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Sequoia 680 Chesapeake Dnve Redwood City CA 94063 (650)364-9600 FAX(650)364-9233 <br /> 4D 404 N W1get Lane Walnut Creek,CA 94598 (925)988-9680 FAX(925)988-9673 <br /> Analytical 1455 <br /> Striker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455!McDowell Blvd North Ste D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> * n" ' ' <br /> � vu ... pvvler-AYy - Lublin 'Client project 1171!"'!!noxa! SS#0187, Stockton <br /> 6747 Sierra Court, Suite J Matrix Liquid >{ <br /> f Dublin, CA 94568 <br /> Attention Deanna Harding QC Sample Group 9020651.668 Reported Feb 16, 1999 x <br /> $}i kA�}1xy Sn ry r u n <br /> } w ,...}V r Y ,. ,v rw n t v nn v n,v i^+ 1 .nj n r r w w t r V x »V ♦h r } r <br /> .... v • ...f w nv r <br /> QUALITY CONTROL DATA REPORT <br /> Analyte pH Dissolved Dissolved Dissolved Dissolved <br /> Carbon Dioxide Oxygen Nitrogen Methane <br /> Analy Method EPA 150 1 ASTMD ASTMD ASTMD ASTMD <br /> Prep Method EPA 150 1 3416M 3416M 3416M 3416M <br /> Analyst K Anderson K Grubb K Grubb K Grubb K Grubb <br /> Duplicate <br /> Sample# 9020661 9020664 9020664 9020664 9020664 <br /> Prepared Date 2/5/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Analyzed Date 2/5/99 2/9/99 2/9/99 2/9/99 2/9/99 <br /> Instrument I D # INPH-1 HP 8A HP-SA HP-8A HP-8A <br /> Sample <br /> 4poncentration 7 5 pH units 80% 11 % 47% 10% <br /> Dup. Sample <br /> Concentration 7 4 pH units 87% 11 % 48% 1 1 % <br /> RPD 13 84 00 21 95 <br /> RPD Limit 0-30 0-50 0.50 0-50 0-50 <br /> SEQUOIA ANALYTICAL, #1271 <br /> 111annee Fegley <br /> Project Manager Mi RPD-Relative%Difference <br /> 9020651 GET <29> <br />