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,r `r <br /> Sparger0 Analytical Laboratory Division <br /> TechnologyInc. Mobile Laboratory Division With Automation in Mind Scientific Division <br /> EPA Method 8020 <br /> Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Mr. Jeff Rothgery Date Sampled: Feb 13, 1997 <br /> Apex Envirotech, Inc. Date Received: Feb 13, 1997 <br /> 7844 Madison Ave., Ste. 106 Date Analyzed: Feb 16, 1997 <br /> Fair Oaks, CA 95628 Invoice#: 7431 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum <br /> Client ID: LCS/LCSD LAB ID: 7431-LCS <br /> 7431-LCSD <br /> Matrix: Air Volume: 5 ml <br /> Spike Sample LCS LCSD LCS % LCSD % <br /> Name Added Conc. Result Result Units Recovery Recovery <br /> Benzene 100 ND 87 100 ng 87% 100% <br /> Toluene 100 ND 67 77 ng 67% 77% <br /> Ethylbenzene 100 ND 59 65 ng 59% 65% <br /> m,p-Xylenes 200 ND 121 128 ng 61% 64% <br /> o-Xylenes 100 ND 60 63 ng 60% 63% <br /> ng=nanograms <br /> NO=Not Detected. Compound(s)may be present at concentrations below the detection limit. <br /> i <br /> Feb 25, 1997 <br /> R. nncipal 2Chemist ! Date Reported <br /> SPARGER TECHNOLOGY AZALTH <br /> TICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> ,DEPARTMENT OSERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (CertRcation No.1614) <br /> 80201csa <br /> 3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (916) 362-8947 • FAX(916) 362-0947 <br />