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08/18/97 10:49 0916 362 0947 SP <br />Spargmer <br />Techlnok4yinc <br />With Aufom&dn in Mirxi I <br />E <br />Mobile Laboratory Divislon <br />Scienc Division <br />EPA Method 8020 <br />Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br />BTEX Analysis Report <br />Attention: <br />Ms. Sydney Geels <br />Date Sampled: <br />Aug 14, 1997 <br />9 <br />IT Corporation <br />Date Received: <br />Aug 14,1997 <br />97% <br />4585 Pacheco Blvd. <br />Date Analyzed: <br />Aug 14,1997 <br />30 <br />Martinez, CA 94553 <br />Invoice 9: <br />8234 <br />Project ID: <br />770932 <br />Project Name: <br />Pac Bell <br />Client ID: <br />MSIMSD(Batch) <br />LAB ID: <br />8229-003MS <br />ND <br />30 <br />28 <br />8229-003MSD <br />Matrix, <br />Sail <br />Dilution 1: <br />I <br />65-135 <br />m,p-Xylones <br />60 <br />ND <br />59 <br />Spike Sample MS <br />MSD IVIS % <br />MSD % % RPD QC Limits <br />Name <br />Added Conc. Result <br />Result Units Recovery <br />Recovery Recovery RPD %Rec <br />Benzene <br />30 <br />ND <br />2a <br />9 <br />ug" <br />87% <br />30% <br />97% <br />20 <br />65-135 <br />Toluene <br />30 <br />ND <br />30 <br />28 <br />ugft <br />100% <br />93% <br />7% <br />20 <br />65-135 <br />Ethylbenzene <br />30 <br />ND <br />30 <br />28 <br />Ugft <br />100% <br />93% <br />7% <br />20 <br />65-135 <br />m,p-Xylones <br />60 <br />ND <br />59 <br />55 <br />ugft <br />98% <br />92% <br />7% <br />20 <br />65-135 <br />o -Xylenes <br />30 <br />ND <br />30 <br />28 <br />ugft <br />100% <br />93% <br />7% <br />20 <br />65-135 <br />Surrogate % Recovery of Tdfluorotoluene 111% NIS. 111% MSD <br />Aug 19,1997 <br />R. L. Jarm, PrindNI Chendst Date Reported <br />SPARSER TEOMOLOGY ANALYTICAL LABORATOW, 14r- IS CERTIFIED BY STATE OF CAUFORNIA <br />OEPARTMEW OF HEALTH SERVICES ASA HAZARDOUe WASTE TEBTM LA TORY <br />r,eedrmthn Nm 1514) <br />8020MSS.xls <br />3050 Fite Circle, Suite 112 9 Socromento, California 95827 * (916) 362-8947 e FAK (916) 362-0947 <br />