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K1 lt JUNE 1995 QUARTERLY STATUS REPORT (CONTINUED) Table 4 presents a summary of the analytical results from all previous soil sampling events • Site map delineating contamination contours for groundwater and soil based on recent data Figure 3 is a site plan that presents the analytical results from the groundwater samples collected on June 8, 1995 A "zero" line for groundwater contamination was not included in the figure because BTEX and TPH-D parameters were not detected in any of the samples Figure 4 is a site plan that presents a summary of the analytical results from all the soil samples collected from the site A TPH-D "zero" line and 10-ppm line are indicated in the figure • Estimates of the quantity of contamination remaining in soil and groundwater, and time for completing remediation Based on the results of the second supplemental site assessment, approximately 6,000 cubic yards of soil containing detectable concentrations of TPH-D are estimated to remain beneath the site • Method of cleanup proposed or implemented to date No cleanup has been proposed or implemented • Times and dates equipment was not operating, cause of shutdown, and a corrective action plan to ensure similar shutdowns do not reoccur Not Applicable • Time schedules for completion of the site investigation and remediation Greyhound is preparing a work plan and securing the permits required to install an off- site monitoring well in order to fully define the extent of groundwater contamination The work plan originally proposed to be submitted by June 30, 1995 will be submitted to PHS-EHD shortly Greyhound anticipates that a feasibility report will be prepared after analytical results from samples obtained from the off-site monitoring well have been assessed In accordance with California Code of Regulations, Title 23, Section 2725, at least two PARESSYROINCIL1 WP17272I1108969108969LO3 DOC 3