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uv. u� V1 io ..0 QVIG ju, ua4r 4IJ17 034 <br /> Sparger - Analytical laboratory Division• Mobile laboratory Division <br /> T6&noIncogy SctenMtc Division <br /> Vllf,)Automohcr 'r, ,'Vbnc1 <br /> EPA Method 5020 <br /> Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br /> BTEX Analysis Report <br /> Attention Mr Jeffrey Rothgery Date Sampled Feb 19, 1997 <br /> Apex Envirotech, Inc Date Received Feb 20, 1997 <br /> 7844 Madison Ave , Ste 106 Date Analyzed Feb 24, 1997 <br /> Fair oaks, CA 95628 Invoke 7455 <br /> k <br /> Project ID ERA02 009 Protect Name Moore Petroleum <br /> Client ID MSIMSD LAB 10 7455-018MS <br /> 7455-018MSD <br /> Matrix Water Dilution <br /> Sp1Ke Sample MS MSD MS % MSD °/a °/o RPD 4C Limits <br /> Name Added Cone Result Result Units Recovery Recovery Recovery RPD %Rec <br /> . Benzene 30 NO 31 29 ugrl 1039/0 97% 7% 20 65-135 <br /> Toluene 30 NO 33 30 ug/I 11D% 100°/0 101y0 20 65-135 <br /> Ethylbenzene 30 NO 33 31 ug/I 11011/1 103% 6% 20 65-135 <br /> m p-Xylenes 60 NO 69 64 ug/1 115% 107% 8% 20 85-135 <br /> o.Xylenes 30 NO 35 32 ugA 197% 107°/a 9%a 20 65-135 <br /> Surrogate °k Recovery of Tnfluorotoluene= 97% MS 89% MSD <br /> ppb=pan por 01ion- W.-rmero9ra+ns Oar lieu <br /> pp,parte Pe•enoun=uglmt i mkwarls per ml'd,iaer <br /> ND a Noi Detected Cempeundfbl may 0*preaen'at conconnatlons oe4aw tRa 2etettbn„mi <br /> Mar 4, 1997 <br /> Pate Reported <br /> R*armes,Pn <br /> SPARG@R TECHNOLOGY ANALYTICAL LAM'!!ATORY INC 1E;E;tTimr=D BY TI,E STATE OF CALIFOWVIA <br /> CepAR—,MEW Of N6ALFH a^ER1r1CF2 AS A WARDOlS MASTE MST NG LABORhTCRY <br /> (CeullcntlrnNo 1C'd) <br /> i <br /> 8020ms'a <br /> 3050 Fik- Circe, SUde 112 * Socrame,7fo, Cohforn,o 95827 - (996) 362-5947 a FAX(916) 362-0947 <br />