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A M BRI A <br /> presented in Gregg's CPT Site Investigation Report <br /> (Appendix C) <br /> Soil Classification• Soil types encountered during drilling consisted predominantly <br /> of clay, clayey silt, clayey sandy silt, silt, and sandy silt with <br /> lesser amounts of sand, gravelly sand, cemented sand, and stiff <br /> fine grain to the total depth explored of 100 fbg Soil types are <br /> recorded on the CPT electronic logs and the HSA boring logs <br /> Chemical Analyses Groundwater samples from borings SB-5 through SB-9 were <br /> analyzed for total petroleum hydrocarbons as gasoline (TPHg), <br /> benzene, toluene, ethylbenzene, and xylenes (BTEX), methyl <br /> tertiary butyl ether (MTBE), tertiary butyl alcohol (TBA) and <br /> 1,2-dichloroethane (1,2-DCA) by EPA Method 8260B <br /> Groundwater samples from the wells MW-1 through MW-5 <br /> were analyzed for TPHg, BTEX, fuel oxygenates (MTBE, TBA <br /> • di-isopropyl ether, tertiary amyl methyl ether, ethyl tertiary butyl <br /> ether, ethanol, and methanol) and lead scavengers (1,2-DCA and <br /> 1,2-dibromoethane)by EPA Method 8260B <br /> Groundwater samples from the wells MW-6 through MW-9 <br /> were analyzed for TPHg, BTEX, MTBE, TBA, and 1,2-DCA by <br /> EPA Method 8260B <br /> Soil samples from borings MW-6 through MW-9 were analyzed <br /> for 1,2-DCA <br /> Soil Disposal Soil generated during field activities was temporarily stored <br /> onsite, on and covered with plastic sheeting The soil stockpile <br /> was sampled and profiled for disposal On January 21, 2005, <br /> Manley and Sons Trucking, Inc of Sacramento, California <br /> transported the soil (7 10 tons) to Allied Waste Industries' <br /> Forward Landfill in Manteca, California for disposal <br /> (Appendix D) <br /> 1511 3 <br />