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Sparger <br />Technology <br />Analytical Laboratory Division <br />Mobile Laboratory Division <br />Scientific Division <br />8020 Modified Matrix Spike (MS) & Matrix Spike Duplicate (MSD) <br />BTEX Analysis Report <br />Attention: Mr. James Lessman <br />Invictus Corporation <br />9156 Tavernor Road <br />Wilton, CA 95693 <br />Date Sampled: Sep. 28, 1993 <br />Date Received: Sep. 28, 1993 <br />Surrogate % Recovery of Trifluorotoluene = 97% MS 100% MSD <br />ppb - cern per billion v Iko - mmroprema per kilopnm <br />pert. per million - uplp - mmroorema per pram <br />ND Finn: Nor Dmectee. D.TPWrW IaI me, be presnt at concentrenom below tM Eetecn.1 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. 16161 <br />Oct 1, 1993 <br />DATE <br />3C5G �;te Circ e, Suite '42 • Socrc,mentc, Ccllfcrnlc 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />Project Name: <br />Caltrans - Stockton <br />Project ID: <br />Client ID: <br />MS/MSD <br />LAB ID: <br />ST93-10-001 <br />MS <br />ST93-10-001 <br />MSD <br />Aatrix: <br />Soil <br />Dilution: <br />Conc. <br />Sample <br />MS <br />MSD <br />MS % <br />MSD % <br />% RPD <br />_ Name <br />Spike Added <br />Result <br />Result <br />Result <br />Units <br />Recovery <br />Recovery <br />Recovery <br />Benzene <br />30 ppb <br />ND <br />29 <br />31 <br />ug/kg <br />97% <br />103% <br />7% <br />Toluene <br />30 ppb <br />ND <br />30 <br />32 <br />ug/kg <br />100% <br />107% <br />6% <br />thylbenzene <br />30 ppb <br />ND <br />30 <br />32 <br />ug/kg <br />100% <br />107% <br />6% <br />Xylenes <br />30 ppb <br />ND <br />30 <br />32 <br />ug/kg <br />100% <br />107% <br />6% <br />Surrogate % Recovery of Trifluorotoluene = 97% MS 100% MSD <br />ppb - cern per billion v Iko - mmroprema per kilopnm <br />pert. per million - uplp - mmroorema per pram <br />ND Finn: Nor Dmectee. D.TPWrW IaI me, be presnt at concentrenom below tM Eetecn.1 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. 16161 <br />Oct 1, 1993 <br />DATE <br />3C5G �;te Circ e, Suite '42 • Socrc,mentc, Ccllfcrnlc 95827 • (916) 362-8947 • FAX (916) 362-0947 <br />