ARCHIVED REPORTS XR0000624 - Laserfiche WebLink

Home Browse Search

QUARTERLY STATUS REPORT (CONTINUED) • Method and location of disposal of the released hazardous substance and any contaminated soil, groundwater or surface water; During the fueling system closure activities in May of 1991, excavated soils ' were observed to be clean Therefore, the soil was placed back into the tank pit and fuel line excavations (Triple J Construction, 1992) ' Manifest required for transport of hazardous substances; Not Applicable • Monitoring well data; The physical data for all of the monitoring wells located at the facility can be found 1n the monitonng well data summary (Table 1) A site map showing the monitoring well locations is included as Figure 1 No free-product or ' hydrocarbon sheen has ever been detected in any of the on-site monitoring wells • Analytical results of groundwater or soil sampling; I Results of the first sampling event on June 29, 1992 are summarized in Table 2 Both BTEX and TPH-D concentrations were below the method detection limits in all of the groundwater samples collected • A site map showing the "zero line" of contamination, and changes in analyses and gradient measurements over the last quarter; ' No "zero line" for groundwater contamination for this facility is shown since the presence of BTEX or TPH-D contamination was not detected The area of ' soil contamination appears to be limited, with constituents detected at MW-2, MW-3 and B-1 only 1 Tabulated data for all monitoring wells including groundwater elevations collected to date; ' The physical data for all of the monitoring wells located at the facility can be found in the monitoring well data summary (Table 1) This summary table includes all groundwater elevations collected to date A program was initiated ' in June 1992 in which the groundwater elevations will be measured on a monthly basis i LMLISY132 3110179 REV 3 2