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r 680 Chesapeake Drive Redwood City CA 940630(650)364-9600 FAX(650)364-9233 <br /> Sequoia 404 N W1ge1 Lane Walnut Creek.CA 94598 (925)988-%00 FAX(925)988-9673 <br /> Anal1Ca 819 Spiker Avenue Suite 8 Sacramento CA 95834 (916)921-9600 FAX(916)921-0100 <br /> 1455 McDowell Blvd North Ste D Petaluma CA 94954 (707)791-1865 FAX(707)792-0342 <br /> i <br /> 'a ATC Associates, Inc Client Prol ID Bozzano Property Sampled 06/18/98 <br /> 1260 Graphics Drive Sample Descript BP-S81-15 5 Received 06/19/98 , <br /> '; Modesto, CA 95351-1502 Matrix SOLID Extracted 06/24/98 n, <br /> luAnalysis Method 8015Mod/8020 Analyzed 06/25/98 j <br /> Attention Tom Lutterman _ _ Lab Number 9806E06-01 _ _ `Reported oV3ofgs� <br /> ~~•••� _ ~~ ~ •• –=–==_�--i�Li lvii_�iu�V.4^iiL.l:-�4 SS i.���~.{t:�.....1.fit i=fit =i--=—fiw–.SiWuimrtlui;i�irs�ii.�-i�v1i=_L�i,ll=S.L�i <br /> Ly,i.�l..11.:.~««~~C...........i.:..»..SiWi..IMM.«..iMi....~.....:..ci~w.i i SSiLiiiiL�ii..~�l__i3ii--i=1i--1—_17�.�_ ••• •••^• — <br /> OC Batch Number GC062498BTEXEXB <br /> Instrument ID GCHP07 <br /> Total Purgeable Petroleum Hydrocarbons (TPPH) with BTEX <br /> Analyte Detection Limit Sample Results <br /> mg/Kg mg/Kg <br /> TPPH as Gas ... .,., 100 .. .. 620 <br /> Benzene 0 50 ND <br /> Toluene 050 .. 4.5 <br /> Ethyl Benzene 050 - - -... 6.0 <br /> Xylenes (Total) 0 50 43 <br /> Chromatogram Pattern <br /> Weathered Gas C6-C12 <br /> Surrogates Control Limits% % Recovery <br /> Tnfluorotoluene 70 130 96 <br /> 4-Bromolluorobenzene 60 140 80 <br /> 0 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL - ELAP *1210 <br /> Project Manager Page 4 <br />