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� l <br /> MARCH 1993 <br /> QUARTERLY STATUS REPORT <br /> GREYHOUND TERMINAL <br /> STOCKTON, CALIFORNIA <br /> • Status of investigation and cleanup activities: <br /> On May 13, 1991, the entire fueling system at the facility, consisting of one <br /> 12,000-gallon diesel UST and associated piping, was removed and all fueling <br /> activities were discontinued (Appendix B, June 1992 Quarterly Status Report) <br /> A preliminary site investigation was completed by Engineenng-Science, Inc <br /> (ES) in October 1991 The Preliminary Site Investigation report was submitted <br /> to the Environmental Health Division of the San Joaquin County Department of <br /> Public Health Services (EHD) and Regional Water Quality Control Board <br /> (RWQCB) personnel on November 27, 1991 (Appendix C, June 1992 Quarterly <br /> Status Report) <br /> A groundwater monitoring program consisting of monthly observations of <br /> groundwater levels and pertinent observations of the monitoring wells, and <br /> quarterly groundwater sampling and reporting, was established by Greyhound <br /> Lines, Inc (GLI) in June 1992 The purpose of the groundwater monitoring <br /> program is to determine if groundwater has been impacted at the facility <br /> Monthly groundwater monitoring reports and the June, September, and <br /> December Quarterly Status Reports were previously submitted to the EHD and <br /> RWQCB The program was accepted by EHD in a letter dated September 29, <br /> 1992 <br /> During the week of January 18, 1993, Greyhound installed supplemental soil <br /> borings and collected soil samples to completely define the extent of <br /> contamination at this location The borings were installed in accordance with <br /> the Work Plan dated October 28, 1992 and approved in a telephone discussion <br /> between Mr Michael Infurna of EHD and David Nickerson of ES on <br /> December 8, 1992 Results of the supplemental soil boring program will be <br /> submitted to EHD and RWQCB in a Supplemental Site Assessment report no <br /> later than April 30, 1993 <br /> • Proposed continuing or next phase of investigation: <br /> GLI will continue the groundwater monitoring and reporting program through <br /> June 1993 to further assess groundwater impact at the site <br /> After EHD review of the Supplemental Site Assessment report findings, GLI <br /> will address residual soil contamination by preparing a soil remediation plan <br /> (SRP) an which a soil remediation technology will be proposed The technology <br /> LM1JSY360 22/0021 REV 3 <br /> 1 <br />