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02 August 2000 <br /> AGE-NC Project No. 00-0728 <br /> Page 4 of 6 <br /> • Volatile aromatic compounds(benzene,toluene,ethyl-benzene and total xylene:BTEX),and <br /> methyl tertiary butyl ether(MTBE)by EPA Method 8020 and; <br /> • Fuel oxygenates including methyl tertiary-butyl ether(MTBE),tertiary-butyl alcohol(TBA), <br /> di-isopropyl ether(DIPE), ethyl tertiary-butyl ether(ETBE) and tertiary-amyl methyl ether <br /> (TAME)by EPA Method 8260. <br /> Laboratory reports for soil analyses, testing methods, laboratory quality assurance/quality control <br /> (QA/QC) reports, and sample chain of custody documentation will be presented in a report with <br /> findings and recommendations. <br /> 3.3. GRAB GROUND WATER SAMPLE COLLECTION AND ANALYSIS <br /> Grab ground water samples will be collected if ground water is encountered during the boring <br /> process using a Geoprobe water sampling assembly. Samples will be collected into 40-m1 volatile <br /> organic analysis(VOA)vials and into 1-liter amber bottles as appropriate for the required analyses. <br /> Ground water sample collection procedures are presented in Section 4.3. Ground water samples will <br /> be analyzed by a DHS-certified laboratory for: <br /> • TPH-g and TPH-d by EPA Method 8015M/3550; <br /> • BTEX and MTBE by EPA Method 8020 and <br /> • Fuel oxygenates including MTBE, TBA, DIPE, ETBE, and TAME by EPA method 8260. <br /> Laboratory reports for ground water analyses,testing methods, laboratory quality assurance/quality <br /> control(QA/QC)reports, and sample chain of custody documentation will be presented in a report <br /> with the findings and recommendations. <br /> 3.4. REPORT PREPARATION <br /> Upon completion of field work and receipt of final laboratory analysis, a report will be prepared <br /> presenting the findings of the investigation. The report will include a description of the work <br /> performed and results of the sampling and analysis.Conclusions,applicable recommendations,maps <br /> and cross-sections will be included in the report. The report will be in a format acceptable to the <br /> PHS-EHD and the CVRWQCB, and will be reviewed and signed by a California Registered <br /> Geologist. <br /> Advanced GeoEnvironmental,Inc. <br />