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`)eauoia <br /> 0 C^:,aoc3Kr v -�vontl L, -)40o3 _,11 04 9000 '4 15 304,9233 <br /> r ! <br /> 0+7 i�-s r7ce gcora �,:o 10 -30 90oo "�?C i5i0 o36 9689 <br /> mai `t iccaI 13` �c rn4c c a cramcnto k.z 11314 110 9�1 L�osi0 �-LK t916 92? 0100 <br /> 3rown ,�, Caldwell Client Protect IQ —CO 43494-5 Loci <br /> 9616 Micron Avenue Suite 500 Matrix -Ir <br /> Sacramento CA 95827 <br /> -ttention M1ndv Wright OC Sarnole GrouA 4070248 252-253 Reoorted Jul 19 1994 <br /> QUALITY CONTROL DATA REPORT <br /> ANALYTE Ethyl- <br /> Benzene Toluene Benzene Xvlenes <br /> Method CPA 6020 EPA 8020 9-CIA 8020 EPA 6020 <br /> Analyst J Minkel J Minkel J Minkel J Minkel <br /> Concentration <br /> Spiked 10 ug/L -Oug L D ug/L -0 ug,L <br /> LCS Batch# NIA N/A N/A N/A <br /> Date Prepared N/A N/A N/A N/A <br /> Date Analyzed N/A N/A N/A N/A <br /> Instrument I D # N/A N/A N/A N/A <br /> LCS % <br /> Recovery- N/A N/A N/A N/A <br /> Control Limits 71 133 72 128 72-130 71-120 <br /> MS/MSD <br /> Batch # 9407066-06C 9407066-060 9407066-06C M7066-06C <br /> Date Prepared N/A N/A N/A N/A <br /> Date Analyzed 7/7/94 7/7/94 7/7/94 7/7/94 <br /> Instrument I D # GCHP-02 GCHP 02 GCHP-02 GCHP-02 <br /> Matrix Spike <br /> % Recovery 95 95 95 93 <br /> Matrix Spike <br /> Duplicate % <br /> Recovery 100 100 100 ton <br /> R,elative% <br /> Difference 51 51 51 73 <br /> SEQUOIA ANALYTICAL Please NOW <br /> The LCS Is a control sample of known interferent free matrix that Is analyzed using the same reagenis <br /> G < C( [ preparation and anatydcal methods employed for the samples The LCS%recovery data is used for <br /> I validation of sample batch results Due to matrix effects the QC limits for MS/MSD s are advisory only <br /> Craig C Lee and are not used to accept or reject batch results <br /> Project Manager <br /> 4070247 BAS <3> <br /> T <br />