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z. <br /> s Co <br /> Spargero <br /> Analytical Laboratory Division <br /> T6chno Mobile Laboratory Division <br /> 1 Imo• Scientific Division <br /> With Automation in Mind <br /> i <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Mr. Tom Landwehr Date Sampled: Oct 28, 1994 <br /> Apex Envirotech, Inc. Date Received: Oct 31, 1994 <br /> 7844 Mattison Avenue, Suite 106 Date Analyzed: Nov 7, 1994 <br /> Fair Oaks, CA 95628 <br /> Project ID: ERA02.004 Project Name: Moore Petroleum Bulk Plant <br /> Client ID: LCSILCSD LAB ID: ST94-11-007 LCS <br /> ST94-11-007 LCSD <br /> Matrix: Water Dilution: <br /> Conc. Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> r: Benzene 30 ppb ND 31 33 ug/L 103% 110% 6% <br /> Toluene 30 ppb ND 31 33 ug/L 103% 110% 6% <br /> Ethylbenzene 30 ppb ND 30 33 ug/L 100% 110% 10% <br /> Xylenes 30 ppb ND 31 33 ug/L 103% 110% 6% <br /> # Surrogate % Recovery of Trifluorotoluene = 100% LCS 104% LCSD <br /> ppb=parts per billion=ug/L=mierograms per Lfter <br /> ppm=parts per million=ug/mL=micrograms per milliliter <br /> ND=Not Detected. Compound(s)may be present at concentrations below the detection limit. <br /> 1 <br /> Nov 11, 1994 <br /> R.L.James,Principal Chemist Date Reported <br /> SPARGER TECHNOLOGY ANALYTICAL LABORATORY,INC.IS CERTIFIED BY THE STATE OF CALIFORNIA <br /> DEPARTMENT OF HEALTH SERVICES AS A HAZARDOUS WASTE TESTING LABORATORY <br /> (Certification No.1614) <br /> 3050 Fite Circle, Suite 112 Sacramento, California 95827 (996) 362-6947 FAX(946) 362-0947 <br />