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• 14 August 2001 <br /> AGE-NC Project No 98-0511 <br /> Page 4 of 7 <br /> Ground water samples will be analyzed by a State of California DHS-certified laboratory for the <br /> following constituents <br /> • TPH-g by EPA Method 8015M, and <br /> • BTEX and fuel addihvies including DIPE,ETBE,MTBE,TAME,TBA,EDB and 1,2-DCA <br /> by EPA Method 8260B <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 5 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 the results of the sampling and the laboratory analyses In addition, the report will <br /> Include a ground water elevation contour map,maps and cross-sections showing the horizontal and <br /> vertical distribution of petroleum hydrocarbon impacted soil and ground water and, if possible, the <br /> estimated volume of the contaminant plume and mass of the contaminants Also, conclusions and <br /> applicable recommendations will be included in the report Additionally, following each quarterly <br /> ground water monitoring event, a quarterly report will be prepared presenting the findings of the <br /> monitoring event The reports will be in a format acceptable to the EHD and the RWQCB, and will <br /> be reviewed and signed by a California Registered Geologist <br /> 4.0. FIELD PROCEDURES <br /> All field procedures will be overseen by an AGE representative under the supervision of a California <br /> Registered Geologist Procedures for the soil sampling, monitoring well installation, well <br /> development, ground water sampling, soil sampling, equipment decontamination and sample <br /> shipment are outlined below <br /> 41 SOIL SAMPLING PROCEDURES <br /> The pilot boring will be advanced using hollow-stem auger drilling techniques The pilot boring will <br /> be sampled at five-foot intervals from approximately five feet bgs to the total depth of the boring <br /> Relatively undisturbed soil samples will be collected In the boring by using a California modified <br /> Advanced GeoEnvironmental,Inc <br />