SITE INFORMATION AND CORRESPONDENCE

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page 2, 1207 Aurora Street The Quarterly Monitoring Report documented the results of the quarterly groundwater monitoring and sampling event that took place on June 14, 2001. Analytical results were consistent with historical trends in wells MWA through MW-8. Results from the new wells indicate that the lateral extent of the shallow contaminant plume has been fairly well defined, but that the vertical extent of the plume and the lateral extent at depth have not been completely defined. The bulk of the soil contamination remaining at this site is located in the areas of the former UST's to a depth of about 65-feet bsg. PHS/EHD agrees that the lateral extent of the shallow contaminant plume has been fairly well defined. The vertical extent of the plume may not be completely defined. The contaminant levels in the well screened at 130-feet bsg are similar to those in the wells screened at 110-feet bsg. Continued quarterly sampling will determine if further definition of the vertical extent of the plume will be required. PHSIEHD directs you to conduct a feasibility study to evaluate alternatives for remediation of the documented contamination at this site. The study must evaluate a minimum of two alternatives for their cost effectiveness and their ability to mitigate the contamination. The feasibility study must be completed prior to preparation of a Corrective Action Plan for the site. A work plan for feasibility testing is due to PHSIEHD by January 21, 2002. On November 20, 2001 a meeting was held at the PHSIEHD office to discuss with you the chronic problems you have with meeting regulatory deadlines. This meeting was scheduled after repeated requests by PHSIEHD for the above referenced reports to be submitted. As the responsible party you were expected to attend the meeting, but did not do so. Present at the meeting were Mr. Pieter Crosby, of PC Toxics, and Ms. Margaret Lagorio and Ms. Lori Duncan of PHSIEHD. in a phone conversation later that day it was discussed with you that as the responsible party you are the person responsible for the timely completion of work and submittal of reports, not your consultant, and that you are the one who will bear the consequences if your eligibility to the Clean- up Fund is lost because of non-compliance with regulatory directives. As has been stated to you previously, failure to submit another report within 60-days following the completion of any site fieldwork, or to submit a requested work plan by the due date will result in the referral of this site to the Regional Water Quality Control Board, Central Valley Region, for enforcement action. If you have any questions or comments please call Lori Duncan at(209)468-0337. Donna Heran, REHS, Director Environmental Health Division (CIA Q Lori Duncan, Senior REHS Margaret La orlo, Supervising REHS LOP/Site Mitigation Unit IV LOP/Site Mitigation Unit IV cc: Marty Hartzell, CVRWQCB Mark Jerpbak, JJW Geosciences