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concentrations of bromodichloromethane, bromoform, and dibromochloromethane were measured in quality assurance/quality control blanks at several landfills during the fourth quarter 2006, and an audit by BC Laboratories indicated that the VOCs were the result of contaminated VOA containers. Given that SW-2 is a background surface water station and the recent laboratory contamination, it is unlikely that these VOCs are the result of an impact from the facility and further monitoring is necessary to evaluate the significance of these suspect VOCs. Trend analyses indicates that turbidity at surface water stations SW-1, SW-2, and SW-3 depict statistically significant increasing trends. Since turbidity exhibits a statistically significant increasing trend at background surface water stations SW-1 and SW-2, the increasing trend in turbidity at SW-3 is unlikely to be indicative of an impact from the facility. A total of 21 VOCs were detected in the samples from soil-pore gas monitoring probes during the current monitoring period,with the sample from probe SGP-7A containing the highest total concentration of measurable VOCs. In addition, methane was detected in all the soil-pore gas monitoring probes during the current monitoring period,with the highest concentration measured in probe SPG-2 (0.155 percent). However, given the fact that probes SGP-4A through 8A are separated from the landfill by the sloughs,these low level methane concentrations may be the result of decomposing organic material in the sloughs. This is the first quarterly sampling event and additional results will be obtained through the second quarter 2008 to assess the occurrence of LFG at the site. If you have any questions regarding this report,please call me at(858)451-1136. Sincerely, William B. Lop z, P , CHg Project Geologi Attachment C:\2003-021\FRENCHCAMPLTR.DOC -2- Geologic Associates