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Sequoia 680 Chesapeake Dnve Itcdwood Qty;CA 94063 (415) 364-9600 FAx(415) 364-9233
<br /> 404 N W;get Lane Walnut Creek CA 94598 (510) 988-9600 FAX(510)988-9673
<br /> Analytical 819 Stnkcr Avenue,Swte 9 Sacramento,C.A 95834 (916) 921 9600 FAX(916)921-0100
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<br /> r h. r� rnV{rn anA hE3C11ent'Pro'ecL 10' `SIie11, 141 N�M i�orado, SLoCM6t , CA
<br /> 4k5ug'r'6 West, Inc 1
<br /> 1050 Melody Lane, Ste 160 Matrix: Water
<br /> { Roseville, CA 95678Sep 15, 1995
<br /> Attention Sudhakar Talanfa QC Sample Group 509-0177 w Reported
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<br /> QUALITY CONTROL DATA REPORT
<br /> ANALYTE 24-Dinitro- Penta-
<br /> Acenavhthene 4-Nitro hent toluene chicro henol Pyrene
<br /> Method: EPA 625 EPA 625 IPA 625 EPA 625 EPA 625
<br /> Analyst: B Pitamah B Pitamah B Pitamah 8 Pitamah B Pitamah
<br /> Concentration
<br /> Spiked: 200 ug/L 200 ug/L 200 ug/L 200 ug/L 200 ug/L
<br /> 1-CS Batch#- N/A N/A N/A N/A NIA
<br /> Date 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 /> Instrument I D #: N/A N/A N/A N/A N/A
<br /> • LCS % NIA NIA /N A N/A
<br /> Recovery: N/A
<br /> Control Limits: 47-145 RL-132 39-139 14-176 52-115
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<br /> MS/MSD
<br /> Batch #' BS090795 BS090795 SS090795 $5090795 BS090795
<br /> Date Prepared: 9/7/95 9/7/95 9/7/95 9/7/95 9/7/95
<br /> Date Analyzed: 9/8/95 9/8/95 9/8/95 9/8/95 9/8/95
<br /> Instrument LD #' H5 H5 H5 H5 H5
<br /> Matrix Spike
<br /> % Recovery: 60 22 65 65 60
<br /> Matm Spike
<br /> Duplicate
<br /> Recovery- fi0 26 65 70
<br /> Relative%
<br /> Difference: 00 17 00 74
<br /> fi 0
<br /> SEQUOIA ANALYTICAL_ Please Note
<br /> The LCS is a control sample of known,interferent free matrix that is analyzed using the same reagents,
<br /> preparaban and analytical methods employed for the samples The LCS%recovery data is used for
<br /> validation of sample batch results Due to matnx effects,the OC limits for MS/MSD's are advisory only
<br /> Land Schneider �n and are not used to accept or reject batch results
<br /> Project Manager Page 2 of 2 5090177 FUG <9>
<br /> A7;r,
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