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SEQUOIA ANALYTICAL <br /> CIN.CA 94063 <br /> Ito (415)364-9600 - FAX(415)364.9233 <br /> Delta Environmental Consultants C7lent Prajea 10: 0404L9012.05,Shall.Tracy <br /> X330 Data Orive <br /> Rancho Cordova.CA 9wo <br /> Attention: Jlm 3rowneci {3C Sam a Group:008-1928 Reported Aug 17, 1990 <br /> QUALITY CONTROL DATA REPORT <br /> ANALTM PH Cyeuds <br /> Method: ESA ea04a EPA=3 <br /> AnalySt: A.Pawu k Marwn <br /> Reporting Unit= NA flVft <br /> Date Arwhaed: Aug 9. 1990 Aug 9. 1= <br /> Qui Sarnpie 10: oGII-142 O .1162 { <br /> Sample Conc.: 6.7 Q020 <br /> Spike Canc. <br /> Added: NA 1.0 <br /> Cone.Matrix <br /> Spike: NA Q65 <br /> Matrix Spike <br /> �. %Recovery: NA 63 <br /> Cone-Matrix <br /> Spike Oup.: 6.7 0.64 <br /> Matrix Spike <br /> Duplicate <br /> %Recovery: NA 62 <br /> — Relative <br /> %Difference: Q 1.6 <br /> SE{ UOtA ANALYnCAL. % � ea hL at Sim-rigz 100 <br /> iiWwa x ate: Cance of 6L$-cwim cr M.&M x 100 <br /> _ Vickie1'agtte i ar w n.i z <br /> Praha Manager <br /> al9zaoLr �.> <br />