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I <br /> Mr. Kent Ramos <br /> Ramos Oil-Beneto French Camp Cardlock Facility <br /> January 11,2005 <br /> Page 2 <br /> The laboratory noted that the hydrocarbons detected in soil samples GP24, GP3-16, GP44 and GP5-5 <br /> did not exhibit typical diesel chromatograph patterns. Visual observations and PID screening results <br /> collected during the drilling did not indicate the presence of petroleum hydrocarbon contamination I <br /> Based on the laboratory analytical results, field observations, PID readings, and the sites proximity to <br /> the San Joaquin Delta, the low concentrations of hydrocarbons reported as TPH as diesel may be a <br /> result of naturally-occurring organic material in the soil. It is MBEG's opinion the results from this <br /> investigation adequately represent the current site conditions and that no further assessment is <br /> warranted at this time. Since petroleum hydrocarbons constituents were detected in the soiland <br /> j groundwater samples collected from the site, MBEG is required to submit a copy of this report to Mr. <br /> Harlan Knoll at the SJCEHD, <br /> If you have any questions regarding this matter, please do not hesitate to contact me at (916) 613- <br /> 0168. - <br /> Sincerely, <br /> I <br /> MB ENVIRONMENTAL GEOLOGY <br /> ��jr✓� ✓ �z�_ � D GFD <br /> �g p BEg9? O� <br /> Michael A. Berrington,(R.G. �C�UQO <br /> California Registered Geologist No. 7124 <br /> 0 <br /> * No.7124 Z <br /> Exp.05131 <br /> �F CAS\F� <br /> I <br /> I <br /> I <br /> l <br />