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Ir Yi n 1 ! n S <br /> ,Yl <br /> f <br /> esented by Mittelhauser in the report entitled Monitoring Well MW-3A­ <br />)rt dated December 3, 1993 (Appendix By <br /> e <br /> Fhe content and <br /> NCLUSIONS u on information <br /> ad to, visual site <br /> the etroleum h drocarbon'affected soil above tK water"tdble in the`-- -- -hl_ -- <br /> p y other pertinent <br /> rmer gasoline of d-waste`oil`USTs;and-the-oil-drum-storage-area;was 9xpl67ati5n and <br /> the over-excavation program following the removai of the dasoiirie w== M-' A _ - <br /> -5tonal judgment <br /> or levels of residual petroleum hydrocarbons in the unsaturated soil )current Any <br /> —a threat-to-theµ-envir6nment - -Unocal- formally-petitions--the -San -- - — :)nsidered to be - - -- <br /> 4 <br /> Health Department for no further action on sods at this site itions may vary <br /> 3neral site as a <br /> L <br />,cted soil up to 3 feet below the' water table was removed and 1 ,320 ' , /ary from these <br /> aminated groundwater were pumped out of the UST excavation_> _ invalidate the <br /> urrent level and extent of residual hydrocarbons below the water table <br /> adsorbed to the soil) appears to-be- relatively small and are- not - <br /> reat due to potential migration to offsite locations - r y of the owner, <br /> brought to the <br /> l <br /> COMMENDATIONS__ <br /> results of the confirmation soil samples obtained from the site , <br /> Ts, product lines, pump islands, and hoists), it is recommended that <br /> Nidered-for-no-further-action-and-closure-wth-respect to-the-soil-above practices using <br /> In addition, it is recommended that no further action be taken with onsulting firms <br /> ual hydrocarbons in the soil and that monitoring and sampling of the :)nsible ,far the <br /> nitorrng wells should continue on a quarterly basis during 1994 jais or entities <br /> 994 monitoring and sampling, the site groundwater conditions should ldgment based <br /> to determine the need for continued monitoring and sampling n of such data <br /> cess or implied, <br /> /Mittelhauser ethauser <br /> 8 C 0 R P 0 R • 7 I O I P 0 4 1 T 1 0 N <br />