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•. SpaC C Analytical Laboratory Wsion <br /> Mobile Laboratory ment fic Wslon <br /> With ALiformotion in Mind <br /> 8020 Modified Laboratory Control Spike (LCS) & <br /> Laboratory Control Spike Duplicate (LCSD) BTEX Analysis Report <br /> Attention Mr Ray Henry Date Sampled Feb 10, 1995 <br /> RAH Environmental, Inc Date Received Feb 11, 1995 <br /> 3310 Swetzer Road Date Analyzed Feb 15, 1995 <br /> Loomis, CA 95650 <br /> Project ID 7952 Protect Name Tri-Valley Growers <br /> Client ID LCS/LCSD LAB ID ST95-02-015 LCS <br /> ST95-02-015 LCSD <br /> Matrix Soil Dilution <br /> Conc Sample LCS LCSD LCS % LCSD % % RPD <br /> Name Spike Added Result Result Result Units Recovery Recovery Recovery <br /> Benzene 30 ppb ND 31 31 ug/kg 103% 103% 0% <br /> Toluene 30 ppb ND 31 31 ug/kg 103% 103% 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 Trifluorotoluene = 104% LCS 100% LCSD <br /> ppb=parts per billion=uglkg=micrograms per kilogram <br /> ppm=parts per million=uglg=micrograms per pram <br /> NO a Not Detected Compound(s)may be present at concentrabons below the detection l+md <br /> Feb 21, 1995 <br /> R L .fames Principal Chemist nate 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 Coliforms 95827 • (998) 362-8947 • FAX (946) 362-0947 <br />