SITE INFORMATION AND CORRESPONDENCE

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Page 2 of 2 Importance: High Hi Margaret, I left Frank the following message regarding the inspection of the soil boring at the Former Wal-Mart Store on Hammer Lane in Stockton. The project geologist says that he does not remember requesting an inspection for the grouting of the soil boring. Therefore, I am going to assume that he never did contact Frank or the SJCEHD to request an inspection. I have informed our Regional Manager (cc'd) of this issue (who resides in the same office in Sacramento) to discuss this issue with the project geologist. In know the quality of work SECOR's Sacramento Office does would meet the SJCEHD requirements for this site in regards to grouting of the soil boring. For your information, on February 5, 2007, one soil boring was drilled by Cascade Drilling using 1.5 inch diameter direct push drilling equipment to 25 feet bgs. Upon completion, the boring was backfilled using bentonite grout, then capped with concrete. Soils encountered were clay, and no groundwater was identified during drilling. Additionally, there were no reported concentrations of any analytes. SECOR submitted a report to the SJCEHD on April 2, 2007. I am hoping that we can resolve this without having to re-drill the location, as this would have an impact the business operations at the site. I know that SJCEHD should have been contacted, and I know that the project geologist is also aware of the required inspection. It is unacceptable that the project geologist did not perform his duties as requested, by both myself and the SJCEHD. I apologize for this mishap, and will work with SECOR's Regional Manager so the project geologist will not forget to request an inspection, whether with SJCEHD or any other agency. If you wish to discuss further, please call me or have Frank call me at any time. Kelly C. Brown, PG Principal Geologist SECOR International Incorporated 714.230.0321 direct ph 714.470.6494 cell ph 12/5/2007