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<br /> est Cilen^,nt Project iD. 2318 00/WVeber Drive, Sto&4don, CA k
<br /> otelho Dr, Suite 260 Matrix Sol
<br />' tut Creek, CA 94596
<br /> on JIII Quillen OC Sample Goup. 409x559-567 Reported: Sep 26, 1994 Sy
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<br /> QUALITY CONTROL DATA REPORT
<br /> ANALYTE Ethyl-
<br /> Benzene Toluene Benzene Xylenes
<br />' Method: EPA 8020 EFA 8020 EPA 8020 EPA 6020
<br /> Analyst: FL Geckler R Geckler R Geckler R.Geckler
<br />�oncentratlon
<br /> Spiked: 0 20 mg/Kg 020 mg/Kg 0 20 mg/Kg 0 60 mg/Kg
<br /> LCS Batch: N/A N/A N/A N/A
<br /> tte Prepared: N/A N/A NIA N/A
<br />]ate Analyzed: N/A N/A N/A N/A
<br /> ljument 1.13 #r: N/A N/A N/A N/A
<br /> LCS %
<br /> Introl
<br /> Recovery. N/A N/A N/A N/A
<br /> Limits: 55.145 47-149 57-155 56-140
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<br /> MS/MSD
<br /> Batch 41- 0402915-5 5409915 5 9403915-5 94099155
<br /> ate Prepared: 9/21/94 9/21/94 9/21/s4 9/21/94
<br /> Date Analyzed: 9/21/94 9/21/94 9/21/94 9/21/94
<br />�rument I D.#. GCNP-1 GCNP-1 GCti�P-1 GCNP-1
<br /> Matrix Spike
<br /> % Recovery* 90 90 95 93
<br />' Matrix Spike
<br /> Duplicate %
<br />' Recovery: 65 90 90 90
<br /> Relative %
<br /> Difference: 57 00 54 33
<br /> QUOIA ANALYTICAL Please Note
<br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reacents,
<br /> preparation and analytical methods employed for the samples The LCS%recovery data is used for
<br /> IV v-irrK validation M sample batch results Due to matrix effects,the OC limits for M5/MSDs are advisory only
<br /> a C chneider and are not used to accept or refect batch results
<br /> sect Manager
<br /> 4090559 ERM <3>
<br /> 1 `60'
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