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-_.W-r-�.. .. - ---'--- - ---------F-- �-- ------- _- -- rte-'-` --- -_ -- -- _--=T.- .. _----_- -.!- DECEMBER 1993 BIANNUAL STATUS REPORT (CONTINUED) • Proposed continuing or next phase of investigation: Based on the results of site investigations performed to date and groundwater analytical results which indicate no significant impact to groundwater, GLI proposes a "monitor only" scenario for this facility. As discussed between GLI and EHD on June 24, 1993, O believe that no additional remediation is warranted at this time &Ib dam. ,V4 Method of cleanup proposed or implemented to date: Based on investigations conducted to date, no cleanup has been implemented or proposed. • Time schedules for the completion of the investigation of the site and remediation: Greyhound proposes to continue the groundwater monitoring and biannual sampling program through the end of 1994 at which time the data obtained will be evaluated to determine whether further action is required. • Method and location of disposal of the released hazardous substance and any contaminated soil, groundwater or surface water: No released hazardous substances or contaminated soil, groundwater, or surface water were handled at the site between June and December 1993 During the fueling system closure in May 1991, excavated soils were observed to be clean, and, consequently, placed back into the tank pit and fuel line excavations. � N • Manifest required for transport of hazardous substances: Not Applicable. • Monitoring well data: The physical data obtained during the quarterly, and biannual sampling events for all of the monitoring wells located at the facility are presented in Table 1 Figure 1 is a site map showing the monitoring well locations Figure 2 shows water levels measured in December 1993 No free-product or hydrocarbon sheen has been observed in any of the on-site monitoring wells to date. LMi,C729823 22/004 R3 2