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SEQUOIA ANALYTICAL <br /> - 1900 88ite8 Avenue a Suite LM a Concord, California 94620 - - - - <br /> (416) 686-9600 a FAX (415) 686.9689 <br /> NApplied GMSyMMISacramarao) plant Project 1D. ARCO#760 /Lodl <br /> 64191 E Power Inn Rd. <br />»aaC8a nw to. CA 96826 <br /> »Alta tiom 91c se F& QC Sample Grout): 1050610-11 Reported: Jun 27. 1a, 1111E <br /> 991 <br /> QUAUTY CONTROL DATA REPORT <br /> pNALY'; EtM <br /> Benzene Toluene Benzene enee <br /> 1 <br /> Method. EPA8015/8020 EPA8013/800 EPA8013/8OZO EPA8018/8= <br /> Analyst: J.F./KL J F/K.L J.F/K L J.F/KL <br /> Reporft Units: pprn PPM PPrn PPM <br /> DALE Analyzed- Jun Zs. 18e1 Jun = 1991 Jun 25, 1091 Jun 25, 1991 <br /> 4C&MOO#. BLiCOB2191 M BLK082191 M SLKDO2191 M BLK=191M <br /> 1 <br /> Sample Conc.: N.D. N D N D N D <br />&pike Conc. <br /> Added: 0.40 0.40 040 12 <br /> Conc.Matft <br /> sow: 0.34 0.33 034 1.0 <br /> WAX Spice <br /> %Recolrely: 85 83 85 83 <br /> Cana.moi <br /> Spike Dup.: 036 0.34 035 10 <br /> llAlft 8pum <br /> wpiiom <br /> %ReCotrory: 90 T _ _ 83 - <br /> % <br /> 3 _%DWwonCe: 5.7 30 29 0 <br /> {iU t ANAL CAL. # �Fieoove7 at 8 .Oono. e x 100 <br /> ''" a a. rt •.. <br /> pskw"9L otif"noe. Coro.of IIA&-Conc.of M 8.D <br /> i �t �1 fl 1 "d� "' of M + f.. , :, <br /> V ...A -"`wr± t <br /> ✓wry+`-�_- <br />