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d <br /> Site Investigation Work Plan <br /> Nella Oil Station #21 , 40052 Highway 41 , Oakhurst, California <br /> Upon completion of the field sampling activities , the samples will be immediately transported to Ir <br /> Torrent Air Toxics, LTD . (CA NELAP - 0211 OCA) in Folsom , California, for analysis of the TPH- iV �l <br /> G , BTEX, MtBE , DIPE , EtBE , TAME , TBA, and 1 ,2-DCA by EPA Method TO-15 and TPH-D by A� ' P}+V j <br /> EPA Method TO- 17. <br /> 3.4 Scheduling and Reporting <br /> Upon approval of this work plan , WRM will schedule the soil vapor sampling . Based on <br /> historical data and the results of the soil vapor survey and sensitive receptor survey, WRM will <br /> prepare a Corrective Action Plan (CAP) which will evaluate two to three alternative methods for <br /> site remediation . Because the results of the soil vapor survey are integral to preparation of a <br /> complete Human Health Risk Assessment (HHRA) as it assesses the important vapor intrusion <br /> pathway, WRM recommends that the HHRA be included as a section in the CAP . <br /> 7 <br />