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03 July 1998 <br /> AGE-NC.ProjectNo. 98-0438 <br /> Page 3 of 5 <br /> water after washing with a solution of Aiconox. All auger stems will be steam cleaned priorto <br /> advancement in each boring. <br /> 3.3. LABORATORY ANALYSIS <br /> Three selected soilfromthe soil boring and the one ground water sample collected from the <br /> monitoring well will be analyzed in accordance with: <br /> • EPA Method 8015m for total petroleum hydrocarbons quantified as.gasoline(TPH-g), <br /> • EPA Method,8020 for volatile aromatics (benzene, toluene,.ethylbenzene and xylenes: <br /> BTE&X), and <br /> • EPA Method 8260 and 8260m for volatile organic compounds, methyl-tertiarybutyl ether <br /> (MTBE),.tertiary butyl alcohol (TBA), di-isopropyl ether(DIPS), ethyl tertiary butyl ether <br /> (ETBE) and tertiary amyl methyl ether(TAME). <br /> r Laboratory reports of both soil and ground water analyses, testing methods, laboratory quality <br /> `i✓ assurance/quality control (QA/QC) reports and sample chain-of-custody documentation will be <br /> presented in a report with the findings and recommendations. <br /> 4.0. PROCEDURES <br /> 4.1. INSTALLATION OF SOIL BORINGS AND THE GROUND`WATER MONITORING <br /> WELL <br /> The following procedures will be performed for the installation of a soil boring and the ground water <br /> monitoring well: <br /> 1. Notify the PHS-EHD 48 hours prior to commencement of any work,while securing proper <br /> city/county soil boring permits. ` <br /> 2. Mark boring locations at least 48 hours in advance for an Underground Service Alert(USA) <br /> check of underground utilities or pipes. <br /> 3. Advance a soil boring to a depth of 55 feet bsg using a truck-mounted drill rig equipped with <br /> 8.25-inch diameter hollow stem augers. <br /> 4. Decontaminate all sampling equipment in an alconox solution and rinse twice with water <br /> prior to each sampling run. Steam-clean auger flights before advancement of each boring. <br /> Advanced GeoEnvironmental, Inc. <br />