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M <br /> S <br /> tiyE155 ASSOCIATES <br /> Jul'-an t4unoz 8 <br /> March 30, 1988 <br /> reaper than 10 ppm 'fi'H from the sides <br /> adjacent to the conc-•eto slab .,ttd <br /> --� 3) gxca�ate all soil containing g aloe with <br /> and floor of the excavation J E <br /> stockpile the soil at the rear of the Safeway facility, <br /> the ea gravel already removed from the excavation, gar aexation =tris a <br /> F <br /> spring• <br /> sail samples from the sides <br /> and bottom of the Linal <br /> (,) Collect FID to confirm that <br /> excavation and analyze the samples <br /> 1QhCppm.GC/Otte sample will be <br /> Boil contains less Che <br /> remaining section of exposed wall of <br /> collected Per 15-ft_by-15-ft <br /> excavation- <br /> Backfill �:� excavation with clean sand or pea gravel. and cover the <br /> 5) B t_ _ <br /> backfilled ecavation with impermeable asphalt or concre e• <br /> ram with sampling frequency <br /> 6) Inst'tute a ground watex monitoring program <br /> determined by the results of the previous sampling! . <br /> r <br /> additional work ar the situ depends upon <br /> roach to any a work plan for any additional <br /> Since our <br /> approach we will. prepare <br /> r <br /> =whether the slab is removed, ional Water Quality Control Board <br /> work after the SJI.HD and the California <br /> aluated this report. <br /> Central Vallcy Region (RWQCS) <br /> aave i <br /> I <br />