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680 Chesapeake Drive Redwood City,CA 94063 (650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N.Wiget Lane Walnut Creek,CA 94598 (925)988-9600 FAX(925)988-9673 <br /> 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9600 FAX(916)921-0100 <br /> Analytical 1455 McDowell Blvd.North,Ste.D Petaluma,CA 94954 (707)792-1865 FAX(707)792-0342 <br /> 1551 Industrial Road San Carlos,CA 94070-4111 (650)232-9600 FAX(650)232-9612 <br /> 7CAssociates Inc. ....... Project ID: Inland Paint Co. 5477295.0001 <br /> 1117 Lane Palm Ave. Suite B Matrix: Liquid <br /> Modesto, CA 95351 <br /> Attention: Drew Van Allen QG Sample Group: 9061071-073 Reported: Jun 21, 1999:`:; <br /> QUALITY CONTROL DATA REPORT <br /> Analyte: Benzene Toluene Ethyl Xylenes <br /> Benzene <br /> QC Batch#: GCO61899 GCO61899 GC061899 GCO61899 <br /> 802002A 802002A 802002A 802002A <br /> Analy. Method: EPA 8020 EPA 8020 EPA 8020 EPA 8020 <br /> Prep. Method: EPA 5030 EPA 5030 EPA 5030 EPA 5030 <br /> Analyst'- J. Minkel J. Minkel J.Minkel J.Minkel <br /> M S/MSD#: 9061092 9061092 9061092 9061092 <br /> Sample Cone.. N.D. N.D. N.D. N.D. <br /> Prepared Date: 6/18/99 6/18/99 6/18/99 6/18/99 <br /> Analyzed Date: 6/18/99 6/18/99 6/18/99 6/18/99 <br /> Instrument I.D.#: HP-2 HP-2 HP-2 HP-2 <br /> Cone. Spiked: 20 ug/L 20 ug/L 20 pg/L 60 frg/L <br /> Result: 19 17 18 59 <br /> MS %Recovery: 95 85 90 98 <br /> Dup. Result: 19 18 18 59 <br /> MSD % Recov.: 95 90 90 98 <br /> RPD: 0.0 5,7 0.0 0.0 <br /> RPD Limit: 0-25 0-25 0-25 0-25 <br /> LCS#: 2LCS061899 2LCS061899 2LCS061899 2LCS061899 <br /> Prepared Date: 6/18/99 6/18/99 6/18/99 6/18/99 <br /> Analyzed Date: 6/18/99 6/18/99 6/18/99 6/18/99 <br /> Instrument I.D.#: HP-2 HP-2 HP-2 HP-2 <br /> Cone. Spiked: 20ug/L 20ug/L 20ug/L 60ug/L <br /> LCS Result: 20 18 18 61 <br /> LCS % Recov.: 100 90 90 102 <br /> I <br /> LCS 70-130 70-130 70-130 70-130 <br /> Control Limits <br /> Please Note: <br /> The LCS is a control sample of known,interferent-free matrix that is analyzed using the same reagents, <br /> SEQUOIA ANALYTICAL, #1271 preparation,and analytical methods employed for the samples. The matrix spike is an aliquot of sample <br /> f fortified with known quantities of specific compounds and subjected to the entire analytical procedure. If <br /> • �J n� ��� the recovery of analytes from the matrix spike does not fall within specified control limits due to matrix j <br /> `\1/C✓r�Y interference,the LCS recovery is to be used to validate the batch. <br /> Dimple Sharma **MS=Matrix Spike,MSD=MS Duplicate,RPD=Relative%Difference <br /> Project Manager <br /> 9061071.AAA <4>. <br />