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' JJW GEOSCIENCES - Project#8013 <br /> Valley Showcase/Stockton, California <br />' TEG PROJECT#90913CA <br />' BTEX EPA 8020 & TPH EPA mod8015 ANALYSES OF SOILS <br /> SAMPLE DATE DATE C5-C11 BENZENE TOLUENE ETHYLBNZ XYLENES <br /> NUMBER SAMPLED ANALYZED mg/kg mg/kg mg/kg mg/kg mg/kg <br /> BLANK 9113/99 nd nd nd nd nd <br /> ' MW-5-1 9/3/99 9/13/99 nd 0.030 0.023 0.032 0.066 <br /> MW-5-2 9/3199 913/99 14 0.37 nd* 0.14 1.1 <br /> MW-5-3 913199 9/13199 1300 4.1 1.2 8.4 31 <br /> ' MW-5-4 913199 913199 rid 0.010 0.047 0.042 0.30 <br /> REPORTING LIMITS 1.0 0.005 0.005 0.005 0.005 <br /> nd' INDICATES NOT DETECTED AT LISTED REPORTING LIMITS. <br /> 'C5-C11' INDICATES GASOLINE RANGE. <br /> ' Reporting Limit =0.10 mg/kg due to dilution. <br /> ' QA/QC DATA - LCS/LCSD - SOIL <br /> DATE GASOLINE BENZENE TOLUENE ETHYLBNZ XYLENES <br /> ANALYZED mg/kg mg/kg mg/kg mg/kg mg/kg <br /> Spiked Conc. 9113199 20.0 0.0100 0.0100 0.0100 0.0300 <br /> ' Measured Conc. 19.7 0.0093 0.0094 0.0100 0.0321 <br /> % Recovery 98.5% 93.0% 94.0% 100.0% 107.0% <br /> ' Spiked Conc. 9113199 20.0 0.0100 0.0100 0.0100 0.0300 <br /> Measured Conc. 17.9 0.0105 0.0108 0.0107 0.0327 <br /> %Recovery 89.5% 105.0% 108.0% 107.0% 109.0% <br /> ' RPD - 9.6% - 12.1% 13.9% 8.8% 1.9% <br /> ACCEPTABLE RPD LIMIT= 15% <br /> ANALYSES PERFORMED IN TEG's DHS CERTIFIED LAB <br /> ANALYSES PERFORMED BY, Mr. Leif Jonsson <br /> DATA REVIEWED BY. Mr. Henry Wilkinson <br /> ' 11350 Monier Paris Place, Rancho Cordova, CA 95742 Phone: (916) 853-8010 Fax: (918) 853-8020 <br />