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oau esapea a Unve Redwood City CA 94063 (415) 364 960r t•AX(4131 364 9233 <br /> 404 N Wiget Lane Walnut Creek,CA 94598 (510) 988 9600 FAX(510)988 9673 <br /> Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916) 921 9600 FAX(916)921 0100 <br /> S ' <br /> Ground Zero Analysts, Inc Client Project ID 6215 Tarn O'Shanter, Stockton <br />' 3422 West Hammer Lane, Ste C294 Matrix Solid <br /> Stockton, CA 95219 r <br /> Attention John Lane Work Order# 951OJ51-01 Reported Nov 7, 1995;, <br /> QUALITY CONTROL DATA REPORT <br />' Analyte: Beryllium Cadmium Chromium Nickel <br /> OC Batch#: ME10309560101VIDE ME10309SW10MDE ME103095W10MDE ME103095601OMDE <br />' Analy. Method. EPA 6010 EPA 6010 EPA 6010 EPA 6010 <br /> Prep Method: EPA 3050 EPA 3050 EPA 3050 EPA 3050 <br /> Analyst: C Medefesser C Medefesser C Medefesser C Medefesser <br />' MS/MSD#: 9510K7501 951OK7501 951OK7501 951OK7501 <br /> Sample Cone : N D N D 62 57 <br /> Prepared Date. 10/30/95 10/30/95 10/30/95 10/30/95 <br />' Analyzed Date 10/31/95 10/31/95 10/31/95 10/31/95 <br /> Instrument LD #: MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone. Spiked- 100 mg/Kg 100 mg/Kg 100 mg/Kg 100 mg/Kg <br />' Result: 100 98 160 160 <br /> MS %Recovery. 100 98 98 103 <br /> Dup. Result. 100 97 170 160 <br /> MSD % Recov 100 97 108 103 <br /> RPD 00 10 61 00 <br />' RPD Limit: 0-30 0-30 0-30 0-30 <br />' LCS # BLK103095 BLK103W5 BLK103095 BLK103095 <br /> Prepared Date- 10/30/95 10/30/95 10/30/95 10/30/95 <br />' Analyzed Date. 10/31/95 10/31/95 10/31/95 10/31/95 <br /> Instrument LD #. MTJA2 MTJA2 MTJA2 MTJA2 <br /> Cone Spiked: 100 mg/Kg 100 mg/Kg 100 mg/Kg 100 mg/Kg <br />' LCS Result. 100 100 100 100 <br /> LCS % Recov. 100 100 100 100 <br />' LCS 75-125 75-125 75-125 75-125 <br /> Control Limits <br /> 1 <br /> Please Note <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> Ygagyy <br /> ANALYTICAL preparation,and analytical methods employed for the samples The matrix spike is an aliquot of sample <br /> fortified with known quantities of specific compounds and subjected to the entire analytical procedure If <br /> the recovery of analytes from tate matrix spike does not fall within specified control limits due to matrix <br />' interference,the LCS recovery is to be used to validate the batch <br /> 7Penner <br /> Project Manager **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference 951OJ51 GGG <4> <br />