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Workplan for a Limited Subsurface Site Investigation <br /> Moore Petroleum, 5491 F Street,Banta, California <br /> Page 5 <br /> Analysis Performed: <br /> Analysis Abbreviation Designation USEPA Method No. <br /> Total Petroleum Hydrocarbons TPHg <br /> as Gasoline <br /> Total Petroleum Hydrocarbons TPHd Gas/Diesel- <br /> as Diesel <br /> Total Petroleum Hydrocarbons Range 8015 Modified <br /> as Kerosene Kerosene Hydrocarbons <br /> Total Petroleum Hydrocarbons TPHmo <br /> as Motor Oil <br /> Benzene <br /> Toluene Aromatic <br /> BTEX Volatile 8020 <br /> Eth (benzene <br /> Xylenes (Total) Organics <br /> Tertiary Butyl Alcohol TBA <br /> Methyl Tertiary Butyl Ether MTBE Fuel <br /> Di-isopropyl Ether DIPE Oxygenates <br /> Ethyl Tertiary Butyl Ether ETBE 8260B <br /> Tertiary Amyl Methyl Ether TAME <br /> 1,2-Dichloroethane 1,2 - DCA Lead <br /> Eth lene Dibromide EDB Scaven ers <br /> Drill cuttings from monitoring well borings will be temporarily stockpiled on site, on and under <br /> plastic sheeting, pending receipt of the analytical results. A composite soil sample from the <br /> stockpiled drill cuttings will be analyzed for the analyses listed above including total lead, EPA <br /> method 6010. The drill cuttings will be properly disposed pending receipt of analytical results. <br /> Auger decontamination, development and purge water will be temporarily stored on-site in <br /> approved Department of Transportation 55-gallon drums pending receipt of the analytical results. <br /> The water will be properly disposed pending receipt of analytical results of soil and groundwater <br /> sampling. <br /> PRELIMINARY INVESTIGATION AND EVALUATION REPORT <br /> Upon completion of monitoring wells MW-13 through MW-17, Apex will prepare a Preliminary <br /> Investigation and Evaluation Report (PIER) documenting the results of all work performed in <br /> Tasks 1 and 2. This report will be prepared according to the Appendix A —Reports, Tri-Regional <br /> Board Staff Recommendations for Preliminary Investigation and Evaluation of Underground <br /> Tank Sites. <br /> HEALTH AND SAFETY PLAN <br /> A Health and Safety Plan for this site work is included as Appendix C. <br />