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05/08/98 16:28 $918 362 0947 SPARGER [7]0041004 <br /> Spargw- Analytical Laboratory Division <br /> T6chr*k4yft- Mobile Laborattxy Division <br /> Sclentfic Divislon <br /> With AUfc;mcatiOr? in Mind <br /> EPA Method 8020 <br /> Modified Matrix Spike (MS):& Matrix Spike Duplicate (MSD) <br /> BTEK Analysis Report <br /> Attention: Mr. Tom Landwehr Date Sampled: Apr 30, 1998 <br /> Apex Envirotech, Inc. Date Received: May 1, 1998 <br /> 7844 Madison Ave. Ste. 106 Date Analyzed: May 4, 1998 <br /> Fair Oaks,CA 95625 Invoice#/:: 9451 MAY98 <br /> Project ID: ERA02-009 Project Name., Manteca Moore Petro, <br /> Client ID: MS/MSD (Batch) LAB 1D: 9450-001MS <br /> 9450-001 M Sp <br /> Matrix: Water Dilution 1: 1 <br /> Spike Sample MS MSD MS% MSD% % RPD QC Limns <br /> Analyte Added Conc. Result Result Units Recovery Recovery Recovery RPD %Rec <br /> Benzene 30 2.1 33 35 ug/I 103010 110% 6% 20 65-135 <br /> Toluene 30 0.5 30 32 Ug/I 95% 105% 6% 20 65-135 <br /> Ethylbenzene 30 ND 28 30 ugh 93% 100% 7% 20 65-135 <br /> m,p-Xylenes 60 0.4 53 57 ug/I 88% 94% 7% 20 65-135 <br /> o-Xylenes 30 0,3 28 30 ugA 92% 99% 7% 20 65-135 <br /> Surrogate% Recovery of Trifluorotoluene- 100% MS 100% MSD <br /> ppb o Fafa per billion a u2A v miuopraree Pet Ifter <br /> ppm=Parra per mllfien=uy7ml=rnlerosrama per mllllilier <br /> NO c Not Doterted C0 F10 nd s)may be peter t at oonmentrwon.�doW tl10 dotoctian Ifnn, <br /> May 8, 1998 <br /> R, s,p;inclpa!Ch¢rnls! <br /> Date Reported <br /> SPARC-ER TECHNOLOGY ANALYr1CAL LABORATORY,IN:.IS C.E�tTIFIE[7 BY THE STATE OF CALIFORMA <br /> E ePARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORAT 0 <br /> (Ge1111 6atlon No.1614] <br /> 8020MSW.xls <br /> 3050 Fife Circle Suite 112 e Sacramento. Califbrnia 95827 • (995) 362-89Q7 • FAX(946) 362-0947 <br />