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Spargero Analytical Laboratory Dnnsion <br /> Mobile Laboratory Division <br /> Scientific Dmsion <br /> With Autorrichon in Mind <br /> ' 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Lou Smith Date Sampled Jul 12, 1993 <br /> WHF Environmental r Date Received Jul 12 1993 <br /> P O Box 6729 <br /> Modesto, CA 95355-6729 <br /> ' Project ID Project game Afanteca Unified <br /> School District <br /> Client ID LCS/LCSD LAB iD ST93-07-012 LCS <br /> ' Matrix Sall Dilution ST93-07-012 LCSD <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 29 ug/kg 100% 97% 3% <br /> Toluene 30 ppb ND 30 30 ug/kg 100% 100% 0% <br /> Ethylbenzene 30 ppb ND 30 30 ug/kg 100% 100% 0% <br /> Xylenes 30 ppb ND 30 30 ug/kg 100% 100% 0% <br /> Surrogate % Recovery of Trifiuorotoluene = 97% I_C [^_,0`;/a LCgD <br /> ' ppb _ parts pet billion = uglkg v micrograms per k4ogram <br /> Ppm. Parts per million ugig = microgrants per grain <br /> ND + No Detected r'ampounolsl ma/be aresent at concentrations below the deteLuor>Iunn <br /> R L James Principal Chemist Date Reported <br /> ' SPnRGER TECHNO GGY,(—LYTICAL LAEORHTOAr 11 f IS LCH'IFIED aY Tf{F STATE OF CAL PORN1A <br /> DEPARTMENT OF HEALT4 SERlICES AS A-IAZARDOl15 WAa TE TESIMU LASORATORY <br /> (Cr tuf— on No 6i41 <br /> ' ,305Q F1,e Circle Suite 112 • Sacramento C:olifornia 95827 ® (946) 362-3947 FAX (946) 362-0947 <br />