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• <br />Spargero <br />Technoboyinc. <br />With Automation in Mind <br />Analytical Laboratory Division <br />Mobile Laboratory Division <br />Scientific Division <br />EPA Method 8020 <br />Modified Laboratory Control Spike (LCS) & <br />Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br />Attention: Ms. Sydney Geels Date Sampled: Aug 14, 1997 <br />IT Corporation Date Received: Aug 14, 1997 <br />4585 Pacheco Blvd. Date Analyzed: Aug 14, 1997 <br />Martinez, CA 94553 Invoice #: 8234 <br />Project ID: 770932 Project Name: Pac Bell <br />Client ID: LCS/LCSD LAB ID: 8234-LCS <br />8234LCSD <br />Matrix: Soil Dilution 1: 1 <br />Name <br />Spike <br />Added <br />Sample <br />Conc. <br />LCS <br />Result <br />LCSD <br />Result <br />Units <br />LCS % <br />Recovery <br />LCSD % <br />Recovery <br />% RPD <br />Recovery <br />QC Limits <br />RPD %Rec <br />Benzene <br />30 <br />ND <br />31 <br />30 <br />ug/kg <br />103% <br />100% <br />3% <br />20 <br />65-135 <br />Toluene <br />30 <br />ND <br />32 <br />29 <br />ug/kg <br />107% <br />97% <br />10% <br />20 <br />65-135 <br />Ethylbenzene <br />30 <br />ND <br />33 <br />31 <br />ug/kg <br />110% <br />103% <br />6% <br />20 <br />65-135 <br />m,p-Xylenes <br />60 <br />ND <br />67 <br />64 <br />ug/kg <br />112% <br />107% <br />5% <br />20 <br />65-135 <br />o -Xylenes <br />30 <br />ND <br />32 <br />31 <br />ug/kg <br />107% <br />103% <br />3% <br />20 <br />65-135 <br />Surrogate % Recovery of Trifluorotoluene = 110% LCS 107% LCSD <br />ppb = parts per billion = ug/kg = micrograms per kilogram <br />ppm= parts per million = ug/g = micrograms per gram <br />ND = Not Detected. Compound(s) may be present at concentrations below the detection limit. <br />R. L. James, Principal Chemist <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 />Aug 19, 1997 <br />Date Reported <br />80201css <br />3050 Fite Circle, Suite 112 • Sacramento, California 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />