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1 <br /> Spargero Analytical Laboratory Division <br /> Mobile Laboratory Division <br /> Technoboyinc. Scientific Division <br /> With Automation in Mind <br /> 1 <br /> 4 j <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> 1 Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention: Mr. Clyde Chapman Date Sampled: Mar 16, 1994 <br /> Ramos Env. Engineering Date Received: Mar 16, 1994 <br /> 1515 S. River Road <br /> W. Sacramento, CA 95691 <br /> 1 <br /> Project ID: 280 Project Name: A Teichert & Son <br /> Client ID: LCS/LCSD LAB ID: ST94-03-018 LCS <br /> ST94-03-018 LCSD <br /> Matrix: Air Dilution: <br /> 1 <br /> Conc. Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 30 30 ug/L 100% 100% 0% <br /> to Toluene 30 ppb ND 31 30 ug/L 103% 100% 3% <br /> Ethylbenzene 30 ppb ND 31 30 ug/L 103% 100% 3% <br /> Xylenes 30 ppb ND 29 31 ug/L 97% 103% 7% <br /> 1 <br /> Surrogate % Recovery of Trifluorotoluene = 100% LCS 97% LCSD <br /> ppb=parts per billion=ug/L=micrograms per Liter <br /> ppm=parts per million=ug/mL=micrograms per milliliter <br /> ND=Not Detected Compound(s)maybe present at concentrations below the detection limit <br /> Mar 21, 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 • (916) 362-8947 • FAX(916) 362-0947 <br />