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1 <br /> INTRODUCTION <br /> r <br /> On behalf of Mr Bachitar Singh, property owner for the Jahant Food and Fuel site, Ramage <br /> Environmental has prepared this Groundwater Mon►tonng Report Second Quarter 2001 for <br /> submittal to the San Joaquin County Public Health Services Environmental Health Division <br /> (PHS/EHD) and the Central Valley Regional Water Quality Control Board (RWQCB) The scope <br /> of work was completed according to Ramage Environmental's Work Plan, Mon►tonng Well <br /> Installations, dated May 2, 2000 On May 19, 2000, PHS/EHD approved the work plan <br /> 11 <br /> Site Location and Description <br /> The subject property is located at 24323 North Highway 99 in the town of Acampo in northern San <br /> Joaquin County, California (Figure 1) The property is situated immediately west of Highway 99 <br /> Land immediately north of the Jahant Road exit ramp It is an active gasoline and diesel fuel <br /> service station and mini-market (Figure 2) An operating domestic well is located approximately <br /> 100 feet northwest of the former USTs (Figure 2) <br /> 1.2 Previous Work <br /> 1 2 1 Removal of UST System, Soil Sampling, and Over-excavation <br />' On January 22, 1998, under PHS/EHD observation, L&M Construction removed three <br /> underground storage tanks (UST) at the site The removed USTs included two 10,000-gallon and <br />' one 6,000-gallon unleaded gasoline steel tanks According to the PHSIEHD inspection notes, <br /> each of the USTs was in poor condition, but without noticeable holes The UST excavation was <br />' extended to the north to include the southern dispensers on both dispenser islands The northern <br /> ends of both islands did not include dispensers A total of eight soil samples were collected from <br /> the excavation Two soil samples were collected from beneath each of the three USTs and one <br /> soil sample was collected from each of the former dispensers All eight of the soil samples were <br /> analyzed for Total Petroleum Hydrocarbons (TPH)-as-gasoline and benzene, toluene, <br /> ethylbenzene, xylenes (BTEX) by Modified EPA Method 802018015, for the oxygenate additive <br /> compounds methyl tertiary butyl ether(MTBE), di-isopropyl ether (DIPS), ethyl tertiary butyl ether <br /> (ETBE), tertiary amyl methyl ether(TAME) and tertiary butanol (TBA) by EPA Method 8260, and <br /> ffor total lead by EPA Method 6010 <br /> 3 <br />