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Site Assessment Report <br /> 1022 Frontage Road <br /> CAM B R I A Ripon, California <br /> December 16, 2005 <br /> SamplingQuarterly <br /> Well Frequency per TPHi�/STEX/M1"BE TPFid Fuel Oxygenates GroundwaterQtr, (8015i8021) (e01 ) (MOB) Groundwater <br /> 1 2 3 4 <br /> MW-1 X X X X X X X X 4N <br /> MW-2 X X X X X X X XVI @ f <br /> MW-3 X X X X X X X X <br /> fl � Mw-4 X X X X <br /> MW-5 X X X X <br /> MW 6 X X X X X X X <br /> MW-7 X X X X <br /> MW-8 X X X X X X X X <br /> MW-9 X X X X X X X X <br /> MW-10 X X X X X X X X <br /> DW 1 X X X X X X X X <br /> EW-1 X <br /> Cambria also recommends that Olympian JV take ownership of wells MW-7 and MW-8 from Ripon <br /> Farm Services and begin monitoring and sampling these wells Cambria recommends that well MW-6 <br /> remain with Ripon Farm Service until additional assessment has been completed to determine the <br /> source of TPHd in this well In addition, we recommend that Ripon Farm Services continues their <br /> quarterly monitoring and sampling well MW-6 <br /> 70 REFERENCES <br /> Helley,E J ,and Graymer,R W , 1997,Quaternary geology of Contra Costa County,and surrounding <br /> parts of Alameda, Marin, Sonoma, Solano, Sacramento, and San Joaquin Counties, California A <br /> digital database U S Geological Survey Open-File Report 97-98 <br /> Bertoldi, G L , R H Johnston, and Evenson, K D (1991) "Ground Water in the Central Valley, <br /> California - A Summary Report" Professional Paper 1401-A, US Department of the Interior, <br /> Geological Survey <br /> Grayland Environmental 1998 Underground Storage Tank Removal Report, Jimco Truck Plaza, <br /> 1022 Frontage Road, Ripon, California, September 22, 1998 <br /> • Advanced Geo Environmental,Inc , 1999 Revised Preliminary Investigation and Evaluation Report, <br /> Jimco Truck Plaza, 22502 South Highway 99, Ripon, California, December 13, 1999 <br /> 11 <br />