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JAN 04 199 03 31PM SEQUOIA/SRC P 11 <br /> Sequoia °Chesapeake Drive Redwood city,CA 94063 (e5o) 364-9600 FAX(650)964 9233 <br /> ID <br /> 404 N 1Mget lane Walnut Creek.CA 94598 (925)988-9600 FAX(925)988.9673 <br /> I)D Analytical 819 Striker Avenue,Suite 8 Sacramento,CA 95834 (916)921-9000 FAX(916)921.0100 <br /> 1655 McDowell 81vd North,Ste D Petaluma.CA 94954 (707)79Z-1865 FAX(707)79Z-0342 <br /> I <br /> cific:Environmental Group-Sao Pr4lect Unocal 0123,Tracy,CA Sampled 10/22/98 <br /> 315 nse Cold Circle St M Proieet Number 910-017 lA Receivr„d 10/22/98 <br /> nchordova,CA 95742 Project Man--- Mike Mttchener Reported 10/30/98 <br /> Total r4tildg by EPA 200 Serifs Meth4dSIQU1611ty Comtsol <br /> Skqun}a Ahilf ical-Sacramento <br /> Date Spike Sample QC Reporting Limit Recov RPD RPD <br /> Ana] c Anal ed Level Result Result Units Recov Limits % Limit °10 Notes* <br /> Jgntch, 8100227 Date papared, 10126191t F.Ytr�a,_ttlon Method. 'RPA 30106, <br /> Blank 8100227 BLKL <br /> Cadmium 10/27/98 ND m0 000500 <br /> Chromium „ ND 000500 <br /> Lead ND 0.0500 <br /> Nickel ND 00200 <br /> Zinc ND 000500 <br /> LfM �Y <br /> Cadmium 10/27/98 0 500 04U mg/1 800-120 970 <br /> Chromium 0 500 0 483 800-120 966 <br /> Lead 0 500 0 488 800-120 976 <br /> Nickel 0 500 0 482 900-120 964 <br /> Zuic 0 500 0 481 800-120 962 <br /> —blatrix SAA 0100227-MSI M0266-02 <br /> dmium 10/27/99 0 500 ND 0 488 mg/1 $00-120 976 <br /> otnlum to 0 500 ND 0 486 " 800-120 97.2 <br /> Lead 0 500 ND 0 489 800-120 918 <br /> Nickel " 0 500 ND 0 481 900-120 962 <br /> Zinc 0 500 ND 0 485 800-120 97,0 <br /> Matrix Spike Dl►n R10o227-MSD1 G8102fifi-02 <br /> Cadmium 10/27/98 0 500 ND 0 480 mg/1 800-120 960 200 165 <br /> Chromium 0 500 ND 0 479 " 800-120 95,8 200 145 <br /> Lead 0 500 ND 0 482 800-120 964 200 144 <br /> Nickel 0 500 ND 0 473 800.120 946 200 5.68 <br /> Zinc " 0 500 ND 0 478 " 800-120 95.6 200 1.45 <br /> quoin Analytical-SaatamenTo *Ref4r to end of report for text of notes and definitions <br /> Page 9 of 12 <br /> Linda C Schneider,Laboratory Director <br />