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JUNE 1996 <br /> QUARTERLY STATUS REPORT (CONTINUED) <br /> Figure 3 is a site plan that presents the analytical results from the groundwater samples <br /> collected on June 4, 1996 A "zero" line for groundwater contamination was not included <br /> in the figure because BTEX parameters and TPH-D were not detected in any of the <br /> samples and TPH-D has only been detected intermittently <br /> Figure 4 is a site plan that presents a summary of the analytical results from all the soil <br /> samples collected from the site A TPH-D "zero" line and 10-ppm line are indicated in the <br /> figure <br /> Estimates of the quantity of contamination remaining in soil and groundwater, and <br /> time for completing remediation <br /> Based on the results of the second supplemental site assessment, approximately 61000 `r <br /> cubic yards of soil containing detectable concentrations of TPH-D are estimated to remain <br /> beneath the site <br /> Method of cleanup proposed or implemented to date <br /> Greyhound will implement the recently approved "Offsite Assessment and Feasibility <br /> Study" work plan, dated September 1995 A feasibility study report in which a minimum <br /> of two viable soil cleanup alternatives are evaluated will be submitted <br /> • Times and dates equipment was not operating, cause of shutdown, and a corrective <br /> action plan to ensure similar shutdowns do not reoccur <br /> Not Applicable <br /> Time schedules for completion of the site investigation and remediation <br /> Greyhound is currently securing the permits required to install an off-site monitoring well <br /> during the offsite assessment <br /> • Method of disposal and disposal location of released hazardous substances and any <br /> contaminated soil, groundwater, or surface water <br /> During the June 1996 site visit, groundwater generated while purging the onsite <br /> monitoring wells during previous sampling events was discharged to the sanitary sewer <br /> following receipt of approval from Mr Morris L Allen of the City of Stockton <br /> Department of Municipal Utilities <br /> PARESSYROINOL1 WP17288781089691089691-01 WW6 <br /> 3 <br />